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(Booklet No. -, , ), , JE L E T - 2015, (FOR DIPLOMA HOLDERS IN ENGG.. I TECH.), Full Marks : 100, , Time : 2 hours, , I., , This question paper contains all objective questions., , 2., , Questions, , be, , answered, , on, , Objective, , Response, , Sheet, , (ORS), , by, , darkening the, , AM, , must, , appropriate bubble (marked A, B, C, D) against the question number on the respective, right hand columns. Each question has only one correct I best answer., 3., , All ORS will beprocessed by electronic means. Hence, invalidation of Answer Sheet due, , EX, , to folding or putting stray marks on it or any damage to the Answer Sheet (especially the, BARCODE) as well as incomplete I incorrect filling of the Answer Sheet will be the sole, responsibility of the candidate., Incorrect answers. will, wrong answer., , 5., , carry NEGATIVE, , marks., , 1/4, , Each correct answer will 'be awarded, , Answers without any response will, , mark will be deducted, , for each, , I mark., , H, , 4., , be awarded zero mark. Wrong response or more than, , C, , one response will be treated as incorrect answer and negative marks will be awarded for, , 6., , Write your Roll Number and Question Booklet number.at the specified locations of the, ORS., , 7., , Use only Black/Blue Ball Point Pen to mark the answers by complete filling up of the, -respective bubbles., Mobile, , phones,, , facilities, , Calculators,, , of Calculator,, , SY, , 8., , TE, A, , the same., , Slide, , Charts,, , Rules,, , Graph, , •, Log, , sheets, , or, , Tables, any, , and, , other, , Electronic, form, , Watches, , of Tables, , are, , with, NOT, , allowed in the examination hall. Possession of such devices during the examinations may, lead to cancellation of the paper besides seizing of the same., Mark the answers only in the space provided. Please do not make any stray mark on the, , EA, , 9., , ORS., , 10., , Rough work can be done on the question paper itself. Additional blankpages are given, at the end of the question paper for rough work., , 11., , This question paper contains 32 printed pages .including pages for rough work. Please, cheek all pages and report, if there, , }, , 12., , is any discrepancy., , Please hand over the OR� to the Invigilator before leaving the Examination Hall., , [ 1 ]

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'), , JELET -, , ENGINEERING I TECHNOLOGY, Each, , Question, , Carries, , l, , If the, , 8-, , Mark, , functions, , v" + ay'.+, Full, Time, , :, , 2, , Marks, , :, , and �. o-3x, , J, , then-, , by= 0, , form fundamental solutions, , -, , ·, , ·',, , (Question, , Nos, , 1 - 7 0, , for, , all, , . ., , candidates), , 9., , 'l'lie, , 3, b = 0 ' ., , solution, , \../y(O) = l, ', , ., , (B) a = 0, b = 3 ., , (A), , ., , ,, , . ., , (A) ab = 0, ba, , =0, , (B) ab = 0, ba, , *, , O, , (D) ab ;c 0, ba ;c O, , (CJ ab ;c 0, ba "" 0, , ,, ·, , The equations- ·, , ·, , +, , 6.z =, , 4·, , Sx, , +, , 7y -· 14z = I, , 3x, , +, , ,i;,, , 2y -., , , ., , =o, , infinite· number of solution;, , (C), , ., , �'ie:S�)., , ., , ., , Sy, , (C), , .!�act ., , n�Jt,liilear, noii-hombgeittiou�, , ., , \]ieri.:.C:.,, , . ., , ., , .., , H, ., , b2., . c2, , (A), , (a - b)(b - c)(a � c), , (B) (b - a)(c - .b)(c - a), , (CJ, , ( a-. b)(b:... c)(c - a), , (D) a2 + b2 + c2 -. abc, , l, , ;1 1.", ., , 1, , _ A=, , be, , [, , ·z, , n, , t, h, e, , 1, , ·, , ·--../X, , ·, , x, , n, , identity, , matrix, , ..rx], , and, , ,' ., , J,., , AT, , be, , the· transpose, , . · ., , for.what value of, , ., , ·1·3·, , of �atrix, , '., , A., , Given, , ., , =, , ., , f, , _(Ii.)., , ., , ., , X among the following; AAT, , x, , ., , . · . (C) 3, , . LThe value.of xforwhich the vectors a(2, - 1,, , ., , · ., , The rank of the 'matrix, ., , >, , (!, , ., , 1, I, , 2, , (A)l, , -, , (B, ), , ; J i s- ' ·, , 4, , ., , EA, , 6:, , (C)-, I, , (B) 2-, , (A) .I, , ,, , ,, , ·, , ,, , -., , ., , ., , ·, , v" +, , ·, , ., , ·, , ay' + by = 0 where a and b ate, , ., , f, , ., , ., , _ai: ; l f.., , ., , y =, , -, , (Syn'-, , .. ., , dy:, , ., , f(, ,, ., , : .., , · . x,, , . ., , ( C ) a = 4 , b = S, , ¥,, , and, , �f, uy, , D, X, , ( D ) a = - 4 , b ,= - 5, , are both homogeneous, , -., , 0, . th., , ), , y, , :=., , dy, , ·, , en._dx, , -, , ., , equal to-, , IS, , . :., , f., (D) -, , ! .., , .. •, , (D) n + 1, , (C) n2, , I, , t, , •,, , (B), , "', ., , ,fy, , ' . i, , (C)-, , /., , ., , x, , x ' . '', , ., , •, , Xi �, , · ...•.>, , ..., , •·, , •, , f(x;), , ',·, , = ·, , ·.�., , l, , .3-, , f., , · 2, , f,, fy, , •, , ,• :3., '.· · 4, , ll', , l8, , '27, , 0, 0, , ·, , Th�, , i'dM of.the furi6ti�n f(x) is.:::, , ., , +. i, , (A) �2 :t -�, , (D)-4, , ., , ., , ., , ., , _1 S., , . ., ., , ·, -., , {DJ cannot be determined, , i'6., , ., , ., , <., , ·-, , . .:, , ., , 2 -i- 2:..C, , :(BJ, , · , : ;.., , +, , x', , ', , ., , ", , ., , ·, ., , ., , ..., , ·, :., , ._, , 0.5;3, , 3, 1', , ., •, , of x3, , ., , ti'!'