Mechanical Engineering Trivia Quiz

10 Questions | By Aaryem.rm | Last updated: Mar 21, 2022 | Total Attempts: 1766

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Mechanical Engineering Trivia quiz

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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.
- B.
- C.
- D.