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Theory of Machine

Theory of Machine
In a shaper mechanism, the Coriolis component of acceleration will

Depend on position of crank
Exist
None of these
Not exist

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

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Theory of Machine
In a system subjected to damped forced vibrations, the ratio of maximum displacement to the static deflection is known as

Logarithmic decrement
Critical damping ratio
Magnification factor
Damping factor

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Theory of Machine
The mechanism consisting of three turning pairs and one sliding pair, is called a

Single slider crank chain
Whitworth quick return motion mechanism
Crank and slotted lever quick return motion mechanism
All of these

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Theory of Machine
If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the latter at the same speed will be

Four times the first one
Same as the first one
One and a half times the first one
One fourth of the first one

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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
G².I₂
G.I₂

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