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ME Set-1
Machine Design
389

Machine Design MCQ with Answers

389) The stretching in a belt can be controlled by __________ the stress in the belt.

reducing

increasing

remains same

none of these

Answer is:

reducing

Machine Design MCQ with Answers

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Related Machine Design MCQ with Answers

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

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

Machine Design MCQ with Answers

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