Theory-of-machines Questions Set 32:
The cam and follower without a spring forms a
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For an involute gear, what is the ratio of base circle radius and pitch circle radius?
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When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a
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In a single slider crank mechanism, if the crank is grounded, the resulting mechanism is a/an:
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In a reciprocating steam engine, which of the following forms a kinematic link?
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When the frequency ratio (ω/ωn) is greater than unity, the phase angle decreases as the damping factor increases.
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Which of the following is an example of a turning pair?
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What is the maximum fluctuation of speed?
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In a 4-Stroke Engine, the turning moment (torque) is not equal at every point during the cycle. Which of the following is correct about the turning moment during the compression stroke?
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For a vertical cylinder, the diameter of the piston is 60 mm and the mass of the reciprocating parts is 1.5 kg. At a point during the power stroke when the piston has moved from the top dead center, the force due to gas pressure on the piston is 3 kN. If the acceleration force is 2 kN acting upward and the angle between the connecting rod and the vertical is 10°, find the thrust in the connecting rod (up to 2 decimal places).
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