Mechanical Engineering Quiz - Set 17


1. Energy may be defined as the capacity of doing work.
Incorrect
Correct

2. The value of universal gas constant is same for all gases.
Yes
No

3. The coefficient of friction is the ratio of the limiting friction to the normal reaction between the two bodies.
Correct
Incorrect

4. The efficiency of Diesel cycle increases with increase in cut-off.
Yes
No

5. The motion of a D-slide valve in a steam engine is simple harmonic.
Yes
No

6. An irregular body may have more than one centre of gravity.
Yes
No

7. The included angle for the acme thread is 29°.
True
False

8. Cutting fluid has no effect on the tool life.
True
False

9. At the node, the shaft remains unaffected by the vibration.
Agree
Disagree

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

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

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

13. The ratio of driving tensions for rope drive is same as that of V-belt drive.
Yes
No

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

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

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

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

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

19. A shoe brake is commonly used in railway trains.
Yes
No

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

     Score =

Correct answers:

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