MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Kinematics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
THE_INCLUDED_ANGLE_FOR_THE_V-BELT_IS_USUALLY?$ |
| A. | 10<sup>0</sup> to 20<sup>0</sup> |
| B. | 20<sup>0</sup> to 30<sup>0</sup> |
| C. | 30<sup>0</sup> to 40<sup>0</sup> |
| D. | 60<sup>0</sup> to 80<sup>0</sup> |
| Answer» D. 60<sup>0</sup> to 80<sup>0</sup> | |
| 2. |
In a multiple V-belt drive, if one of the belt is broken, then we should replac? |
| A. | the broken belt only |
| B. | all the belts |
| C. | the broken belt and the belts on either side of it |
| D. | none of the mentioned |
| Answer» C. the broken belt and the belts on either side of it | |
| 3. |
V-belts are usually used for |
| A. | long drives |
| B. | short drives |
| C. | long and short drives |
| D. | none of the mentioned |
| Answer» C. long and short drives | |
| 4. |
The centrifugal tension on the belt has no effect on the power transmitted. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
The velocity of the belt for maximum power is |
| A. | T/3 |
| B. | T.g/3 |
| C. | ‚àöT/3m |
| D. | ‚àö3m/T |
| Answer» D. ‚Äö√Ñ√∂‚àö‚Ć‚àö‚àÇ3m/T | |
| 6. |
The power transmitted by a belt is maximum when the maximum tension in the belt is __________of centrifugal tension. |
| A. | one-third |
| B. | two-third |
| C. | double |
| D. | three times |
| Answer» E. | |
| 7. |
When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the _________pulley must be taken into consideration. |
| A. | smaller |
| B. | larger |
| C. | medium |
| D. | none of the mentioned |
| Answer» B. larger | |
| 8. |
Due to slip of belt, the velocity ratio of the belt drive increases. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is constant, then |
| A. | open belt drive is recommended |
| B. | crossed belt drive is recommended |
| C. | both open belt drive and crossed belt drive is recommended |
| D. | the drive is recommended depending upon the torque transmitted |
| Answer» C. both open belt drive and crossed belt drive is recommended | |