MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Design knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
There is problem of bending stress in the V belt drive. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
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 |
| Answer» B. >35% | |
| 3. |
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 |
| Answer» B. No they are very noisy | |
| 4. |
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 |
| Answer» B. >35% | |
| 5. |
There_is_problem_of_bending_stress_in_the_V_belt_drive.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
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 |
| Answer» B. No they are very noisy | |
| 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 |
| Answer» B. No | |
| 8. |
V belts have v shaped cross section. |
| A. | No, rectangular |
| B. | No, trapezium |
| C. | No, circular |
| D. | No, spherical |
| Answer» C. No, circular | |
| 9. |
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 |
| Answer» C. Only after a particular threshold limit | |
| 10. |
Velocity ratio in both flexible and rigid drive is constant. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
Flexible drive can absorb shock loads and damp vibrations. |
| A. | True |
| B. | No |
| C. | Depends on the load applied |
| D. | Doesn’t damp vibrations |
| Answer» B. No | |
| 12. |
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 |
| Answer» C. No, Cylindrical motion is involved | |
| 13. |
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 |
| Answer» C. All three are flexible drives | |