Dynamics of Machinery (3151911) MCQs

MCQs of Dynamic force analysis of mechanisms

Showing 21 to 30 out of 33 Questions
1 2 3 4
21.

Inertia forces on the reciprocating parts act along the line of stroke.

(a)

True
(b)

False
Answer:

Option (a)

22.

When the mass of the reciprocating parts is neglected then the inertia force is _____.

(a)

maximum
(b)

minimum
(c)

0
(d)

not defined
Answer:

Option (c)

23.

The torque due to the weight of the connecting rod affects the torque due to the connecting rod.

(a)

True
(b)

False
Answer:

Option (b)

24.

Which of the following is incorrect regarding inertia force?

(a)

Imaginary force
(b)

Acts upon a rigid body
(c)

Brings the body to equilibrium
(d)

Same direction as of accelerating force
Answer:

Option (d)

25.

Inertia torque acts in the same direction as the accelerating couple?

(a)

True
(b)

False
Answer:

Option (b)

26.

If a force has a line of action at a distance h from the center of gravity, then the value of h is given by _____.

(a)

I. α/F
(b)

I. α/m.g
(c)

I/m.k
(d)

m.k/I
Answer:

Option (a)

27.

In the expression F – m.a = 0, the term – m.a is called _______.

(a)

reversed effective force
(b)

net force
(c)

Coriolis force
(d)

resultant force
Answer:

Option (a)

28.

Why does the inertia torque act in the opposite direction to the accelerating couple?

(a)

Bring the body into equilibrium
(b)

To reduce the accelerating torque
(c)

Acts as a constraint torque
(d)

Increase the linear acceleration
Answer:

Option (a)

29.

A body remains in equilibrium if ________.

(a)

inertia force is applied in the same direction to the resultant force
(b)

inertia force is applied in the direction opposite to the resultant force
(c)

inertia force is applied in the direction perpendicular to the resultant force
(d)

inertia force is applied in the direction Parallel to the resultant force
Answer:

Option (b)

30.

Inertia force and the reversed effective force are the same.

(a)

True
(b)

False
Answer:

Option (a)

Showing 21 to 30 out of 33 Questions
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