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3/21/22, 5:01 PM, SYSTEMS IN MECHANICAL ENGINEERING, SYSTEMS IN MECHANICAL ENGINEERING, UNIT- 1 to 6, * Required, 1., Email *, 2., FULL NAME *, 3., ROLL NO. *, 4., DIVISION *, Mark only one oval., BEST OF LUCK, Attempt all questions. All questions.carry equal marks, 5., The volume of air delivered by the compressor is called.., 1 point, Mark only one, b) Compressor capacity, c) Swept volume, d) None of the above, https://docs.google.com/forms/d/1jiapzSKR-ckFRy_QeSb6Np_vFbt6pgJOWmfQ0DKuNkU/edit, 1/17, Prof KRISHNA KR YADAV

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3/21/22, 5:01 PM, SYSTEMS IN MECHANICAL ENGINEERING, 6., The value of air sucked by the compressor during its suction stroke is called.., 1 point, Mark only one oval., a) Free air delivery, b) Compressor capacity, c) Swept volume, d) None of the above, 7., Which of the following is NOT a type of positive displacement pumps?, 1 point, Mark only one oval., a) Reciprocating pump, b) Rotary displacement pump, c) Centrifugal pump, d) None of the above, 8., pump is also called as velocity pump., 1 point, Mark only one oval., a) Reciprocating, b) Rotary displacement, c) Centrifugal, d) Screw, 9., Which of the fo lowing is not a component of packaged air conditioners?, 1 point, a) Compressor, b) Condenser, c) Chiller, d) Evaporator, https://docs.google.com/forms/d/1jiapzSKR-ckFRy_QeSb6Np_vFbt6pgJOWmfQ0DKuNkU/edit, 2/17, Prof KRISHNA KR YADAV

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3/21/22, 5:01 PM, SYSTEMS IN MECHANICAL ENGINEERING, 10., The gear train usually employed in clocks is a, 1 point, Mark only one oval., a) Reverted gear train, b) Simple gear train, c) sun and planet gear, d) Differential gear, 11., When brakes are applied on a moving vehicle; the kinetic en, is converted to, 1 point, Mark only one oval., a) Mechanical energy, b) Heat energy, c) Electrical energy, d) Potential energy, 12., Hand brake is applicable to, 1 point, Mark only one oval., a) Only front wheels, b) Only rear wheels, c) Both front and rear wheels, d) All of the above., 13., Which pump flow rate is continuous and smooth?, 1 point, PEO,, A) Reciprocating pump, B) Centrifugal pump, C) All of the above, D) None of the above, https://docs.google.com/forms/d/1jiapzSKR-ckFRy_QeSb6Np_vFbt6pgJOWmfQ0DKuNkU/edit, 3/17, KŘISHNA KR YADAV

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V B) Reciprocating pump, 3/21/22, 5:01 PM, SYSTEMS IN MECHANICAL ENGINEERING, 14., Which of the following is not the main part form of centrifugal pump?, 1 point, Mark only one oval., A) Impeller, B) Casing, C) Suction pipe, D) None of the above, 15., Which of the following is not used application for pump?, 1 point, Mark only one oval., A) Hydraulic jacks, B) Kerosene pump, C) Hand operated pump, O D) Refrigerator, 16., What is an example for blower?, 1 point, Mark only one oval., A) Kitchen chimney, C) Exhaust fan, D) Dryer, 17., A heat engine gives out 500 J of heat energy as useful work. Determine the energy, 1 point, as input if its efficiency is 40%., A.1400 J, O B. 1250 J, C. 1170 J, O D. 1920 J, https://docs.google.com/forms/d/1jiapzSKR-ckFRy_QeSb6Np_vFbt6pgJOWmfQ0DKuNkU/edit, 4/17, Prof. KRISHNA KR YADAV

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3/21/22, 5:01 PM, SYSTEMS IN MECHANICAL ENGINEERING, 18., Pump is mechanical devices which is converting the mechanical energy into hydraulic, 1 point, energy., Mark only one oval., VA) True, B) False, 19., It works on the principle of pressure difference the two locations., 1 point, Mark only one oval., A) Vacuum cleaner, B) Motor fan, C) Split AC, D) Washing machine, 20., The branch of science that deals with the process of reducing and maintaining the, 1 point, temperature of that space or material below the temperature of surroundings., Mark only one oval., A) Refrigeration, B) Motor fan, C) Refrigerator, D) All of above, 21., The power from, engine to the rear axle of an automobile is transmitted by means of, 1 point, Prof. KRISHNA KR YADAV, Worm and worm wheel, B) Spur gear, C) Bevel gear, D) Hooke's joint, https://docs.google.com/forms/d/1jiapzSKR-ckFRy_QeSb6Np_vFbt6pgJOWmfQ0DKuNkU/edit, 5/17