Mechanical Engineering Quiz - Set 17 Mech Quiz Quiz Questions 01. Energy may be defined as the capacity of doing work. (A) Incorrect (B) Correct 02. The value of universal gas constant is same for all gases. (A) Yes (B) No 03. The coefficient of friction is the ratio of the limiting friction to the normal reaction between the two bodies. (A) Correct (B) Incorrect 04. The efficiency of Diesel cycle increases with increase in cut-off. (A) Yes (B) No 05. The motion of a D-slide valve in a steam engine is simple harmonic. (A) Yes (B) No 06. An irregular body may have more than one centre of gravity. (A) Yes (B) No 07. The included angle for the acme thread is 29°. (A) True (B) False 08. Cutting fluid has no effect on the tool life. (A) True (B) False 09. At the node, the shaft remains unaffected by the vibration. (A) Agree (B) Disagree 10. In diesel engines, the ignition takes place due to the heat produced in the engine cylinder at the end of compression. (A) Correct (B) Incorrect 11. Stefan-Boltzmann law is applicable for heat transfer by convection. (A) Agree (B) Disagree 12. The product of the diametral pitch and module is equal to one. (A) Correct (B) Incorrect 13. The ratio of driving tensions for rope drive is same as that of V-belt drive. (A) Yes (B) No 14. The centre of gravity of a hemisphere lies at a distance of 3r / 8 from its base measured along the vertical radius. (A) Incorrect (B) Correct 15. The action of a centrifugal pump is that of a reversed reaction turbine. (A) Correct (B) Incorrect 16. If the sand is too fine, its permeability will be high. (A) True (B) False 17. The natural frequency of free transverse vibrations is same as that of free longitudinal vibrations. (A) Right (B) Wrong 18. In an axial flow reaction turbine, the water flows _________ to the axis of the wheel. (A) Parallel (B) Perpendicular 19. A shoe brake is commonly used in railway trains. (A) Yes (B) No 20. Reflector in nuclear power plants is used to reflect neutrons back into the active core. (A) True (B) False Submit Test Next Quiz Tests: Set 01 Set 02 Set 03 Set 04 Set 05 Set 06 Set 07 Set 08 Set 09 Set 10 Set 11 Set 12 Set 13 Set 14 Set 15 Set 16 Set 17 Set 18 Set 19 Set 20 Set 21 Set 22 Set 23 Set 24 Set 25 Set 26