MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
Fulcrum can be located at one end of the lever. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
A bottle opener belongs to which class of the levers. |
| A. | Effort in the middle |
| B. | Fulcrum in the middle |
| C. | Resistance in the middle |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
A right angled bell-crank is designed to raise a load of 5kN at short arm whose length is 100mm. Also longer arm is of length 500mm. If permissible bearing pressure on pin is 10N/mm² and diameter of the 20mm, find the shear stress in the pin. |
| A. | 8.12 |
| B. | 8.51 |
| C. | 9.12 |
| D. | 9.51 |
| Answer» B. 8.51 | |
| 4. |
A right angled bell-crank is designed to raise a load of 5kN at short arm whose length is 100mm. Also longer arm is of length 500mm. If permissible bearing pressure on pin is 10N/mm² and diameter of the 20mm, find the length of the pin. |
| A. | 35.5mm |
| B. | 25.5mm |
| C. | 20mm |
| D. | 30mm |
| Answer» C. 20mm | |
| 5. |
FULCRUM_CAN_BE_LOCATED_AT_ONE_END_OF_THE_LEVER.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
A bottle opener belongs to which class of the levers? |
| A. | Effort in the middle |
| B. | Fulcrum in the middle |
| C. | Resistance in the middle |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
How many classes of levers are there? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 8. |
A right angled bell-crank is designed to raise a load of 5kN at short arm whose length is 100mm. Also longer arm is of length 500mm. If permissible bearing pressure on pin is 10N/mm² and diameter of the 20mm, find the length of the pin.$ |
| A. | 35.5mm |
| B. | 25.5mm |
| C. | 20mm |
| D. | 30mm |
| Answer» C. 20mm | |
| 9. |
A right angled bell-crank is designed to raise a load of 5kN at short arm whose length is 100mm. Longer arm is of length 500mm. Calculate the reaction or force acting on the fulcrum. |
| A. | 5.1 |
| B. | 5.8 |
| C. | 6.1 |
| D. | 6.8 |
| Answer» B. 5.8 | |
| 10. |
The distance between fulcrum and dead weights is 100mm. Dead weights are of 2945.2N. An effort of 294.52N acts on the other hand. Find the distance between the fulcrum and other end of the lever. |
| A. | 1000mm |
| B. | 100mm |
| C. | 10mm |
| D. | 10000mm |
| Answer» C. 10mm | |
| 11. |
Leverage is the ratio of load arm to effort arm. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Mechanical advantage is the ratio of effort to load. |
| A. | True |
| B. | False |
| Answer» C. | |