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

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Theory of Machine
When the belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the

Sum of the tensions on the tight side and slack side of the belt
Tension in the tight side of the belt
Tension in the slack side of the belt
Average tension of the tight side and slack side of the belt

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