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. |
The centrifugal clutches are used in light duty vehicles and not in heavy duty vehicles. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Chain saws, lawnmowers, golf carts etc. never use centrifugal clutches. |
| A. | True |
| B. | No, it is highly used |
| C. | Depends on the load required |
| D. | None of the listed |
| Answer» C. Depends on the load required | |
| 3. |
In a centrifugal clutch, when the centrifugal force is slightly more than the spring force, shoe begins to move in a radially inward direction. |
| A. | Radially outwards |
| B. | Radially upwards |
| C. | Radially downwards |
| D. | Radially inwards |
| Answer» B. Radially upwards | |
| 4. |
Centrifugal clutches are not recommended for IC engine applications. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
A cone clutch transmits 24kW at 490rpm. The coefficient of friction is 0.2 and allowable intensity of pressure is 0.35N/mm . The semi cone angle is 12 . The outer diameter is fixed as 310mm.Assuming uniform wear theory; calculate force required to engage clutch. |
| A. | 3546.9N |
| B. | 2231.5N |
| C. | 3241.5N |
| D. | 4354.5N |
| Answer» D. 4354.5N | |
| 6. |
A cone clutch transmits 24kW at 490rpm. The coefficient of friction is 0.2 and allowable intensity of pressure is 0.35N/mm . The semi cone angle is 12 . The outer diameter is fixed as 310mm.Assuming uniform wear theory; find the face width of friction lining. |
| A. | None of the listed |
| B. | 48.1mm |
| C. | 52.2mm |
| D. | 56.8mm |
| Answer» C. 52.2mm | |
| 7. |
A cone clutch transmits 24kW at 490rpm. The coefficient of friction is 0.2 and allowable intensity of pressure is 0.35N/mm . The semi cone angle is 12 . The outer diameter is fixed as 310mm.Assuming uniform wear theory; find the inner diameter. |
| A. | 275mm |
| B. | 300mm |
| C. | 290mm |
| D. | 280mm |
| Answer» C. 290mm | |
| 8. |
A cone clutch transmits 24kW at 490rpm. The coefficient of friction is 0.2 and allowable intensity of pressure is 0.35N/mm . The semi cone angle is 12 . The outer diameter is fixed as 310mm.Assuming uniform wear theory; find the maximum torque which is transmitted. |
| A. | 502.4N-m |
| B. | 542.3N-m |
| C. | 467.72N-m |
| D. | 454.5N-m |
| Answer» D. 454.5N-m | |
| 9. |
A cone clutch with a small semi cone angle requires a relatively large force to engage and small force to disengage. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
When semi vertical angle is greater than angle of static friction, clutch results in self-engagement. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
The torque transmitting capacity of cone clutch increases as its semi vertical angle increase. |
| A. | True |
| B. | Decreases |
| C. | Remains constant |
| D. | None of the listed |
| Answer» C. Remains constant | |
| 12. |
Power is transmitted only by key and friction in the cone clutch. |
| A. | Only by spline |
| B. | By key, spline and friction |
| C. | By friction only |
| D. | By key only |
| Answer» C. By friction only | |
| 13. |
A cone clutch consists of inner conical surface and outer cylindrical surface. |
| A. | Both cylindrical |
| B. | Both conical |
| C. | Outer conical and inner cylindrical |
| D. | True |
| Answer» C. Outer conical and inner cylindrical | |