MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Dynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Hammer blow is along the line of stroke of the unbalanced force. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Hammering action on the rails is caused by _______ |
| A. | Variation of pressure on the rails |
| B. | Variation of temperature on the rails |
| C. | Variation of thermal diffusibility of the rails |
| D. | Variation of crank effort |
| Answer» B. Variation of temperature on the rails | |
| 3. |
What is the effect of variation of pressure on the rails? |
| A. | Hammering action |
| B. | Piston effort |
| C. | Variation in tractive force |
| D. | Swaying couple |
| Answer» B. Piston effort | |
| 4. |
The effect of an unbalanced primary force perpendicular to the line of stroke is to produce _____ |
| A. | Variation in pressure on the rails |
| B. | Variation in tractive force |
| C. | Swaying couple |
| D. | Piston effort |
| Answer» B. Variation in tractive force | |
| 5. |
The effect of an unbalanced primary force along the line of stroke is to produce ________ |
| A. | Swaying couple |
| B. | Constant tractive force |
| C. | Piston effort |
| D. | Crank effort |
| Answer» B. Constant tractive force | |
| 6. |
Due to partial balancing there is unbalanced force only along the line of stroke. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
What is the effect of partial balancing of the reciprocating parts? |
| A. | Unbalanced primary force |
| B. | Unbalanced secondary force |
| C. | Balanced primary force |
| D. | Balanced secondary force |
| Answer» B. Unbalanced secondary force | |