Discussion
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- Question
The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called
Options- A. specific heat at constant volume
- B. specific heat at constant pressure
- C. kilo-Joule
- D. none of these
- Correct Answer
- kilo-Joule
- 1. A machine which violates the first law of thermodynamics is known as perpetual motion machine of the second kind.
Options- A. Correct
- B. Incorrect Discuss
- 2. A closed cycle gas turbine works on Joule's cycle.
Options- A. True
- B. False Discuss
- 3. One kilowatt is equal to
Options- A. 1 N-m/s
- B. 100 N-m
- C. 1000 N-m/s
- D. 1 x 106 N-m/s Discuss
- 4. The heating of a gas at constant pressure is governed by
Options- A. Boyle's law
- B. Charles' law
- C. Gay-Lussac law
- D. Avogadro's law Discuss
- 5. The fuel mostly used in blast furnace for extracting pig iron from iron ores is
Options- A. hard coke
- B. soft coke
- C. pulverised coal
- D. bituminous coal Discuss
- 6. The universal gas constant (or molar constant) of a gas is the product of
Options- A. molecular mass of the gas and the gas constant
- B. atomic mass of the gas and the gas constant
- C. molecular mass of the gas and the specific heat at constant pressure
- D. molecular mass of the gas and the specific heat at constant volume Discuss
- 7. The ideal efficiency of simple gas turbine cycle depends upon pressure ratio.
Options- A. Yes
- B. No Discuss
- 8. 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
- 9. The natural petroleum may be separated into
Options- A. petrol
- B. kerosene
- C. fuel oil
- D. lubricating oil Discuss
- 10. 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
Thermodynamics problems
Search Results
Correct Answer: Incorrect
Correct Answer: True
Correct Answer: 1000 N-m/s
Correct Answer: Charles' law
Correct Answer: hard coke
Correct Answer: molecular mass of the gas and the gas constant
Correct Answer: Yes
Correct Answer: adiabatic process
Correct Answer: lubricating oil
Correct Answer: thermodynamic system
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