MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
An engine works between 2 reservoirs of temperature 500K and 300K. A company claims that this engine of theirs takes 200J of energy from the hot reservoir and rejects 110J of energy. Is this True or False? |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
If an engine takes 5J of heat energy from a reservoir and rejects 3J to the surroundings, what is its efficiency? |
| A. | 2/5 |
| B. | 3/5 |
| C. | 1/5 |
| D. | 0 |
| Answer» B. 3/5 | |
| 3. |
In a heat engine heat is converted to work and the process need not be cyclic. True or False? |
| A. | True |
| B. | False |
| Answer» C. | |