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Objective Questions
Engineering
Mechanical
ME Set-1
Theory of Machines
361

Theory of Machines MCQ with Answers

361) When the two elements of a pair have __________ when in motion, it is said to a lower pair.

line or point contact

surface contact

zero contact none of these

none of these

Answer is:

surface contact

Theory of Machines MCQ with Answers

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Related Theory of Machines MCQ with Answers

363) The ratio of maximum fluctuation of energy to the workdone per cycle is called

fluctuation of energy

maximum fluctuation of energy

coefficient of fluctuation of energy

none of these

Answer is:

coefficient of fluctuation of energy

364) In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam lap and the angle of advance of the eccentric but keeping constant the travel and lead of the valve, This method will

cause withdrawing or throttling of steam

reduce length of effective stroke of piston

reduce maximum opening of port to steam

all of these

Answer is:

reduce maximum opening of port to steam

365) The centre of suspension and centre of percussion are not interchangeable.

Correct

Incorrect

Answer is:

Incorrect

366) The size of cam depends upon

base circle

pitch circle

prime circle

pitch curve

Answer is:

base circle

Theory of Machines MCQ with Answers

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