\_, , (B) 0.785, , lM!ting with Xo = 3, the root, , ;,_2.:, , (C), , (DJ x2 + zx - 3, , x -i- 1, , . ., , The :�pproxiinatll _��lu� of the. intesnir, , : • (A), , (C) 3, , i, , l(ex _ 2e"SX), , 14.· f(x.) is known by thefollowing .data points, , •, , I); b(l, 2, - 3 ) and.c(3,)., S) are coplanar, , 1 5- ., , ·, , (D)4, , ', , = : o i1 ', , 12�, , SY, , {B) 2, , ilf, , ', , et, , •, , (A) l, , (DJ, , .., , ,, , ., , :'f'., , .·.L·.·, , _: ·, , ., , 0, , _4 ., , ., , 4y)dy = 0 is-, , .., ., , . . ··(Bi.a='-4,b=S, , in x, y of degree-> '. ., , fufictiob, , ' (A) n, , C, , c, , is-, , TE, A, , I, , ., , 0, , a, , b, , 3, , condition ·, , �xa.ct., , and, , •, , -, , 12>lf f(�. y)·js il,homogeneous function of degree Ji, then, , The. value of'the determinant, , the, , 2, , ·+ 6Ji.)dx -+; (�xye"Y, , i, , a2·, 1, , with, , 2, , 2, , ex</, , iiomoge�e�us and, , ' ( A ) li '.". ; � , _ b = - 5, , ., , along, , 2, , If e<2; �-iJx_ is:a_:sollltiolj 'of )lieii(iffere�tial' equation, , I) number of solution sets, , = · 2eX,, , l(ex + 2e-Sx), , ., , (D).nim-lipear, non-homogeneous rujd:ine��t, , ., , ., , ., , 2, , . . ' real,, , . (DJ finite (>, , ., , differential equation. (y, , ![near;, , {CJ, , have(A) unique solution. set, , (B)° t<ex, , ·', , -., , . 11., , ., , ., , ., , ··, , (BJ no solution ·, , ·, , (D) a = O, b = -, , ., , (B) noii·linear; )lomoieneous ru,d, �x�ct, , (AJ, , ., , y' . +, , =o, , ·, , EX, , 2x - 3y, , ,, , equation, , diff�rential, , fcex + .2e�S•), , The, , 1_0., , (C) a = - 3, b, , ., , ., ', , 1�]then-, , the, , AM, , � l b = [ �, , of, , iS-:, , . ., , ., , I . I f a = g, , equation., , ·, , 100, , .Part-A, , 3., , of the differential, , ·, , hours, , (A) a =, , 2., , 3, , 2015 ·, , ., , :, , ., , .using Simpson's, , (C) 0.694, �, , ., , t, , rule is-, , (D) 0.893, , 3x :.. S = O,. correct to three decimal places, after, , one iiiteration of Newton-Raphsoil method is-, , 3, 0, , ., , 7., , lfw}=, , l an d I + w + w, , 2, , = � t h e n th e v a l u e o f th e d t e nn in an t [�:, , ., (A), , w, I, , -, , ., , (B) w, , ·, , (C) 3, , �, , w, (D) w2, , ., , :, , - ., , 17., , (.0.), , The, , 2A583, , ., , . ., , (B) 2.2943 ., , ., , (C) 2.2791, , probability that at leastone ofE and F occurs.is, , (D) 2.2782, , 0.6. IfE and F occur simultaneously, , with probability 0.3, then P(E') + P(F') is(A) 0.9, , (B), , LIS, , (C), , I.I, , [ 2], , http://easyteachexam.com/, , (D), , 1.2

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4, , JELET- 2015, , 18., , 5, , JELET - 2015, , There ae m persons sitting in a row. Two of them are selected at random. The probability, , void main(void), , that the two selected persons are not seated in consecutive positions is-, , int x = 1, , {, , ;, , •, , (A), , m -2, , m, , -, , (B), , m(m, , m - 2, , 1, , -, , switch(x), , I}, m -1, , (D), , (m + l)(m + 2), , (C), , m, , {case, , I, , :, , m, , printf(" 1 ") ;, 19., , The algebraic sum of.the deviations of a set of n values from their arithmetic mean is-default ;, , (A) 0, 20., , (C} ·J, , (b) n, , (D), , ..fn, , printf("*") ;, , The .strength of 7 colleges in a city are 385 ; 1748 ; 1343 ; 1935 ; 786 ; 2874 and 2 1 0 8 ., , }, , Then the median strength is(B) 2874, , 1935, , (C}, , (D), , 1748, , 1343, , What will be the output of the following program ?, , ), (A), , 27., , What will be the ou, , #include<stdio.h>, , = =, , if (x, , ., , ut of the followingprogram ?, , { char x[ ] = "abcdefg", ;, , ;, , \, , printf ("%d, %d", size of (x), · strlen (x)) ;, , 0.1), , ), , print ("fun") ;, , I, , (A) 8, 8, , else, , (B) 7, 7, , ., , (A) *(*x + I) isequivalent to x[OJ(lJ, , (A), , char, , What, , {int, , =, , "a", , H, , (C), , declaratoin o fx,, , . (B), , #define, , x, , I, , 00, , will be the output of the following, , #include, , void, , •x, , following, , run time error, t.h':,$1atement, , � both, , program, , A, , and, , (D) compile, x�, , w i ll, , (D), , B, , neither, , ?, , stdio.h>, , <, , main(void), a, , 10 , b, , =, , =, , IO, , ;, , if (a = 5), , 24., , z, , ("%d,, , 10,, (n)?, , =, , (A), , 25., , What, , a, b++) ;, , x, , (n, , >, , j.-, , %syntax, , :, , if (!n)z, , ,!QYif, , %d",, , 11, y, , =, , error, , (C) 5,, , ; can be rewritten asy, , 0) z, , ; else, =, , x, , z, , =, , ;· else, , x ;, , z, , =, , (B) if (n, y, , ;, , will be output of the following program, , ?, , B, , =, , O)z, , the, , =, , y, , ;, , S,, , else z, , =, , (B), , else printf("NO"), , NO, , Wharwill be the outptut of, #include<stdio.h>, , ;, , 31., , 33., , thefollowing, , program, , ?, , (D), , �JJ.d B, , (D) neither A nor B, , interface the hardware 'and application p1pgrarns, , •, , Find the most appropriate statement. Hard disk is......, , 34., , (B) output device, , 1001001 lIn BCD, , In binary arithmetic, , (B) BA in HEX, , 11010 - 1101, , JOI, , (B), , (�) all .the above, , a binary number. It ts equivalent to-, , (C) Bpth A and B, , (D) Neither A nor B, , (C), , (D) none of the above, , is-, , 1011, , 1101, , Which of the following memories has the shortest access time ?