Theory Of Machine MCQ Questions & Answers

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Each section contains 100 MCQs on Theory of Machine .

In involute gears, the pressure angle is

A) Dependent on the size of teeth B) Dependent on the size of gears C) Always constant D) Always variable

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

In order to balance the reciprocating masses,

A) Primary forces and couples must be balanced B) Secondary forces and couples must be balanced C) Both (A) and (B) D) None of these

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The ratio of maximum fluctuation of energy to the work-done per cycle is called

A) Fluctuation of energy B) Maximum fluctuation of energy C) Coefficient of fluctuation of energy D) None of these

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which of the following statement is correct for involute gears?

A) The interference is inherently absent. B) The variation in centre distance of shafts increases radial force. C) A convex flank is always in contact with concave flank. D) The pressure angle is constant throughout the teeth engagement.

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a

A) Lower pair B) Higher pair C) Self-closed pair D) Force-closed pair

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The relation between number of pairs (p) forming a kinematic chain and the number of links ($$l$$) is

A) $$l$$ = 2p - 2 B) $$l$$ = 2p - 3 C) $$l$$ = 2p - 4 D) $$l$$ = 2p - 5

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Relationship between the number of links (L) and number of pairs (P) is

A) P = 2L - 4 B) P = 2L + 4 C) P = 2L + 2 D) P = 2L - 2

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The two elements of a pair are said to form a higher pair, when they

A) Have a surface contact when in motion B) Have a line or point contact when in motion C) Are kept in contact by the action of external forces, when in motion D) Permit relative motion

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Peaucellier’s mechanism has

A) Eight links B) Six links C) Four links D) Twelve links

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The brake commonly used in railway trains is

A) Shoe brake B) Band brake C) Band and block brake D) Internal expanding brake

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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Theory Of Machine MCQ Questions & Answers | Mechanical Engineering