MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
Which among regular lay and Lang lay are popular? |
| A. | Regular Lay |
| B. | Lang Lay |
| C. | Both are equally used |
| D. | Can t be stated |
| Answer» B. Lang Lay | |
| 2. |
If the wires in the strand are twisted in the same direction as the strands, then rope is called a _____ lay rope. |
| A. | Lang |
| B. | Regular Lay |
| C. | Ordinary |
| D. | None of the listed |
| Answer» B. Regular Lay | |
| 3. |
Wire rope is specified as 8 10. Calculate the number of steel wires in each strand. |
| A. | 10 |
| B. | 20 |
| C. | 5 |
| D. | 8 |
| Answer» B. 20 | |
| 4. |
Wire rope specified as 8 10. Calculate the number of strands. |
| A. | 8 |
| B. | 10 |
| C. | 16 |
| D. | 20 |
| Answer» B. 10 | |
| 5. |
Wire ropes have |
| A. | High strength to weight ratio |
| B. | Solent operation even at high velocities |
| C. | Greater reliability |
| D. | All of the mentioned |
| Answer» E. | |
| 6. |
If magnitude of contact pressure between sealing lip and rotating shaft is very high then |
| A. | There is excessive friction |
| B. | High temperature |
| C. | Rapid wear |
| D. | All of the listed |
| Answer» E. | |
| 7. |
Which of the following isn t true about oil seals? |
| A. | Cheap |
| B. | Can be used over a wide range of lubricating oils |
| C. | Can t tolerate misalignment |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 8. |
Does oil seal consist of any spring in its structure? |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 9. |
An oil seal is a mechanical device made of elastic material which is used to prevent leakage of fluid between two machine components. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Class 1 pressure vessels are used to contain |
| A. | Lethal substances |
| B. | Light duties applications |
| C. | None of the listed |
| D. | LPG |
| Answer» B. Light duties applications | |
| 11. |
An unfired pressure vessel is used to carry stem, gases or fluids at pressure |
| A. | Less than atmospheric pressure |
| B. | Greater than atmospheric pressure |
| C. | Equal to atmospheric pressure |
| D. | None of the mentioned |
| Answer» C. Equal to atmospheric pressure | |