MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Thermodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
We can get a tertiary cycle if a sulphur dioxide cycle is added to mercury-steam cycle. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 2. |
In a mercury-steam cycle, mercury cycle is called ____ and steam cycle is called ____ |
| A. | bottoming cycle, topping cycle |
| B. | topping cycle, bottoming cycle |
| C. | both are called bottoming cycle |
| D. | both are called topping cycle |
| Answer» C. both are called bottoming cycle | |
| 3. |
Initially in a reciprocating steam engine, |
| A. | a binary cycle was used |
| B. | steam was used in the high temperature |
| C. | ammonia or sulphur dioxide was used in the low temperature range |
| D. | all of the mentioned |
| Answer» E. | |
| 4. |
IN_A_MERCURY-STEAM_CYCLE,_MERCURY_CYCLE_IS_CALLED______AND_STEAM_CYCLE_IS_CALLED_____?$ |
| A. | bottoming cycle, topping cycle |
| B. | topping cycle, bottoming cycle |
| C. | both are called bottoming cycle |
| D. | both are called topping cycle |
| Answer» C. both are called bottoming cycle | |
| 5. |
We_can_get_a_tertiary_cycle_if_a_sulphur_dioxide_cycle_is_added_to_mercury-steam_cycle.$ |
| A. | true |
| B. | false |
| Answer» B. false | |
| 6. |
Initially in a reciprocating steam engine? |
| A. | a binary cycle was used |
| B. | steam was used in the high temperature |
| C. | ammonia or sulphur dioxide was used in the low temperature range |
| D. | all of the mentioned |
| Answer» E. | |
| 7. |
When mercury cycle is added to the steam cycle, |
| A. | the mean temperature of heat addition increases |
| B. | efficiency decreases |
| C. | maximum pressure is high |
| D. | all of the mentioned |
| Answer» B. efficiency decreases | |
| 8. |
To vaporize one kg of water, ____ kg of mercury must condense. |
| A. | 5-6 |
| B. | 6-7 |
| C. | 7-8 |
| D. | 8-9 |
| Answer» D. 8-9 | |
| 9. |
In a binary cycle, ____ cycles with ____ working fluid are coupled. |
| A. | two, same |
| B. | two, different |
| C. | three, same |
| D. | three, different |
| Answer» C. three, same | |
| 10. |
Why is mercury unsuitable at low temperatures? |
| A. | its saturation pressure becomes very high |
| B. | its specific volume is very low at such a high pressure |
| C. | both of the mentioned |
| D. | none of the mentioned |
| Answer» E. | |
| 11. |
Mercury is a better fluid in high temperature range. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 12. |
Which of the following fluid can be used in place of water? |
| A. | diphenyl ether |
| B. | aluminium bromide |
| C. | mercury |
| D. | all of the mentioned |
| Answer» E. | |