Thermodynamics problems
- 1. The ideal efficiency of simple gas turbine cycle depends upon pressure ratio.
Options- A. Yes
- B. No Discuss
Correct Answer: Yes
- 2. A process, in which the working substance neither receives nor gives out heat to its surroundings during its expansion or compression, is called
Options- A. isothermal process
- B. hyperbolic process
- C. adiabatic process
- D. polytropic process Discuss
Correct Answer: adiabatic process
- 3. The natural petroleum may be separated into
Options- A. petrol
- B. kerosene
- C. fuel oil
- D. lubricating oil Discuss
Correct Answer: lubricating oil
- 4. A definite area or a space where some thermodynamic process takes place is known as
Options- A. thermodynamic system
- B. thermodynamic cycle
- C. thermodynamic process
- D. thermodynamic law Discuss
Correct Answer: thermodynamic system
- 5. The specific volume of a system is an __________ property.
Options- A. extensive
- B. intensive Discuss
Correct Answer: intensive
- 6. If in the equation pvn = C, the value of n = 1, then the process is called isothermal process.
Options- A. True
- B. False Discuss
Correct Answer: True
- 7. A cycle consisting of two constant pressure and two isothermal processes is known as Ericsson cycle.
Options- A. True
- B. False Discuss
Correct Answer: True
- 8. Which of the following process can be made reversible with the help of a regenerator?
Options- A. Constant pressure process
- B. Constant volume process
- C. Constant pvn process
- D. all of these Discuss
Correct Answer: all of these
- 9. A process of heating crude oil to a high temperature under a very high pressure to increase the yield of lighter distillates, is known as
Options- A. cracking
- B. carbonisation
- C. fractional distillation
- D. full distillation Discuss
Correct Answer: cracking
- 10. The amount of heat required to raise the temperature of __________ water through one degree is called kilojoule.
Options- A. 1 g
- B. 10 g
- C. 100 g
- D. 1000 g Discuss
Correct Answer: 1000 g
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