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THEORY OF MACHINE

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

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Theory of Machine
A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to

I₂/G²
I₂/G
G.I₂
G².I₂

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Theory of Machine
A body having moment of inertia o:m2 is rotating at 210 RPM and r with another body at rest having I 40 kg m2. The resultant speed after ing will be

100 RPM
90 RPM
data are insufficient
80 RPM

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Theory of Machine
When one of the links of a kinematic chain is fixed, the chain is known as a

Inversion
Structure
Machine
Mechanism

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Theory of Machine
The example of completely constrained motion is a

Motion of a shaft with collars at each end in a circular hole
All of these
Motion of a square bar in a square hole
Motion of a piston in the cylinder of a steam engine

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