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MCQ - Mechanical TNPSC JTO
JTO - 540 - Trade - Workshop Calculation Science - 540 UNIT 3 Mass Weight Volume Density Speed

76)   

A body is in uniform motion if:

A.
B.
C.
D.
Answer: B
77)   

The speed of an object is the: 

A.
B.
C.
D.
Answer: A
78)   

The total mechanical energy in ideal case is:

A.
B.
C.
D.
Answer: C
79)   

Energy stored in a raised object is:

A.
B.
C.
D.
Answer: C
80)   

When a body falls freely, total mechanical energy:

A.
B.
C.
D.
Answer: C
81)   

A freely falling object has:

A.
B.
C.
D.
Answer: C
82)   

If displacement is zero, work done is:

A.
B.
C.
D.
Answer: C
83)   

Horse Power is used to measure: 

A.
B.
C.
D.
Answer: D
84)   

The device used to measure power:

A.
B.
C.
D.
Answer: A
85)   

The unit for potential energy is:

A.
B.
C.
D.
Answer: C
86)   

The power of an engine is rated in:

A.
B.
C.
D.
Answer: B
87)   

Power is the rate of:

A.
B.
C.
D.
Answer: A
88)   

A spring has what type of energy when compressed?

A.
B.
C.
D.
Answer: B
89)   

What is the efficiency if input = 100 J and output = 60 J? 

A.
B.
C.
D.
Answer: A
90)   

The energy possessed by a body due to motion is: 

A.
B.
C.
D.
Answer: A
91)   

The energy possessed due to height is

A.
B.
C.
D.
Answer: A
92)   

1 HP =

A.
B.
C.
D.
Answer: C
93)   

Power can be increased by:

A.
B.
C.
D.
Answer: C
94)   

Which factor does not affect kinetic energy?

A.
B.
C.
D.
Answer: B
95)   

Work is a product of:

A.
B.
C.
D.
Answer: B
96)   

 If no displacement occurs, then work is:

A.
B.
C.
D.
Answer: C
97)   

The energy unit used in electricity bills is:

A.
B.
C.
D.
Answer: B
98)   

Motion is measured in terms of: 

A.
B.
C.
D.
Answer: B
99)   

The formula for speed is:

A.
B.
C.
D.
Answer: A
100)   

Work is measured in:

A.
B.
C.
D.
Answer: B