Mechanical Engineering Quiz - Set 14


1. The mechanical draught produces more draught than natural draught.
True
False

2. A sliding pair has a completely constrained motion.
Yes
No

3. The radial distance from the top of a tooth to the bottom of a tooth is called clearance.
True
False

4. The planes, which carry no shear stress, are known as principal planes.
True
False

5. A file with 50-60 teeth in 25 mm is called bastard file.
True
False

6. The piston slide valve is an inside admission valve.
Yes
No

7. There is a loss of heat in an irreversible process.
True
False

8. The bell crank levers used in railway signaling arrangement are of third type levers.
True
False

9. The volume per unit mass of a liquid is called specific volume.
Yes
No

10. D' Alembert's principle basically depends upon Newton's second law of motion.
Incorrect
Correct

11. Liquid fuels consist of hydrocarbons.
True
False

12. The minimum size of a billet is 10 cm × 10 cm.
Agree
Disagree

13. The hoop stress in a thick cylindrical shell is maximum at the inner radius.
True
False

14. The set screws are used to prevent relative motion between the two parts.
Correct
Incorrect

15. Laminar flow _________ place at very low velocities.
Takes
Does not take

16. Due to slip of belt, the velocity ratio of the belt drive increases.
Yes
No

17. The heating of a gas at constant pressure is governed by Charles' law.
True
False

18. The brake commonly used in motor cars is internal expanding brake.
True
False

19. By decreasing the highest temperature in the Carnot cycle, its efficiency is increased.
True
False

20. The density of air is same at different heights.
Correct
Incorrect

     Score =

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