Mechanical Engineering · all questions

Theory Of Machine
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Q341

In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to

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Q342

Transmission of power from the engine to the rear axle of an automobile is by means of

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Q343

The ratio of the driving tensions for V-belts is __________ times that of flat belts.
(Where β = Semi-angle of the groove)

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Q344

In an open pair, the two elements of a pair

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Q345

In a single slider crank chain

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Q346

The motion between a pair when limited to a definite direction, irrespective of the direction of force applied, is known as

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Q347

The primary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is

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Q348

The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is

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Q349

In elliptical trammels

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Q350

The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap.

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Q351

The behaviour of gases can be fully determined by

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Q352

An engine operates between temperatures of 900K and T₁ and another engine between T₂ and 400K. For both to do equal work, value of T₂ will be

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Q353

A watt's governor can work satisfactorily at speeds from

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Q354

The mechanism forms a structure, when the number of degrees of freedom (n) is equal to

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Q355

The centre of gravity of a coupler link in a four bar mechanism will experience

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Q356

Instantaneous center of rotation of a link in a four bar mechanism lies on

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Q357

The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be

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Q358

When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a

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Q359

The ratio of the number of teeth to the pitch circle diameter in millimeters, is called

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Q360

Which of the following mechanism is an approximate straight line motion mechanism?

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