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Theory of Machine

Theory of Machine
In a rigid link OA, velocity of 'A' w.r.t. 'O' will be

At 45° to OA
Along AO
Parallel to OA
Perpendicular to OA

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Theory of Machine
The velocity of the belt for maximum power is (where m = Mass of the belt in kg per meter length)

√(3m/T)
T/3
(T.g)/3
√(T/3m)

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Theory of Machine
The brake commonly used in railway trains is

Band and block brake
Shoe brake
Band brake
Internal expanding brake

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Theory of Machine
The Ackermann steering mechanism is preferred to the Davis type in automobiles because

The former is most rigid
The former is having turning pair
The former is most economical
The former is mathematically accurate

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Theory of Machine
The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be

To raise the nose and tail
To dip the nose and tail
To dip the nose and raise the tail
To raise the nose and dip the tail

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Theory of Machine
Which of the following mechanism is an approximate straight line motion mechanism?

Watt's mechanism
All of these
Robert's mechanism
Grasshopper mechanism

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MORE MCQ ON Theory of Machine

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