Machine Design MCQ with Answers

Machine Design MCQ with Answers

391) The stress which vary from a minimum value to a maximum value of the same nature (i.e. tensile or compressive) is called

Answer is:

fluctuating stress

392) When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be

Answer is:

1.57 d

393) The pressure angle for involute gears depends upon the size of teeth.

Answer is:

Disagree

394) When a belt drive is transmitting maximum power,

Answer is:

driving tension on tight side is twice the centrifugal tension

395) Gears are casted by

Answer is:

permanent mould casting

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