Q. Auto frettage is a
✅ Correct Answer: (B)
a means of inducing favourable residual stresses in pressure vessels
Machine Design MCQs | Page - 6
Dear candidates you will find MCQ questions of Machine Design here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. In a standard coarse thread bolt the stress concentration is maximum at
✅ Correct Answer: (C)
Root
Q. In case of worm and worm-wheel the maximum efficiency is obtained when
✅ Correct Answer: (C)
Either of the worm or worm wheel is a driver
Q. When properly made, a butt weld has the strength equal to
✅ Correct Answer: (D)
The strength of the welded plates
Q. In case of steels, as the percentage of carbon content increases
✅ Correct Answer: (A)
Percentage elongation decreases
Q. At the first critical speed a shaft will
✅ Correct Answer: (B)
Bend to the simplest shape possible
Q. In order to reverse the direction of rotation of a 3-phase induction motor
✅ Correct Answer: (D)
Any two phases should be interchanged
Q. The basic hole is one which has
✅ Correct Answer: (B)
Lower deviation as zero
Q. In a Vee belt the angle between the sides is
✅ Correct Answer: (D)
40?
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