MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Basic Science and Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Akhil wrapped himself with a few layers of cloth on a cold winter night. This helped him to keep himself warm because: |
| A. | Friction between the layers of cloth produces heat. |
| B. | Air trapped between the layers of cloth is a bad conductor of heat. |
| C. | Cloth is at a higher temperature than the temperature of the surrounding. |
| D. | Cloth is a conductor of heat. |
| Answer» C. Cloth is at a higher temperature than the temperature of the surrounding. | |
| 2. |
Convert 25∘C to Kelvin scale. |
| A. | 298K |
| B. | 273K |
| C. | 298∘ C |
| D. | 273∘ C |
| Answer» B. 273K | |
| 3. |
Pyrometer is used to measure_______. |
| A. | air pressure |
| B. | humidity |
| C. | high temperature |
| D. | intensity of earthquake |
| Answer» D. intensity of earthquake | |
| 4. |
An adiabatic wall between two thermodynamic systems _____________. |
| A. | allows both heat and matter to pass across it at constant temperature |
| B. | does not allow heat to pass across it but allows matte r to pass |
| C. | does not allow matter to pass but allows heat to pass across it |
| D. | does not allow heat or matter to pass across it |
| Answer» E. | |
| 5. |
At what temperature do both the centigrade and Fahrenheit thermometers show the same reading? |
| A. | F = 80° |
| B. | F = 120° |
| C. | F = -40° |
| D. | F = -80° |
| Answer» D. F = -80° | |
| 6. |
Consider the following graph: |
| A. | OA |
| B. | AB |
| C. | BC |
| D. | CD |
| Answer» C. BC | |
| 7. |
Heat is measured by______. |
| A. | Thermometer |
| B. | Calorimeter |
| C. | Pyrometer |
| D. | Thermocouple |
| Answer» C. Pyrometer | |