76) In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft)

Answer is:

3.5 d

Machine Design MCQ with Answers

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77) In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear.

Answer is:

left hand

78) A connecting rod is designed as a

Answer is:

strut

Explanation:

A structural member, subjected to an axial compressive force, is called a strut. A strut may be horizontal, inclined or even vertical. But a vertical strut, used in buildings or frames, is called a column.
A connecting rod is designed as a strut.