-, , ()<1Cache, , Memory, , (B) RAM, , (C) Magnetic core memory, , \, , ., , �torage device, , Find the most apropriate statement. (IOI 1 1 0 1 ) is, , (A), , x ;, , .� Magnetic bubble memory, , ., , Communication circuits that transmit data in both directions but not at the same time are, operating in(A) a simplex, , \, , (C) compilation error, , A, , (Drall of the above, , (A), , }, , (C) both, , Find the rnpst appropriate description of operating systern->, , (C). ljk to, , \, ;, , (BfBUS, , (B) system service provider to the application programs ._ ., , 32., , main(void), , + l) is equivalent to x[J][O], , (D) Both A and B are correct, , (A) collection of programs that manages hardware resources, , 35., , {if .(Jwprintf("YES"), , �·YES, , 30., , 12, , above, , (D) 7, 8, , Which of the followings is a network topology?, , . (A) LAN, , (A) input device, , x ;, , void, , 26., , <, , (D) none of, , #include<stdio.h>, , int, , (D), , JI, , EA, , (A), , A nor, , · 29., , erro;, , SY, , b++, printf, , time, , fail?, , C, , which of the, , TE, A, , 23., , (B) not fun, , For, , •c•x, , (B), , (C) neither A nor B is correct, , JM"fun, , (D) 8, 7, , Consider X to be a two-dimensional array. Find the mos; appropriate statement=-, , 28., , printf ("not fun") ;, , 22., , (D) compilation error, , (C) run time error, , void main (void), , ), , {float x = 0 . 1, , I, , EX, , Void main (, , �, (, I•, , ., , AM, , (A), , - 21., , GO}, , cannot be determined, 36., , a, , full, , Which, (A), , of, , TCP, , mode, , (B), , the, , following, , a half duplex mode, , (D) an asynchronous mode, , duplex mode, is/are reliable, , (]ff IP, , communication(s), , (C), , UDP, , ?, -, , (D) all of them

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6, , JELET :- 2015, , P. ., ., , ......-:-:::""�-:--=========.,......:JE�L�p�T-��, 2, - -o_i5__...,.., 37., , Which of the followingrs) is/are application, , ocol, , prot, , ?, �, , . (C), , A), , (, , 38., , TP, , What, , 0), , B) DNS, , F, , (, , se of ping, , the, , IS, , u, , (, , hard, , d, , isk, , elent, , ·, , · ((?)'T, , (D) all the above, , ommand?, , c, , to test whether a device, , B) to test a, , ·, , ·., , i, , , _ - . · , ., , '., , 6n., , ,··, , ·, , +, , n the network is reachable, , o, , ·, , I, , ., ,, , 40., , AT, , F, , (A), , :, ., , ·, , sponds to­, , __, , ., , ···...,_..;..........J, , . •, , ., , he, , T, , . ., , ,, , n, , _, , ., , :, , ·, , A, , .., , ··, , ,, , J B, , I'', , I, , ---., , -, , ., , ., , ., , ., , ', , ., , ., , ., , corre, , r, , Laye, , etwork, tands, , (B) Physical Layer, , ayer, , N, , L, , Each battery consists of twelve cells. connected in series. The emf per celljs 2 Volts an�, , · ., , (D) Application Layer·, , , individual cell resistanceis 0. 15 Cl.- The power consumed by th�: load i� 384 watts. The, ' c, , or-, , s, , Five batter.ies' are connected in parallel to supply currerit t�,a 'wad resist;,ricii for heailng.', , 43:, , f, , le Access, , Fi, , · . value-of the load resistance can, able, , ) File, , T, , (B, , llotment, , A, , Table, , ile Allocation. Table., , (D), , F, , ent, , curr, , wing thro_ugh the, , flo, , resistance, , 5'2, , R, , 1, , A, , one, , n, , of, , the, , e, , ove, , of th, , ab, , etwork, , n, , given, , elow, , b, , ix,..:...., _, , -..·, , · 44., , 10'2, , .., , ·, , ·, , ·, , ·, , ·, , ·, , ·, , o:24 n and, , le�� than (l.54, , n, , A'moving coil instrument has a coil 1.5 cm wide and ·I.2·cm long. Theflux densityin, the, , ,, , (D) greater.than, , ', , ·, , o.i4 n, , clij, , . (C) either o.s·4 n or, 1),24 h, is-, , EX, , 4 I., , 6, , -�, , ., , (A) 0:54.!'l', , · (e), , ·, , rr._, . .: ·.' . ., , l2ov, , .J.B, , AM, , A) Data, , (e), , .:., , I, , 2ov_.,.T, , •., , ., , (, , . ·, , lt, , ;, , IP address, , R·, ',''";"'·., , ., , ·, , fau, , to test a printer, , (D) all the above, , 39., , I, , A, , ., , I, , (C), , (D), , :,.;,,....,:.,,,,.,.,..�-"-;...:.7, , ·, , 1 . 8- · <, , air gap is, , JOc-3 Wb/m2., , The-spring constant isl.4, , x, , ·t(i-', , · ·, , Nm/radian. The .., , number of turns of the coil required to produce an angular' deflection of90° when current, of ,s mA is flowing through the coil is-, , JOV, , 5'2, , R,=10'2, , ., , (A) 0.7S A from B to A, , (B) 0.5 A from B to A, , (C) 0, 75 A from A to B, , (D), , The Thevenin's equivalent, network is-, , from A to B, , circuit considering the terminal, , pair AB. of.th, , e, , ., , 4A, , (A) '125, , ., , (8), , ., , ·, , 611, , +, 20V=, , ton, , (A), , s, , = I H ; L2 = 2H ; L3 =, , The, , total, , inductance, , 142, , (C), , H';, , M12 ., 0.5. Fl ;, , of the three 'series, , following figure) wtll be., , f JI, ·, o owing, , ·, , · ·., , ., , ·· ·, ,, , ., , ., , .,(D) 158, , ·, , ., , ., , ., , . ·, , ., , ··, , ,:, , �, ., , ', , ,,· : :·, , 1, , 6, , -T, , V, , . _·_·, , "":l, , ,v... ., , (A), · .46:, , ·(B), , 13·H, , Ina �e;i.;�, , ., , '.;by�:, , (A), , LC, , _, _, , circut,, , >·.<�.,·.·., , a, ., , , _·.:, , . _ ·, , -, , ., , ., , L,", , 50, , I, , ( C ) 8 W .