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- Question
Those substances which have so far not been resolved by any means into other substances of simpler form are called
Options- A. elements
- B. compounds
- C. atoms
- D. molecules
- Correct Answer
- elements
- 1. Ericsson cycle consists of two constant pressure and two isothermal processes.
Options- A. Agree
- B. Disagree Discuss
- 2. Which of the following gas has a minimum molecular mass?
Options- A. Oxygen
- B. Nitrogen
- C. Hydrogen
- D. Methane Discuss
- 3. The isothermal and isentropic processes are reversible non-flow processes.
Options- A. Agree
- B. Disagree Discuss
- 4. Liquid fuels have higher calorific value than solid fuels.
Options- A. Yes
- B. No Discuss
- 5. Hydrogen is the __________ substance.
Options- A. lightest
- B. heaviest Discuss
- 6. Which is the incorrect statement about Carnot cycle?
Options- A. It is used as the alternate standard of comparison of all heat engines.
- B. All the heat engines are based on Carnot cycle.
- C. It provides concept of maximising work output between the two temperature limits.
- D. all of the above Discuss
- 7. The hyperbolic pocess is governed by
Options- A. Boyle's law
- B. Charles' law
- C. Gay-Lussac law
- D. Avogadro's law Discuss
- 8. Liquid fuels have lower efficiency than solid fuels.
Options- A. True
- B. False Discuss
- 9. The greater the pressure difference in throttling, the lesser is the irreversibility.
Options- A. Yes
- B. No Discuss
- 10. The efficiency of Joule cycle is
Options- A. greater than Carnot cycle
- B. less than Carnot cycle
- C. equal to Carnot cycle
- D. none of these Discuss
Thermodynamics problems
Search Results
Correct Answer: Agree
Correct Answer: Hydrogen
Correct Answer: Agree
Correct Answer: Yes
Correct Answer: lightest
Correct Answer: All the heat engines are based on Carnot cycle.
Correct Answer: Boyle's law
Correct Answer: False
Correct Answer: No
Correct Answer: less than Carnot cycle
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