Mechanical Engineering Quiz - Set 12


1. The proof resilience per unit volume of a material is known as modulus of resilience.
True
False

2. When plates are fastened by a rivet, the holes in the plates should be made by punching and reaming.
Correct
Incorrect

3. In a Proell governor, the balls are attached to the extension of lower links.
True
False

4. Locomotive boiler is a ________ boiler.
Fire tube
Water tube

5. Liquid fuels have higher calorific value than solid fuels.
Yes
No

6. A Porter governor can not be isochronous.
Agree
Disagree

7. If the efficiency of a lifting machine is kept constant, its velocity ratio is _________ proportional to its mechanical advantage.
Inversely
Directly

8. When a rectangular beam is loaded transversely, the zero stress is developed on the neutral axis.
True
False

9. A weir is usually made of masonry or concrete.
Yes
No

10. The module is the reciprocal of diametral pitch.
True
False

11. The change of entropy, when heat is removed from the gas, is negative.
Yes
No

12. Conduction is the process of heat transfer from one particle of the body to another by the actual motion of the heated particles.
True
False

13. A link or element need not to be a rigid body, but it must be a resistant body.
Agree
Disagree

14. An ideal fluid is frictionless and incompressible.
Correct
Incorrect

15. A pattern is used to make the mould cavity for pouring the molten metal for casting.
Yes
No

16. The delay period in oil engines increases with increase in the speed of engine.
Agree
Disagree

17. Parallel fillet welds are designed for bending strength.
Agree
Disagree

18. The sensitiveness of a governor depends upon the lift of the sleeve.
Right
Wrong

19. The vacuum pressure is always the negative gauge pressure.
Yes
No

20. In petrol engines, using a fixed octane rating fuel, the increase in compression ratio will not affect the knocking tendency.
Agree
Disagree

     Score =

Correct answers:

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