·, , H', , Vdc is applied', , ell, , _, t, , (D)-1\·H, , = 0. The expres§ion:1if'��i�oltage across:, , ., - ,, , ., , . ·: : . '. .; :'·.: '·.,, _ (B), , SOS, 2, , ',:�',\·it/\t·�:.l:\�:��[, , 50S, , . ·, , 2, , ti), , -_. ·, , v:s(s, , t�), , B, , J B, , +f, ._____,_, , '·, , ., , . thecapacitori-as t .:.., ·, co; assuming.zero initial condition in ttie'cii-cuifiJlo\rreiiis, is'givO:n',.i ·., , ., ., , l:, , ', , -, , LI, , LCs(s, 16V, , H., , ., , (B), , -.PA, , i, , ,, , " '° · · ·, , r.:-lA, , . ., , M23 "' l H ; M13 '=, , «" M:,-...,., , .,..-M 12---.., , ., , ., , .··, , connectedcoupled . cells {as. shown -in.,th� ·., , M u . . ., , �, ,, , ISO, , i'36, , For th� following circuit, consider the given value's, 1,,, , SY, , 42., , 45 ., , C, , B, , 0.5 A, , ., , 0, , H, , f, , TE, A, , IA, , EA, , ., , (C}, , sos, 2, , Lcs(s, , +, , . ., , J:), , (iD), , ., , ', , ., , sos, , ,:, , LC(s3 +-1· ) ., . ,, LCS., , .., , ':, , . _ - · : : .> / . � : � · - �, , I

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8,, , JELET- 2015, , 47., , A d.c. distribution cable is 1,000 m long and is loaded as shown in the following fig, , llf•, , reSISta�ce, , each, , conductor, , is, , 0.05, , iooo, , O per, , approx111w,\�ly-, , m The, , ·, , O, , 300m, , voltage, , the, , poi, , 600m, , Th, , t 'c, n, , B, , I, , at, , ·, , A, , 250/, , 9, , JELET - 2 0 1 5, , _e, , (A) f, -, , ", , I, , (B) f,, , 211.Ju',, , =, , CR, , Kc, , 2, , -L, , CR}-L, , C, , IIOOml, (C) f,, , =, , _"'I=· _, 1C, ::.;;, R, ._, f_, .::., L, , (D) none of the above, , 2, · · ·, , 80A, , IOOA, , 53., , 50A, , ., , CR, , 211../LC, , -, , L, , With direct on line starter, a 3-phase delta-connected induction motor takes starting line, current of 30 A and develops a starting torque of 173.2 Nm. When started by a star-delta, , 48., , v, , (B) 248 V, , (C) 235 V, , (D) none of the above, , In a_3-pha5<1, half wave diode rectifier, the ratio of average output voltage t o p, maximum a.c. voltage, , is-, , starter, the starting line-current and starting torque are respectively equal to-, , h, , (A), , IOA,, , JOO Nm, , er p ase, , ., , AM, , <A).250, , (B), , (C) JO A, 57.73 Nm, , 49., , (B) 0.827, , (C) 1.654, , (D), , 54., , 1.169, , In_ the two-wattmeter method of measuring power in a balanced three-phase circuit, wattmeter shows zer<? and the other positive maximum. The load power factor, (A) zero, , (b) 0.5 ·, , (C) 0.866, , ·, , (D), , (A) sinusoidal, , one­, , 55 . . In, i�, , two, , identical, , (B) co-sinusoidal, , cylindrical-rotor, , and, , t.O, , The field control of a d.c. shunt motor gives speeds which are(B) below normal speed, , (C) above and below normal speed, , (D) a multiple of normal speed, , H, , (A) above normal speed, , ,, , 2s1r, , V, i, I, , � ng e phase transformer has resistances and leakage reactances as, , TE, A, , 2500, A IOKVA, , follow :, , x,, , =, , =, , 4.8, , n,, , r;, , 1 1 . 2 n,, , S�bscripts, , I, , =, , xi, , 0.048, , =, , 0,, , o. 1 1 i, , o, , and 2 denote high voltage and, , the. power, , ', , (B) greater in cylindrical rotor machines, (D) such that nothing can be concluded, , (A) Polar ice would be frozen, , (.B?Rise in Temperature � changes ocean current � alter climate pattern, (C) Increase in the incident of heart attack of human beings, (D) Lakes, rivers are filled up at faster rate, , 57., , Air pollution is from(A) Stationary sources only viz power plant, industrial process, open burning, (B) Mobile sources only viz highway vehicle, motor vehicle, n{ilway, , low voltage windings respectively. With, , SY, , r,, , (D) rectangular, machines,, , Effects of Global warming :, , C, , 56., , 51., , synchronous, , developed for the same load angle is­, , (C) same in the both the cases, , ., , (C) flat-topped, , salient-pole, , (A) greater in salient-pole machines, 50., , JOO Nm, , In d.c. machines, the space distribution of air-gap flux density wave at no-load is-, , EX, , (A) 0.955, , 173.2A,, , (D) 17.32 A, S7.73 Nm, , (C) Primary and secondary polh.tnuts only viz fire particulate., oxides of nitrogen, oxides, , primary supply voltage held constant at 2500 V and _the low voltage winding connected, , (A) 239 V, 52., , of sulphur, ozone, , + j 3 .5 n, the secondary terminal voltage will be, , (B) 240 V, , (C) 242 V, , Consider the following circuit, , R, , L, , (D) 250, , EA, , to a load impedance of S, , v, , ....(BfAll, 58., , of the above, , (A) ESP, 59., , •, , Air pollution control equipment for 'sulphuric Acid plant is(B) Sprinkler, , (C) Bag filter, , JP)"None·of the above, , Control of gaseous pollution includes(A) Combustion only, , jJi)Adsorption, , only, , (B) Absorption only,, (D) All of foe .abov�, ', , 60., , "Thermal, , inversion" is a phenomenon associated with-, , (A) Water pollution, , (ar1,.ir pollution, , (C) Oil pollution, , (D) Noise pollution, , _ 61._W..,ter pollution measurement techniques are-, , ;, , /, ., \, , '----- v -----', (A) BOD Measurements only, The frequency f, at which the circuit will be at resonance is given by�, , http://easyteachexam.com/, , (C) COD measurements only, , ' (B) Suspended solid measurements only ., . %) All of the above!

