A. At constant pressure
B. By throttling
C. By expansion in an engine
D. None of these
Related Mcqs:
- Claude’s liquefaction process employs the cooling of gases by__________________?
A. Expansion in an engine
B. Following a constant pressure cycle
C. Throttling
D. None of these - Linde gas liquefaction process employs cooling ____________________?
A. By throttling
B. By expansion in an engine
C. At constant pressure
D. None of these - Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be__________________?
A. 580
B. 640
C. 1160
D. Data insufficient; can’t be computed - 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 - The density of a gas ‘X’ is twice that of another gas ‘Y’. If the molecular weight of gas ‘Y’ is ‘M’; then the molecular weight of the gas ‘X’ will be________________?
A. 2M
B. M/2
C. M
D. M/4 - The principle applied in liquefaction of gases is_____________________?
A. Adiabatic expansion
B. Joule-Thomson effect
C. Both A. and B
D. Neither A. nor B - Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the___________________?
A. Nature of the liquid
B. Nature of the gas
C. Temperature of the liquid
D. Total pressure - A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the _____________ mean of P1 and P2.(where, P1 and P2 are initial and final pressures respectively) ?
A. Logarithmic
B. Arithmetic
C. Geometric
D. Harmonic - An ideal gas is taken around the cycle ABCA as shown in P-V diagram below: The work done by the gas during the cycle is equal to_________________?
A. 12 P1V1
B. 6 P1 V1
C. 3 P1V1
D. P1 V1 - Translational kinetic energy of molecules of an ideal gas is proportional to (where, T = absolute temperature of the gas)__________________?
A. T
B. √T
C. T2
D. 1/√T
