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Theory of Machine

Theory of Machine
The number of links and instantaneous centers in a reciprocating engine mechanism are

4, 4
5, 4
4, 6
4, 5

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Theory of Machine
The secondary unbalanced force is maximum __________ in one revolution of the crank.

Four times
Two times
Sixteen times
Eight times

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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 example of rolling pair is

Bolt and nut
Lead screw of a lathe
Ball bearing and roller bearing
Ball and socket joint

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Theory of Machine
In a flat collar pivot bearing, the moment due to friction is proportional to

(r₁³ - r₂³)/(r₁² - r₂²)
(r₁³ - r₂³)/(r₁ - r₂)
(r₁² - r₂²)/(r₁ - r₂)
(r₁² - r₂²)/(r₁ + r₂)

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Theory of Machine
The sensitiveness of the governor _____ as the speed range decreases.

Increases
None of the listed here
Remains unaffected
Decreases

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MORE MCQ ON Theory of Machine

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