Discussion
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- Question
The heating and expanding of a gas is called thermodynamic system.
Options- A. Yes
- B. No
- Correct Answer
- No
- 1. The specific heat at constant volume is
Options- A. the amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure
- B. the amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume
- C. the amount of heat required to raise the temperature of 1 kg of water through one degree
- D. any one of the above Discuss
- 2. The free expansion process is __________ non-flow process.
Options- A. reversible
- B. irreversible Discuss
- 3. Liquid fuels consist of hydrocarbons.
Options- A. True
- B. False Discuss
- 4. The thermodynamic property of a system is said to be an intensive property whose value for the entire system __________ the sum of their value for the individual parts of the system.
Options- A. is equal to
- B. is not equal to Discuss
- 5. The compression ratio for Diesel engines is
Options- A. 3 to 6
- B. 5 to 8
- C. 15 to 20
- D. 20 to 30 Discuss
- 6. The total energy of a molecule is shared equally by the various degrees of freedom possessed by it. This law is known as
Options- A. law of equipartition of energy
- B. law of conservation of energy
- C. law of degradation of energy
- D. none of these Discuss
- 7. Otto cycle is also known as
Options- A. constant pressure cycle
- B. constant volume cycle
- C. constant temperature cycle
- D. constant temperature and pressure cycle Discuss
- 8. The heat absorbed during a polytropic process is
Options- A.
x Workdone - B.
- C.
- D. all of these Discuss
- 9. A process, in which the temperature of the working substance remains constant during its expansion or compression, is called
Options- A. isothermal process
- B. hyperbolic process
- C. adiabatic process
- D. polytropic process Discuss
- 10. Producer gas is obtained by
Options- A. partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast
- B. carbonisation of bituminous coal
- C. passing steam over incandescent coke
- D. passing air and a large amount of steam over waste coal at about 650°C Discuss
Thermodynamics problems
Search Results
Correct Answer: the amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume
Correct Answer: irreversible
Correct Answer: True
Correct Answer: is not equal to
Correct Answer: 15 to 20
Correct Answer: law of equipartition of energy
Correct Answer: constant volume cycle
Correct Answer: all of these
Correct Answer: isothermal process
Correct Answer: partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast
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