Machine Design MCQ with Answers

Machine Design MCQ with Answers

301) While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as

Answer is:

one end fixed and the other end free

302) When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is

Answer is:

bending stress only

303) In a journal bearing, the load on the bearing is __________ to the axis of the journal.

Answer is:

perpendicular

In a journal bearing, the load on the bearing is __________ to the axis of the journal.

304) An imaginary circle which by pure rolling action gives the same motion as the actual gear, is called

Answer is:

pitch circle

305) When the frictional force helps to apply the brake, then the brake is said to be self-energizing brake.

Answer is:

Correct

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