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Theory of Machine

Theory of Machine
Cross head and guides form a

Sliding pair
Higher pair
Turning pair
Lower pair

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

0, 0
0, and less than coV
cor, 0
0, and more than co2r

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Theory of Machine
The partial balancing of reciprocating parts in locomotives produces

All of these
Swaying couple
Hammer blow
Variation in tractive force along the line of stroke

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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

600°K
625°K
700°K
650°K

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Theory of Machine
Which type of gearing is used in steering system of an automobile?

Spiral gears
None of the listed here
Rack and pinion
Worm and wheel

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Theory of Machine
Balancing of rotating and reciprocating parts of an engine is necessary when it runs at

Moderate speed
Highs peed
Any one of these
Slow speed

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