IIT JEE : Heat And Thermodynamics QUESTIONS AND ANSWERS :: part1 : 16 to 20
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
16.The most efficient heat engine is one which is: |
| reversible |
| irreversible |
| driven by high speed diesel |
| none of the above |
17.A gas is filled in a cylinder. Its temperature is increased by 20% on kelvin scale and volume is reduced by 10%. How much percentage of the gas has to leak for pressure to remain constant? |
| 30% |
| 40% |
| 15% |
| 25% |
18.When rod is heated but prevented from expanding, the stress is independent of: |
| material of the rod |
| rise in temperature |
| length of rod |
| none of these |
19.For an isolated system: |
| volume is constant |
| pressure is constant |
| temperature is constant |
| all of these |
20.Internal energy of ideal gas depend on: |
| only pressure |
| only volume |
| only temperature |
| none of these |
More Heat And Thermodynamics QUESTIONS AND ANSWERS available in next pages
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