A. Pressure and temperature
B. Reduced pressure and reduced temperature
C. Critical pressure and critical temperature
D. None of these
Related Mcqs:
- What is the ratio of adiabatic compressibility to isothermal compressibility ?
A. 1
B. < 1
C. > 1
D. >> 1 - The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is____________________?
A. 0
B. +ve
C. -ve
D. ∞ - Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are_______________?
A. Always greater than one
B. Same at the same reduced temperature
C. Same at the same reduced pressure
D. Both B. & C - Compressibility factor of a gas is___________________?
A. Not a function of its pressure
B. Not a function of its nature
C. Not a function of its temperature
D. Unity, if it follows PV = nRT - The compressibility factor for an ideal gas is 1. Its value for any other real gas is_______________?
A. 1
B. 1
D. Either B. or C, depends on the nature of the gas - Critical compressibility factor for all substances___________________?
A. Are more or less constant (vary from 0.2 to 0.3)
B. Vary as square of the absolute temperature
C. Vary as square of the absolute pressure
D. None of these - Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates__________________?
A. Use of only one graph for all gases
B. Covering of wide range
C. Easier plotting
D. More accurate plotting - The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume predicted by ideal gas law)____________________?
A. V1/V2
B. V2/V1
C. V1 – V2
D. V1.V2 - Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a _______________ calorimeter ?
A. Bomb
B. Throttling
C. Junker’s
D. Boy’s - Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10-3 T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to – 100°C is ____________________?
A. 10.73 kJ
B. 16.15 kJ
C. 18.11 kJ
D. 18.33 kJ
