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Theory of Machine

Theory of Machine
A point on a link connecting double slider crank chain traces a

Hyperbola
Parabola
Ellipse
Circle

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Theory of Machine
The example of lower pair is

Straight line motion mechanisms
All of these
Automobile steering gear
Shaft revolving in a bearing

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Theory of Machine
In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is

Less than sum of other two
Greater than sum of other two
Equal to sum of other two
There is no such relationship

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

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

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Theory of Machine
Balancing of rotating and reciprocating parts of an engine is necessary when it runs at

Moderate speed
Any one of these
Slow speed
Highs peed

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Theory of Machine
In higher pair, the relative motion is

Combination of sliding and turning
Purely turning
Purely rotary
Purely sliding

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MORE MCQ ON Theory of Machine

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