Theory of Machines MCQ Questions Answers Mechanical Engineering


11) A universal joint an example of

a) lower pair

b) higher pair

c) rolling pair

d) sliding pair

View Answer
Option – a)

12)Automobile steering gear is an example of

(a) higher pair

(b) sliding pair

(c) turning pair

(d) rotary pair

(e) lower pair.

View Answer
Option – e)

13)Ackermann steering gear consists of

(a) sliding pairs

(b) turning pairs

(c) rolling pairs

(d) higher pairs

(e) lower pairs.

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Option – b)

14) Which of these mechanisms gives an approximately straight line ?

a) Hart

b) Watt

c) Paucellier

d) Kempe

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Option – b)

15) The Davis steering gear fulfills the condition of correct gearing at

a) two positions

b) three positions

c) all positions

d) one positions

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Option – c)

16) The cam size depends upon

a) pitch circle

b) base circle

c) prime circle

d) operating speed of the cam

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Option – b)

17) The cam follower used in automobile engines is

a) roller

b) flat faced

c) spherical faced

d) knife edged

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Option – c)

18) Which of the following motion of cam roller follower leads to the lowest jerk ?

a) Uniform

b) Simple harmonic

c) Cycloidal

d) Parabolic

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Option – b)

19) The contact ratio of gears is always

a) more than one

b) one

c) less than one

d) zero

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Option – a)

20) The size of Gear is specified by

a) Circular pitch

b) Diametral pitch

c) Module

d) All of the above

View Answer
Option – d)