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Engineering
Mechanical
ME Set-1
Theory of Machines
386

Theory of Machines MCQ with Answers

386) The primary unbalanced force of reciprocating masses is inversely proportional to the crank radius.

Yes

No

Unknown

None

Answer is:

No

Theory of Machines MCQ with Answers

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Related Theory of Machines MCQ with Answers

388) In an open pair, the two elements of a pair

have a surface contact when in motion

have a line or point contact when in motion

are kept in contact by the action of external forces, when in motion

are not held together mechanically

Answer is:

are not held together mechanically

389) The secondary unbalanced force is __________ the primary unbalanced force.

one-half

two-third

n times

1/n times

Answer is:

1/n times

390) The Ackerman steering gear mechanism is preferred to the Davis steering gear mechanism, because

whole of the mechanism in the Ackerman steering gear is on the back of the front wheels

the Ackerman steering gear consists of turning pairs

the Ackerman steering gear is most economical

whole of the mechanism in the Ackerman steering gear is on the back of the front wheels and the Ackerman steering gear consists of turning pairs

Answer is:

whole of the mechanism in the Ackerman steering gear is on the back of the front wheels and the Ackerman steering gear consists of turning pairs

391) The two links are said to have a pure rolling contact, when their instantaneous centre __________ on their point of contact.

lies

does not lie

zero

none of these

Answer is:

lies

Theory of Machines MCQ with Answers

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