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Mechanical Engineering : Engineering Mechanics - Quiz(MCQ)
Work done is said to be zero, when
A)
Some force acts on a body, but displacement is zero
B)
No force acts on a body but some displacement takes place
C)
Both (A) and (B)
D)
None of the above

Correct Answer : Option (C) :   Both (A) and (B)

Recently Updated in Engineering Mechanics Questions
The coefficient of restitution for elastic bodies is one.
A)
Correct
B)
Incorrect
C)
Both (A) and (B)
D)
Neither (A) nor (B)

Correct Answer :   Incorrect

Explanation : Coefficient of restitution for elastic bodies is 0 - 1.

Coefficient of restitution for perfect elastic bodies is 1.

Which of the following type of screws is used in the machines?
A)
Round-threaded
B)
Helical-threaded
C)
Square-threaded
D)
Rectangle-threaded

Correct Answer :   Square-threaded

Explanation : In the machines, square threaded screws are employed. Because screws are commonly employed as fasteners. The fundamental benefit of screws is that the friction aids in the structure’s retention. Screws also aid in the fast and efficient joining of the structure.

The term 'force' may be defined as an agent which produces or tends to produce, destroys or tends to destroy motion.
A)
Agree
B)
Disagree
C)
Both (A) and (B)
D)
None of the above

Correct Answer :   Agree

Mechanical Engineering MCQ's

Theory of Machines
Engineering Mechanics
Machine Design
Strength of Materials
Engineering Materials
Hydraulic Machines
Thermodynamics
Engineering Drawing
Workshop Technology
Automobile Engineering
Steam Boilers and Engines
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