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Theory of Machine

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

None of these
Exist
Depend on position of crank
Not exist

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Theory of Machine
Hart mechanism has

Twelve links
Eight links
Six links
Four links

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Theory of Machine
A mechanism consisting of four links is called a __________ mechanism.

Compound
None of these
Binary
Simple

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Theory of Machine
The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to

0° and 90°
270° and 360°
90° and 180°
135° and 315°

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Theory of Machine
A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by

W CS / 2CE
W CE / CS
2 W CE / CS
W CE / 2CS

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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
0.6
0.4
0.2

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