MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Thermodynamics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
One tonne of refrigeration is given as the rate of heat removal from surroundings equivalent to heat required for melting one tonne of ice in a day. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 2. |
The COP of cycle is given by(Q2=heat absorbed by evaporator and Wc=work done by compressor) |
| A. | 1- (Q2/Wc) |
| B. | 1- (Wc/Q2) |
| C. | Q2/Wc |
| D. | Wc/Q2 |
| Answer» D. Wc/Q2 | |
| 3. |
In the expansion process, which of the following remains constant? |
| A. | work done |
| B. | heat supplied |
| C. | internal energy |
| D. | enthalpy |
| Answer» E. | |
| 4. |
The evaporator produces the cooling or refrigerating effect. |
| A. | true |
| B. | false |
| Answer» B. false | |