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
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 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 - Compressibility factor for almost all the gases are approximately same at the same__________________?
A. Pressure and temperature
B. Reduced pressure and reduced temperature
C. Critical pressure and critical temperature
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 - 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 - 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 - Any substance above its critical temperature exists as _____________________?
A. Saturated vapour
B. Solid
C. Gas
D. Liquid
