390) The distribution of the forces along the length of key fitted in a shaft

varies linearly

is uniform throughout

varies exponentially, being more near the torque-input end

varies exponentially, being less near the torque-input end

Answer is:

varies exponentially, being more near the torque-input end

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

repeated stress

yield stress

fluctuating stress

alternating stress

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

0.8 d

1.2 d

1.57 d

1.8 d

Answer is:

1.57 d

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

Agree

Disagree

Answer is:

Disagree

394) When a belt drive is transmitting maximum power,

effective tension is equal to centrifugal tension

effective tension is half of centrifugal tension

driving tension on slack side is equal to centrifugal tension

driving tension on tight side is twice the centrifugal tension

Answer is:

driving tension on tight side is twice the centrifugal tension

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390) The distribution of the forces along the length of key fitted in a shaft

varies exponentially, being more near the torque-input end

Machine Design MCQ with Answers

Related 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

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

1.57 d

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

Disagree

394) When a belt drive is transmitting maximum power,

driving tension on tight side is twice the centrifugal tension

Machine Design MCQ with Answers