A. 21
B. 23
C. 25
D. 73
E. 79
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Related Mcqs:
- On volume basis, air contains following parts of oxygen _____________________?
- A. 21 B. 23 C. 25 D. 77 E. 79...
- The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is________________?
- A. 29.27 J/kmol°K B. 83.14J/kmol°K C. 848J/kmol°K D. All J/kmol °K E. 735 J/kmol °K...
- Universal gas constant is defined as equal to product of the molecular weight of the gas and_______________?
- A. specific heat at constant pressure B. specific heat at constant volume C. ratio of two specific heats D. gas constant E. unity....
- The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is______________________?
- A. 29.27 kgfm/mol°K B. 8314kgfm/mol°K C. 848kgfm/mol°K D. 427kgfm/mol°K E. 735 kgfm/mol°K...
- The basis for measuring thermodynamic property of temperature is given by___________________?
- A. zeroth law of thermodynamics B. first law of thermodynamics C. second law of thermodynamics D. third law of thermodynamics E. Avogadro’s hypothesis...
- The following cycle is used for air craft refrigeration___________________?
- A. Brayton cycle B. Joule cycle C. Carnot cycle D. Bell-Coleman cycle E. Reversed-Brayton cycle...
- Specific heat of air at constant pressure is equal to___________________?
- A. 0.17 B. 0.21 C. 0.24 D. 1.0 E. 1.41...
- The specific heat of air increases with increase in __________________?
- A. temperature B. pressure C. both pressure and temperature D. variation of its constituents E. air flow...
- Compressed air coming out from a punctured football___________________?
- A. becomes hotter B. becomes cooler1 C. remains at the same temperature D. may become hotter or cooler depend-ing upon the humidity of the surround¬ing air E. attains atmospheric temperature...
- The ratio of two specific heats of air is equal to____________________?
- A. 0.17 B. 0.24 C. 0.1 D. 1.41 E. 2.71...
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