Machine Design Questions and Answers – Belt Drives

This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on “Belt Drives”.

1. Belt, chain and rope are called rigid drives.
a) True
b) Belt is a flexible drive only
c) All three are flexible drives
d) None of the listed
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2. In flexible drives, rotary motion of driving shaft is directly converted to rotary motion of driven shafts
a) Yes
b) No, translator motion is involved
c) No, Cylindrical motion is involved
d) No, Parabolic motion is involved
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3. Flexible drive can absorb shock loads and damp vibrations.
a) True
b) No
c) Depends on the load applied
d) Doesn’t damp vibrations
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4. Velocity ratio in both flexible and rigid drive is constant.
a) True
b) False
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5. Is there any worry for overloading conditions in flexible belt drives?
a) Yes
b) No
c) Only after a particular threshold limit
d) Depends on external factrors
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6. V belts have v shaped cross section.
a) No, rectangular
b) No, trapezium
c) No, circular
d) No, spherical
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7. The force of friction between belt and V grooved pulley is high.
a) Yes, supported by wedge action
b) No
c) There is no wedge action involved
d) None of the listed
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8. V belts result in smooth and quite operation even at high speeds.
a) Yes
b) No they are very noisy
c) They are not endless and hence not smooth motion
d) None of the listed
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9. The efficiency of flat belt drive is 35%. If all the parameters are same and flat belt is replaced by V belt, than the efficiency of V belt will be?
a) <35%
b) >35%
c) =35%
d) Cant be determined
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10. There is problem of bending stress in the V belt drive.
a) True
b) False
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Sanfoundry Global Education & Learning Series – Machine Design.
To practice all areas of Machine Design, here is complete set of 1000+ Multiple Choice Questions and Answers.