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Theory of Machine

Theory of Machine
In S.H.M., the velocity vector w.r.t. displacement vector

Leads by 180°
Are in phase
Leads by 90°
Lags by 90°

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Theory of Machine
The length of a simple pendulum which gives the same frequency as the compound pendulum, is

(kG + l₁²)/ l₁
kG + l₁
kG² + l₁
(kG² + l₁²)/ l₁

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Theory of Machine
The swaying couple is due to the

Two cylinders of locomotive
Partial balancing
Primary unbalanced force
Secondary unbalanced force

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Theory of Machine
The Whitworth quick return motion mechanism is formed in a slider crank chain when the

Slider is a fixed link
Coupler link is fixed
Longest link is a fixed link
Smallest link is a fixed link

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Theory of Machine
The cam follower generally used in aircraft engines is

Roller follower
Spherical faced follower
Flat faced follower
Knife edge follower

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Theory of Machine
The primary unbalanced force is maximum _________ in one revolution of the crank.

Sixteen times
Twice
Four times
Eight times

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