Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits?
A. O2, N2, steam, CO2
B. O2, N2, water vapour
C. SO2, NH3, CO2, moisture
D. O2, N2, H2, air
Answer: Option D
Related Questions on Engineering Thermodynamics
Addition of heat at constant pressure to a gas results in
A. Raising its temperature
B. Raising its pressure
C. Raising its volume
D. Raising its temperature and doing external work
Which of the following items is not a path function?
A. Heat
B. Work
C. Kinetic energy
D. Thermal conductivity
An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is
A. Feasible
B. Impossible
C. Possible
D. Possible, but with lot of sophistications
The absolute zero pressure can be attained at a temperature of
A. 0°C
B. -273°C
C. 273 K
D. None of these
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