Machine Design MCQ with Answers

Machine Design MCQ with Answers

476) Lewis form factor for the 20 Degree full depth involute system is equal to 0.154 - 0.841/T.

Answer is:

Correct

477) The railway carriage couplings have

Answer is:

knuckle threads

478) A shaft is subjected to

Answer is:

all of these

Explanation:

A shaft is subjected to
* bending stresses
* shear stresses
* combined bending and shear stresses

479) When the lubricant is forced between the journal and the bearing by external pressure, the bearing is called hydrostatic lubricated bearing.

Answer is:

Agree

480) The buttress threads have low frictional resistance characteristic of the square threads and have the same strength of V-threads.

Answer is:

Yes

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