Mechanical Engineering Quiz - Set 17 - ObjectiveBooks

Mechanical Engineering Quiz - Set 17

Quiz Questions

01. Energy may be defined as the capacity of doing work.

02. The value of universal gas constant is same for all gases.

03. The coefficient of friction is the ratio of the limiting friction to the normal reaction between the two bodies.

04. The efficiency of Diesel cycle increases with increase in cut-off.

05. The motion of a D-slide valve in a steam engine is simple harmonic.

06. An irregular body may have more than one centre of gravity.

07. The included angle for the acme thread is 29°.

08. Cutting fluid has no effect on the tool life.

09. At the node, the shaft remains unaffected by the vibration.

10. In diesel engines, the ignition takes place due to the heat produced in the engine cylinder at the end of compression.

11. Stefan-Boltzmann law is applicable for heat transfer by convection.

12. The product of the diametral pitch and module is equal to one.

13. The ratio of driving tensions for rope drive is same as that of V-belt drive.

14. The centre of gravity of a hemisphere lies at a distance of 3r / 8 from its base measured along the vertical radius.

15. The action of a centrifugal pump is that of a reversed reaction turbine.

16. If the sand is too fine, its permeability will be high.

17. The natural frequency of free transverse vibrations is same as that of free longitudinal vibrations.

18. In an axial flow reaction turbine, the water flows _________ to the axis of the wheel.

19. A shoe brake is commonly used in railway trains.

20. Reflector in nuclear power plants is used to reflect neutrons back into the active core.

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