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Theory of Machine

Theory of Machine
A cam with a roller follower would constitute following type of pair

Higher pair
Close pair
Open pair
Lower pair

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Theory of Machine
The relation between number of links (l) and number of joints (j) in a kinematic chain is

l = (2/3).(j + 2)
l = (3/4).(j + 3)
l = j + 4
l = (1/2).(j + 2)

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Theory of Machine
The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap.

None of these
Inner edge
Corners
Outer edge

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Theory of Machine
A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is

529.2 N-s/m
18.52 N-s/m
1.4 N-s/m
52.92 N-s/m

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Theory of Machine
The mechanism in which two are turning pairs and two are sliding pairs, is called a

Elliptical trammel
Double slider crank chain
Scotch yoke mechanism
All of these

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Theory of Machine
Which of the following is an inversion of a single slider crank chain?

Pendulum pump
All of these
Rotary internal combustion engine
Oscillating cylinder engine

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