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Theory of Machine

Theory of Machine
The Coriolis component of acceleration leads the sliding velocity by

90°
45°
135°
180°

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Theory of Machine
The Klein's diagram is useful to find

Displacement of various parts
Angular acceleration of various parts
Acceleration of various parts
Velocity of various parts

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Theory of Machine
The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left turn. The effect of gyroscopic couple acting on it will be

To raise the bow and lower the stern
To lower the bow and stern
To raise the stern and lower the bow
To raise the bow and stern

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Theory of Machine
One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where δ = Deflection of the spring)

1/2π. √(g/δ)
2π. √(g/δ)
1/2π. √(δ/g)
2π. √(δ/g)

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Theory of Machine
In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to

0.8
0.4
0.6
0.2

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Theory of Machine
The relation between number of pairs (p) forming a kinematic chain and the number of links (l) is

l = 2p - 2
l = 2p - 4
l = 2p - 5
l = 2p - 3

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MORE MCQ ON Theory of Machine

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