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Theory of Machine

Theory of Machine
If two moving elements have surface contact in motion, such pair is known as

Sliding pair
Rolling pair
Surface pair
Higher pair

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Theory of Machine
The frequency of oscillation of a compound pendulum is

2π. √[gh/(kG² + h²)]
2π. √[(kG² + h²)/gh]
(1/2π). √[gh/(kG² + h²)]
(1/2π). √[(kG² + h²)/gh]

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Theory of Machine
In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be

Slightly more than 45 mm
45 mm
Slightly less than 45 mm
95 mm

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Theory of Machine
A rotary internal combustion engine has __________ cylinders.

Four
Five
Seven
Six

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Theory of Machine
Which of the following is an open pair?

Journal bearing
Ball and socket joint
Lead screw and nut
Cam and follower

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Theory of Machine
Klein's construction can be used to determine acceleration of various parts when the crank is at

Right angles to the link of the stroke
All of the listed here
Inner dead centre
Outer dead centre

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