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Theory of Machine

Theory of Machine
An automobile steering gear is an example of

Sliding pair
Rolling pair
Lower pair
Higher pair

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Theory of Machine
The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is

3π Hz
6 Hz
6π Hz
3 Hz

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Theory of Machine
An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the

Tip of the pinion and flank of gear
Flanks of both gear and pinion
Tip of both gear and pinion
Tip of the gear tooth and flank of pinion

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Theory of Machine
The radial distance of a tooth from the pitch circle to the bottom of the tooth is called

Working depth
Dedendum
Addendum
Clearance

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Theory of Machine
In involute gears, the pressure angle is

Always variable
Dependent on the size of gears
Always constant
Dependent on the size of teeth

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Theory of Machine
When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than

0.25
0.5
2
1

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