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10, , I., , 12, , 13, , Test, Paper No I Fluid Mechanics & Unit Operation |, , Fluid statics deals with the study of fluid at .........., a rest b. motion c. fluid flow d. none of these, , A substance which is capable of flowing is called 00.0.0..., , a. fluid b. liquid c. gas d. vapor, , If the ........... of a Muid is not appreciably affected by moderate changes in, temperature and pressure, , a. concentration b. dilution c. density d. mass, , Gases are considered to be ............., , a. incompressible —_b. real c. ideal d, compressible, The ., .... Of a fluid at a given temperature is measure of its resistance, , a. density b. volume ©. viscosity d. none of the above, Fluid that does not obey Newton’s law of viscosity called. .. fluid, , a Non- Newtonian 6. real c. ideal d. all of the above, The units of pressure head is ............., , a. square meter b. meter ¢, feet d. centimeter, , The common manomertric fluid is ......... .., , a. nitrogen b. steam ¢. mereury d. none of the above, Separation of two immiscible liquids having difference in densities is possible using a, sesso ees see Decanter,, , a. centrifugal b. batch ¢. continuous d. none of the above, , j Fluid which offers resistance when it is set in motion, a. compressible b. ideal c, Newtonian d. real, , The flow in which the fluid moves erratically in the form of cross currents and eddies is, a ideal b. parallel ¢. laminar d. turbulent, , ‘The experiment used to demonstrate the quantities difference hetween laminar and, turbulent flow is ......... ..... Experiment., , a. Rutherford b. Newton’s c¢. Reynold d. Dalton’s, , The pump which lift a liquid from a lower level to a higher level by the action of, , centrifugal force is ............... pump., a. Piston b. plunger c. centrifugal d. rotary
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14., , 15., , 16, , 17., , 20., , 21., , 22., , 23., , 25., , 26., , 27., , If the suction pressure is slightly greater than the vapor pressure, some _ liquid may, flash to vapor inside the pump a process is the ..........., a. erosion b. vaporization ¢. corrosion d. cavitations, , Pump which facilitates automatic priming of the pump is .........., , a. self filling b. self pumping ¢. self running “4 self priming, + ssvees ess Pumps are single acting., , a. piston b. centrifugal ¢, plunger d, reciprocating, The device used for the measurement of flow rate of fluid is the ooo Meter,, a. area meter b. flow c, ammeter d, volt, , An orifice meter consists of flat circular plate with an accurately machined and drilled, circular hole called ............... meter., a venturi b. pitot ©. origin d. orifice, , The pressure drop across the meter is constant and the area through which the fluid, , flows varies with the flow rate, the meter is ............ meter., , a rota b. venturt ¢, stalogma d. TDS, Throat is the element of ............ meter,, , a. area b. venture ©. rota d. volt, , The absolute pressure at which the liquid and its vapor are in equilibrium at a, , given temperature is known as ... ... ... pressure., , a. vapor b. vaporization ¢. absolute d. total, , The pipeline diameter can be changed by .............., , a. plug b. reducer c. bend d. tee, , The critical velocity for transition from ............... to turbulent flow depends, , upon the diameter of pipe, average velocity of fluid, density and viscosity of fluid., , a. laminar b. ideal ¢. real d. all of the above, Micromanometers are used to measure ................. Pressure difference., , a. low b. large ¢. medium d. small, , A flow whose stream line is represented by ................is one dimensional flow., , a. in space b. curve ¢, straight line d. none of the above, Pitot tube does not give the ............... velocity directly., , a. total b. average c. sharp d. none of the above, , The flow is said to be steady if it does not vary with..............., a. density b. volume ¢. location d. time
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28. The flow of fluid changes rapidly from laminar to turbulent at the Reynold number, , a. 2000-4000 b. 2100-400 ¢. 2200-4000 d. 40000-5000, 29. Convergent section, throat and divergent section are the parts of ..............meter., , a. current b. wet gas ¢, venture d, rota, 30. Pipes are ................. Walled, relatively large in diameter., , a heavy b. thin ¢. thick d, light
