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Mechanical - 540 UNIT 3 Mass Weight Volume Density Speed - MCQ

1)   

What is the unit of mass? 

A.
B.
C.
D.
Answer: B
2)   

Volume is measured in: 

A.
B.
C.
D.
Answer: B
3)   

 Density is defined as:

A.
B.
C.
D.
Answer: C
4)   

 The SI unit of density is:

A.
B.
C.
D.
Answer: C
5)   

The formula for weight is:

A.
B.
C.
D.
Answer: B
6)   

Specific gravity is: 

A.
B.
C.
D.
Answer: B
7)   

Which of the following has no unit? 

A.
B.
C.
D.
Answer: B
8)   

If water has density 1000 kg/m³, what is the specific gravity of a substance with 500 kg/m³ density?

A.
B.
C.
D.
Answer: A
9)   

Speed is a: 

A.
B.
C.
D.
Answer: B
10)   

Unit of speed is: 

A.
B.
C.
D.
Answer: A
11)   

Velocity includes: 

A.
B.
C.
D.
Answer: D
12)   

A body is at rest when:

A.
B.
C.
D.
Answer: B
13)   

A car goes from 0 to 60 km/h in 5 seconds. What is the acceleration (in m/s²)? 

A.
B.
C.
D.
Answer: A
14)   

 Retardation means:

A.
B.
C.
D.
Answer: B
15)   

 A car travels 100 km in 2 hours. Its average speed is: 

A.
B.
C.
D.
Answer: B
16)   

Work is said to be done when:

A.
B.
C.
D.
Answer: B
17)   

 Which of the following is a scalar quantity?

A.
B.
C.
D.
Answer: D
18)   

The relation between work, force, and displacement:

A.
B.
C.
D.
Answer: C
19)   

The energy possessed by a body due to its height is: 

A.
B.
C.
D.
Answer: C
20)   

SI unit of acceleration: 

A.
B.
C.
D.
Answer: B
21)   

The quantity that determines motion direction is:

A.
B.
C.
D.
Answer: C
22)   

 If distance is constant, and time decreases, speed will: 

A.
B.
C.
D.
Answer: A
23)   

Work is a product of: 

A.
B.
C.
D.
Answer: B
24)   

Which of the following is not a form of mechanical energy? 

A.
B.
C.
D.
Answer: C
25)   

Work is not done when: 

A.
B.
C.
D.
Answer: C