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_, , .,, , ,, , 10-, , : 62., , JELET- 2015, , zois - .:, , JELET-,-, , 72., , "Population equivalent" is used to determine the ioad in the treatment systems of- - . - (A) Noise management, , (!!;) \V115tewater, , . _, , ., , management, , ., , -, , ., , _ (B) Air shed management, , ., , ., , ., , A uniform beam, , a and, , -, , Ail, , of length / and weight W i s supported by ropes AC.Md BD.of-lettgth, , a and, , b, respectively, making angles, , p with- the horizontal ceiling CD to which the, , ropes are tied. Under equilibrium, the tensions in the ropes ar<>-'-, , (D) Auto e;,,ission· management, , ., , ", , "", , "'""'llifil@,,',,;'·.%W', , An example of low cost waste treatment_ is.-, , ·63., , Wsina, -(A.) Oxidation Ditch -, , (B) Anaerablc M Fixed Film Reacter, , )!!>, , (C) Wasie stabilization pond :, , (A) TI, , =, , W s i n fl, , 1, (, ,, , O, , r,, , sin(a + (3), , sin(a + fl ) • T2 =, , b, , Floating aerobic bioreactor, ll, , Solid waste is. generated from-«, , ·, , W cos a, (B) T1, , (A) Residential _ar_eli only,", , =, , (BJ_ Commercial complex only, , - - (C) Institutional .activities only, , W cos-fl, , s i n ( ci + fl ) ' T, -, , . _ (B)'All 'of the above, , ', , -, , siri(a+fl), , AM, , 64., , W cos fl, · '65.: Following.items can.b� "recycled or r�used"-, , ., (C)T1=, , (A) Plastic' via.boitles, bags, sheets only, , ., , �The, , . (B) Glass -ail<! 'Ceramics viz_ bottl�s. plates, cups, bowls only, , Composition of municipal solid 'waste is-, , -, , (A) T<j!lll compostable matter only", , ., , _, , (,0:) BOD, , ., ·, , Earth, , h, , T, , e, , (, �, 5, t, h, , e :, , 7, 0, , ', , ., , {, , •, , • •:, , (A), , _, , ., , C, , (, , ), , _, , _ ., , s, , d, �, y, , •, i, , June, , 4.flcl, , ., , ., olids, , .s, , ·, , �el�br.ated, , - ,, , -, , ·, /, , o, , i, , g, , -, , .(Hfcoagufation, , l, , ca, , ., , -·, , -, , ·, , -, , - -, , x8)S��pended sollds, (, , •, ., , ), , i, , D, , Chem, , cal, , ygen demand, , O, x, , o, n, .:...., , -, , Oxygen, , ., , -, , ·. (B) 16th September, , i, , -, , ., , \, ,, , -, , ., , Ox�geri, , Demand, , ., , ., , t:, , - 1, , ., , -, , .., , ·, , (, D, ), , of, , ., , PAiu::�a :. ", , _, , "cand!da1�•, , "except, , ., , (A) 5 I O N, , (C) 7 1 0 N, , . {, , Jm _, t, , ., , a, , ;,;o_J, , ., , _, , ·,, , . ', , -, , ·, , 2, [(3t - 2t)i, , =, , (B), , 610 N, , (D), , 8ION, , §.-.������, , + t3j - t4k} m. The work done by the force in-mov_ing the mass, from time t= ls to t = 2s is-(A) 345.4 J, , (B) 2454 J, 2, , (C), , 75., , l, , /, , A point.mass travels along the x axis with, a velocity, , I, , (0) 454 J ., , 1454 J, , starts, , u -which, , varies, , as· function, , t, , .., , ', , of, , \, , }, I, , '\I, , from the. origin at t = 0, the total, , I, , ·2, , displacement by the particle in 8 s is0, , ., , ., , ,:, , ., , (A) 0 m, , (B), , 76., , (C) 2 m, , (D) 3 m, , 2, , shown in the figure. The mass of the remaining portion of the, , di�c is m. The moment of inertia of the disc about the axis, , m hangs by, , through, , perpendicular to, , smooth frictionless, , the, , center, , (A), , �i, , (C), , ;;, , 2, , mR, , mR2, , 3, , 4, I (S), , I m, , A uniform disc of radius R has a round.cut of diameter R a s, , _.-passing, , s ·, \, , _L, , Due to a force F, a 4 kg mass moves along the space curve, , time t as shown in the figure. If the particle, , P�nting Technology and �gric�lt�ra]: -_·, , ',-:':Engineering candiclat�)', , length-_/ ='l).6 � :and rests o�, , ., , _, 1, , 3 m, , of, , mass, , its plane is, , vertical wall Bi, as· shown in 'thefigure. The tension S in the ti� rod, is.�p_proxima!e!.y, , .', , None of the above· ·, , ., , A-cin;uJar·rollelr o�mass M = 45 kgand radius r, , atie rod AC, , is, , (D) TAC = SON, , -· �- Bk,che�jcal Oxygen Demand, , Demand, , , ,, , ., , cos(a+fl), , (B) TAC = 40N, , H, , (D) Plain sedimentation, , ifs2., , ., , -, , (Dj 22nd March, , 'Bacteriological, , -, , · -, , ., , ., , .., , ., , (Qu�_tl�n �ii,;7f • ��O}�� �u, , 11., , ', , -, , Aprl,1}, , i lo, , B, , '-,, , ', , ., , · ·, , C, , ., , _ _, , means=-,, , B, O, , ., , ,, -, , _, _, , ., , :· (C) Toial dissolved, , 69:', , _, , ··, , TE, A, , -_, , -., , .., , ·, , The turbidity" of. a stream ;eflects, , s, s., , -·, , ·, , (C) Disinfection, , ., , W cqsfl, , c o s ( a + fl ) • T i =, , rolle'.s wei�� W = 60 N and, , described by the instantaneous position vector r, , impurifiers are removed from water by-C, , fine and· light .coll�idal, , · (A) Si.�rilization.,, , 74., , � Al I of ihe above, , --, , SY, , \iery, , '61:, , ., , (A) TAC = 2W, , . (C) TAC = 60N, , (B) Inert materials only, , EA, , , ., , W sin fl, (D)T1=, , by the wire AC. The tension in the wire is approximately-, , : : '(0). Metals only, , ., , papers; card board boxes, - old copiers only, , of the aboye, , 66., , -·, , news', , uniform bar with end, , W cos a, sin(a+fl), , supported by horizontal and vertical frictionless surfaces and, , EX, , -(C) Paper viz old books,, , jp1'All, ._, , s i n ( a + fl ) ' T 2 =, , (B), , �i, , 2, mR, , (D), , �i, , mR, , 2, , of, , the, , disc, , and, , 5, , 6, , 8, , \, , •

