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. |
The quality of wet steam can also be measured by an electric calorimeter. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 2. |
In a combined separating and throttling calorimeter, |
| A. | steam is first passed through a separator |
| B. | in separator, some moisture separates out due to sudden change in direction |
| C. | then the partially dry vapour is throttled and taken to the superheated region |
| D. | all of the mentioned |
| Answer» E. | |
| 3. |
A combined separating and throttling calorimeter is also used to measure the quality. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 4. |
IN_A_COMBINED_SEPARATING_AND_THROTTLING_CALORIMETER,?$ |
| A. | steam is first passed through a separator |
| B. | in separator, some moisture separates out due to sudden change in direction |
| C. | then the partially dry vapour is throttled and taken to the superheated region |
| D. | all of the mentioned |
| Answer» E. | |
| 5. |
The_quality_of_wet_steam_can_also_be_measured_by_an_electric_calorimeter.$ |
| A. | true |
| B. | false |
| Answer» B. false | |
| 6. |
A combined separating and throttling calorimeter is also used to measure the quality? |
| A. | true |
| B. | false |
| Answer» B. false | |
| 7. |
To be sure that steam after throttling is in the single-phase or superheated vapour, a minimum of ____ is desired. |
| A. | 10 degree Celsius |
| B. | -5 degree Celsius |
| C. | 0 degree Celsius |
| D. | 5 degree Celsius |
| Answer» E. | |
| 8. |
To fix the state and determine the quality of the mixture, we can do this by |
| A. | adiabatic throttling |
| B. | electric heating |
| C. | both of the mentioned |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 9. |
For the measurement of quality, the state of the substance is brought from the two-phase region to |
| A. | single-phase region |
| B. | superheated region |
| C. | both of the mentioned |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 10. |
Devices such as calorimeters are used to for determining the quality or enthalpy of the mixture. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 11. |
For a substance in two-phase region, |
| A. | both pressure and temperature are independent properties |
| B. | if pressure is given, the saturation temperature gets fixed |
| C. | no other property is required to be known |
| D. | all of the mentioned |
| Answer» C. no other property is required to be known | |
| 12. |
A pure substance is said to have ____ degrees of freedom. |
| A. | one |
| B. | two |
| C. | three |
| D. | four |
| Answer» C. three | |