Mechanical Engineering Trivia Quiz
10 Questions
| Total Attempts: 957
Mechanical Engineering Trivia quiz
Questions and Answers
- 1.The point, through which the whole weight of the body acts, irrespective of its position, is known as
- A.
A.moment of inertia
- B.
B.centre of gravity
- C.
C.centre of percussion
- D.
D.centre of mass
- 2.Which of the following is not a scalor quantity.
- A.
A.Force
- B.
B.Speed
- C.
C.Velocity
- D.
D.Accelaration
- 3.The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction in which the force acts. This statement is known as
- A.
Newton's First law of motion
- B.
Newton's second law of motion
- C.
Newton's Third law of motion
- D.
D.None of the above
- 4.In ideal machines, mechanical advantage is __________ velocity ratio.
- A.
A.equal to
- B.
B.less than
- C.
C.greater than
- D.
D.None of the above
- 5.The minimum force required to slide a body of weight W on a rough horizontal plane is
- A.
W sin θ
- B.
W Cos θ
- C.
W tan θ
- D.
None of the above
- 6.The moment of inertia of a square of side a about its diagonal is
- A.
A2/8
- B.
a3/12
- C.
a4/12
- D.
a4/16
- 7.The angular velocity (in rad / s) of a body rotating at N revolutions per minute is
- A.
πN/60
- B.
πN/180
- C.
2πN/60
- D.
2πN/180
- 8.The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body.
- A.
Equal to
- B.
Less than
- C.
Greater than
- 9.A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is
- A.
5
- B.
10
- C.
20
- D.
40
- 10.The maximum efficiency of a screw jack is
- A.
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- B.
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- C.
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- D.
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