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77., , JELET - 2015, , JELET- 2 0 1 5, , 2, , The, , small, , body · has, , 83., , a, , A cylindrical disk of radius R and mass M rolls along a horizontal plane with speed:V., , speed vA = 5 mis at point, A., , If, , the., , n e g l ecte d,, , friction, and, , The total kinetic energy of the disk is-, , is, ., , the, , 1° Mv2, , (A), , t, , (B), , Mv2, , (C) Mv2, , acceleration due to gravity, �he J .2 kg wooden block B is used for level-support, is I O mls2,-the body at the, of the, location B has. a speed-, , vs = I mis, , (B), , v9 = 0, , A uniform disc of radius R is, , on .a, , placed, surface, , horizontal, , can, , (D) vn = 3 mis, , = 2 mis, , (C)"v9, , the, , spinned about its axis at an angular velocity ro and then, , surface., , The 'co-efficient of friction, , between, , the, , disc, , total, , force, , and the, (A), , 150 N, , 85., , block A starts, , 1" roR/µg, , slicJing down, , (C) t =, , from the, , t, , top, , roR/µg, , (D) t, , =, , 4, , =, , B, , ball, , ls, respectively, , A point moves along a circle with a tangential velocity v, acceleration, , of the, , beginning the motion, (A,) 0.5, , point, , at the, , instant, , it, , has, , =, , at where, , covered, , I/10th, , a, , =, , (A) a = sin�t (, , 86., , =, , i), , (B) a = cos"! (, , (D), , sin-I ( �), , i), , a = cos-1( �), , Consider a slender homogeneous prismatic rod having, , 0.5 mis'. The, , of the, , circle, , · an, , isosceles, , triangle, , of lengths, , a and, , b as, , its, , cross- ., , after, , section as shown. An axial load of magnitude P acting, , is-, , 2, mls, , 2, (C) 0.7 mls, , (B) 0.6 mls2, , (D), , o.s, , in, , a direction perpendicular to the plane of the paper,, , •, , m/s2, , passes through point O at distance of h from base of the, , A sleeve A can slide freely along a frictionless rod bent in the shape, , section. l fh, , · constant angular velocity ro, angle, , 0, , corresponding, , to, , =, , EA, , of a half-circle of radius R = 0.5 m. The system is set to rotate at a, , 5 rad/s about a vertical axis 00'. The, , the, , steady, , position, , of, , the, , approximately­, , 82., , is in the state of equilibrium, is=-, , (C) a, , SY, , total, , 81., , (D) 75° and 5s, respecuvcly, , TE, A, , ., , (A) 39° and 3s, respectively, , 80., , 100 N, , in the figure. If the string AB is "horizontal, the angle a, , the corresponding time of descent, are-, , (B) 49° and, , the, , that the string AC makes with the horizontal, when the, , 0.14. The value of wedge, , (C) 59° and 2s, respectively, , on, , of the strings carry loads p and Q, respectively, as shown, , a for the minimum time of descent of the block, and, , ,, , block, , pass over frictionless pulleys at B and C. The other ends, , of a, , m. The coefficient of friction between the body, , and the wedge surface is µ, 'angle, , wooden, , H, , 2.1, , by, , and has attached to its center two strings AB and AC that ., , roR/µg, , C, , =, , . A, , A ball of weight Wrests upon a smooth horizontal plane, , ., , wedge B as shown in the figure. The wedge has a base of, I, , of static, , EX, , / A small, , (B) t =, , roR/µg, , I, , exerted, , (B), , comes to a standstill after a time-, , f, , coefficient, , (D) 75 N, , (C) 90 N, , (A) t =, , The, , inclined surface A is approximately+, , µ, and the pressure exerted by the disc on the surface is uniform. The disc, , is, , of paint., , AM, , (A), 78., , 9 kg, , friction between the surfaces is 0.9. The magnitude of, , (A), , 38°, , (B) 28°, , "(C), , 18°, , (D) go, , An, , elevator car, , whose, , =, , 2, , 2, , 1;�(2a), , - b, , , then the resulting stress, , distribution due to the load P in the member will be­, , sleeve · is, , (A) Trapezoidal, , . (B) Triangular, (C) Rectangular, , (D) Indeterminate from.the given data, , floor-to-ceiling, , distance, , is, , equal, , to, , 2.7 m, , o ., , -+tOON, , 87., , In the-structural member whose cross-sectional area is I 00, , staits ascending with constant acceleration of 1.2 m/s2. 2s after the, , mm2, a load of magnitude I OON is acting as shown in the, , start, a halt is dislodged from the ceiling. The time taken bythe bolt to hit the floor of, , figure. If Young's modulus of elasticity of the material, , the elevator car is-, , 200 GPa, , 2m�i--•m-1, , ., , (A) 0.5, , s, , (B) 0.6 s, , (C) 0.7 s, , (D) 0 . 8 s, , (A), , JO, , is, , then its free end deflection will be', , x, , 10-l, , mm, , (B) 30, , x, , 3, , 10-, , �, mm (C), , 10, , (D) None of these, , mm, , http://easyteachexam.com/, ------------

