Common Mechanical Comprehension Practice Test 4

Question – 1

1. At high altitudes ______ power is required by a compressor.

Question – 2

2. ________ bodies rebound after impact.

Question – 3

3. If a car moves with a constant speed around a circular track, then the acceleration will be ________.

Question – 4

4. Hardness of steel can be increased by adding ______.

Question – 5

5. In a cyclic process which is not reversible, the entropy _________.

Question – 6

6. The speed of a car increases when it rolls down the hill. This is because,

Question – 7

7. The kinetic energy of a moving object can be calculated using the formula

Question – 8

8. The temperature and volume of a gas ________ when it is heated at constant pressure.

Question – 9

9. In a refrigerator, when frost is formed on cooling coils __________.

Question – 10

i. Stresses can be relieved
ii. Materials can be softened
iii. Steel can be hardened
iv. Characteristics of a machine can be improved

Question – 11

11. The molecules in a fluid are attracted due to which among the following properties?

Question – 12

12. The potential energy of an object can be calculated using the formula _______.

Question – 13

13. When temperature is increased, the thermal conductivity of water ______.

Question – 14

14. A ________ tool is used on broaching machines and milling machines.

Question – 15

15. A _________ is a fixed position layout.