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Theory of Machine

Theory of Machine
For fluctuating loads, well suited bearing is

Thrust bearing
Needle roller bearing
Roller bearing
Ball bearing

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Theory of Machine
An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be

700°K
625°K
600°K
650°K

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Theory of Machine
________ is an inversion of Double slider crank chain.

Reciprocating engine
Hand pump
Coupling rod of a locomotive
Scotch yoke mechanism

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

180° and 360°
0° and 180°
0° and 90°
90° and 180°

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Theory of Machine
Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is

20
34
30
10

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Theory of Machine
The motion between a pair which takes place in ____ is known as incompletely constrained motion.

None of the listed here
More than one direction
Two directions only
One direction only

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