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JELET - 2015, , JELET- 2015, , 16, , The pitch point in a cam is­, , 83., , Longitudinal, , (A) any point on the pitch curve, (B), , (A) equal, , the point on cam pitch curve having maximum pressure angle, , (C) the, , ., , ., , Relationship between the number of links (L) and number of pairs (P), (A) p, , 74., , ·, , 84., , =, , 2L + 2, , . (B) P, , =, , 2L - 4, , =, , (C) P, , 2L - 2, , (D) P, , (B), , ., , 'cA) the maximum torque it can transmit, (B) No. of circles it runs before failure., , 4L + 2, , (C) torque required to develop twist of one radian per unit, , ratio, , Rivets are made of following type of material(A) brittle, , decrease slip, , (B) ductile, , (D) positioning belt at the centre of the pulley face., , (B) Oxidation drying, , (C) Evaporation drying, , (D) Quickset drying, , EX, , circle, , (C), , involute, , (D) cycloid, 87., , 76., , The organic sulphur compound present in gelatin used, , To transmit power between two non parallel and non-intersecting shafts, we use-, , (A) Egg albumen, , (B) bevel gear, , (C) helical gear, , Shellac, , .(C), , 77., , Two systems can be dynamically equivalent if­, , 88., , TE, A, , (B) C.G of the two coincides, , is same, , (D) all of the above, , 78., , Angular acceleration of, , a, , link can, , be calculated by dividing­, , (A) centripetal component of acceleration by len gth· of link, (B) tangential component of acceleration by length of link, , SY, , (C). resultant acceleration by length of link., (, D, ), , tangential component of velocity by length of link, , 79 . .The material having equal elastic properties in all direction, is called-., , 80., , (B) isotropic, , (C) uniform, , The iniensity of stress which causes unit strain is called(A) bulk modulus, ·(C) principal stress, , 81., , (, B, ), , ., , ., , unit stress, , (A) resilience, , (B) toughness, , (C) proof resilience...., , (D) impact energy, , If a materiai expands freely due to heating it will, , - (A) tensile stress, (C) no stress, , be subjected to-, , stress, , ingredients, , in, , direct, , emulsion, , stencil, , in, , screen, , process, , ., , Casein, , (B), , Animal glue, , (D) Polyvinyl, , alcohol, , 90., , The ideal running pH of fountain solution 'is generally regarded to be betwe�n-, , important substrate property for gravure, , (B) Flatness, , (A) Roughness, , " (Aj, 91., , 5 and, , 7, , (B) 2 and 3, , 92., , (B) 0.5 to 5 poise, , Potassium, , F-89, , (C), , (B), , ferricyanide, , 11, , (D) 7 and, , IO, , 10 to 25 poise, , (D) 50 to, , I 00 poise, , •, , (D) 0.0006" to 0.30", , Silver sulphide, , Hardener used. in, , Sodium thiosulphate, , (D) Ammonium, , Commonly used intensification chemical is(A) Silver chloride, , ,, , (C) 9 and, , (B) 0.06" to 0.30" (C) 0.6" to 0.30", , (.r',) Potassium thiosulphate, , 9's., , (D) Moisture content, , . (C) Smoothness, , Modern 'rapid' fixer is a fixing solution of-, , (<C), , 94., , ', , Common thickness range for the copper layer on a gravure cylinder is(A) 0.006" to 0.030", , 93., , is-, , Viscosity of screen. inks generally varies between-s(A) 0.5 to 2 poise, , '(B) compressive stress, (D) thermal, , important, , (A) Dextrin, , (C), , 82., , of the 'most, , Gum Arabic, , l'll!l most, , . ., , is its-, , (, D, ), , 89., , (D) modulus.of elasticity, , The maximum strain energy that can be stored in a body, , is--, , printing is- ., , (C), , (D) elastic, , EA, , (A) visco-elastic, , One, , C, , (A) mass of the two is equal, , (C) M.0.1 of the two about anaxis through C.G., , in photographic emulsion, , (B) A)lyl thioearbamide, , (D) worm gear, , H, , (A) spur gear, , · (D) malleable, , (A) Penetration drying, , The locus of a point on a thread unwound from a cylinder is(, B, ), , (C) hard, , Which types of ink drying is required in flexography process when printing on a plastic, , 86., , film?-, , (A) straight, line, , length of slid!., , (D) Maximum power that it can transmit at highest speed., 8 5., , (C) increase velocity ratio, , 75., , (D) one fourth the hoop stress ., , The torsional rigidity of a shaft is expressed by­, , Crowning is provided in pulley to­, (A) maintain speed, , (B) half of the hoop stress, , to hoop stress, , ,s-, , =, , 17, , in a thin cylinder is-'-, , (C) twice the hoop stress, , point on cam pitch curve having minimum pressure angle, , (D) None of the above, 73., , stress, , AM, , 72., , !, , thiosulphate, , I, , (B) Mercuric chloride, (D) Potassium ferricyanide, , indirect stencil making processin screen process printing, , (A) Methylated spirit, , (B) Isopropanol, , (C)1 Hydrogen peroxide, , (D) Isopropyl, , acetate, , is-, , .

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", JELET - 2015, , 8, , 96., , For, , pel'loot, , binding,, , (A), , Polyurethane, , J.!lLET -' 20 I 5, , the basic type of adhesive used is-, , 80., , Lead and registration are a�, , .J1�1ed with-, , CA> Seed drill, , . '·.;\, , 'I, , 97., , One, , (A), , 98., , 99., , Tli@, , silicate, , adhesive, , Starch-based, , adhesive, , (D) Animal glue, , Silver'bromide, , (B), , Stwoli, , 11Qating, , of, , fe11'ic, , (Q), , IJnmonium, , a, , positive, , working p.s., , (C), , 81., , chloride, , (B), , dichromate ,, , Potassium, , photopolymer, , Polystyrene, , ., , of-, , (D) Diazo, , commonly· used developer of, , (D), , Gelatin, , 'plate consists, , 82., dichromate, , 83., , plate in flexographic, , (Bj' Ethylene, , (C) Terrachloroethene, , (D) Hydrogen peroxide, , 1000-1500, , (A), , process, , is-, , propylene, , Ti!J -�le, , strength of, , paper, , 84., , 85., ·i, , · (D) Urea-formaldehyde, , :, , PART�D, , i, , of a· plow depends •on-, , \� s.il'lc l'f \lw iihiw, , (B) speed of operation, , (C) size of 1'1111, , (D) both A and B, , Higher mechanization index is, , associated, , H, , capacity, , I, , C, , field, , to-, , '', , (A) lower, , cos.\, , 1>f, , cultivation, , (B) higher time efficiency, , (C) higher field efficiency, , (D) all of these., , 87., , f, , TE, A, , 72., , The9,eti£i\l, , .,(B)'·dlJ,)li.,of cut, , (C) length of share, , (D) weight of plow, , (C) 5-10°, , (D) 20-25°, , plow. varies ftom--,-, , . ., , ., , ", , (B), , 15-20', , (A) Octane number, , (B) Cetane number, (D) none of these, , A steam engine is, , an, , example of-, , (A) Compression ignition engine, , (B) Spark ignition engine, , (C) Internal compression Engine, , (D) External compression engine, , 86. _Specific fuel consumption is, expressed in-, , (Q11�tion no, 11 • 100 only for Agricultural Engineering candidates), 71., , :·, , EX, , (C) Glue, , ·, , (D) none of these, , (C) SAE number, t, , (B) Titanium dioxide, , (C) 1500-2000, , The antiknock quality of petrol fuels is given by-, , ,I, , can be increased by-, , (A) S�h, , }i:3)550,!'IiOO, , cif dis,, , (O:J5°, , (A), , ., , (D) Sprayer, , drum for wheat crop is-, , The size of MB plow iilo.���d-(A) width of cut, , compound, , ({\) Kerosene, , Wet, , (B) Planter, , rpti.'- of'tju'eshing, , As per IS standard the, , I, , I 00., , :, ·, , (C) Cutter bar of moweri., , (If the ·important lyophobic colloids is-, , (N, , Tlw, , (B), , AM, , (C) Sodium, , adhesive, , 88., , (A) kg/bhp/h, , ·, , ., , (C) g-bhp/h ., , (B) cc/bhp/h, , (D) rione of these, , The lowest temperature at which fuel ceases to flow is known as- ·, (A) Flash point, , (B) Cloud point, , (C) Pour point, , (D) Viscocity number ,, , The mould board of MB plow is made of-, , ·, , (A) malleable iron, , (B) soft centered steel, , (C) high carbon steel, , (D) mild Steel, , y, , 73., , Land holding of marginal farmers in India is(A) < 1, , (B) 1-2 ha, , h, a, , ,,, , (C) 2-4 ha, , (D) 4--10 ha, , ., , 89., , Lister plow is used for­, , I., I., , (A), , primary, , u�Qer-, , SY, , Cultivator comes, , (D) harvesting implement, , (C) intercultural o�ration implement, 75., , The firing order, , llf·, , (A) 1-3-4-2, , . 76., , 110 Kcal/kg, , is-, , 1-2-3-4, , (Cl 2-4;3_1, , (Bl 1100 Kcal/kg, , In petrol engine to, (Al 18V, , 78., , cylinder, , (B), , Calorific value of HSD is in the range o�., (A), , ·11., , �s 4, , With, , produce, , spark, , the, , a standard, , indigenous, ., , plow, , (C) ,11000 Kcal/kg, , I, , i, , i, , 90., , (C) 1800V., , (D) ridge formation, , Front wheel tractor balasting is used to-, , slip, , (D) none of, , 91., , In, , seed, , drill,, , if, , the speed of operation .is, , be--, , Kcal/kg, , (A) doubled, , 92., , for plowing one ha land the plowman has to walk, , In case, ., , ·, , (A), , <!oubled,, , <-;:., , of, , {B), , up to 4 litres, , (C) 5-10, , 79., , Coulter·, , (A), , MB, , and, , (B) 65 KM, jointer, , plow, , (C), , I 00 KM, , (D), , I SO, , (D), , Disc, , KM, , are attachments of(B), , Indegenous, , plow, , 93., , half '., , Seed, , drill, , harrow, , fly, , the, , requirement, , · ., , C,-, , ', ?, , wheel, , (C) cage wheel, , are, , associated, , of seed, , (D), , ".,·',,'.(¢/�pchanged, , ',:, · . ; .;,,, , litres, , Caster and camber, (A), , (C), , soil, , per, , ha, , will, , °\':><. .,, , ULV sprayer, the.application ·;�)»:iiir'hectare is-, , (l:i)' 4-5, , «: , -,' :{D), · ' I . , . ,, , (A)_J O KM, , puddle, , these, , ;, �,·, , (D) 18000V, , •, , (A) avoid over turn due to weight transfer (B) quick movement in, , ., , (Dl 110000, , (B) Seeding purpose, , (C) bund formation ., , (C) avoid wheel, , 1-4-2-3, , spark plug requires-, , (Bl 180V, , approximately-, , (D), , (A) D��p plowing, ·:J', , (Bl secondary tillage implement, , tillage implement, , EA, , 74., , litres, , more, , than, , •·, , IO litres, , ., , with--'·, , (B), , steering, , wheel, , (D), , none, , these, , of, , unpredictable

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I, , JELET- 2015, , 20, , .. 94., , In rich mixture the air- fuel ratio is in the range clf-, , (A) 9 :, ·9, 5, ,, , 96., , I, , (B), , I : 9, , (C) 20 ':, , (0), , l, , l, , : 20, , Negative draft can be obtained wheo­, (A) plowed with MB plow, , (B) plowed with disc plow., , (C) plowed with disc harrow, , (D) plowed with rotary tiller, , In force feed lubrication system of tractor, the type of pump used is'(A) centrifugal pump, , (B) gear pump, , (D) flapper pum�, , (C) plunger pump, , In horizontal axis wind mill the maximum power efficiency that can be obtained is-, , 98., , Thesolar constant is-, , :•, 99., , (Aj"f52 W/m2, , _ (B), , (0) 67%, , (C) 57%, , 1352W/m2, , (C) 2352 W/m2·, , (D) none of these, , In bio gas system, the optimum C-N ratio, should be-, , (A) 30, 100., , (B) 47% ., , EX, , (A) 37.% _, , AM, , 97., , :, , l, , (B) l, , : JO·, , -, , - (C) 10 : I, , \, , (0) none of these, , Janata, Deenbandhu, KVIC are different models of(B) Power tiller, , (C) Sprayer_, , (0) Bio-gas plant, , C, , H, , (A) Tractor, , '., , http://easyteachexam.com/, , EA, , SY, , TE, A, , ', , ;, , ', , -'"'""-�----------------, , -, , -, , -