Linde gas liquefaction process employs cooling ____________________?

Related Mcqs:

1. 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

2. Claude gas liquefaction process employs cooling___________________?

   A. At constant pressure
   B. By throttling
   C. By expansion in an engine
   D. None of these

3. 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

4. Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules ____________________?

   A. Do not lose energy on collision
   B. Are above the inversion temperature
   C. Do not exert attractive force on each other
   D. Do work equal to loss in kinetic energy

5. 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

6. A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be________________?

   A. 0°C
   B. 0°K
   C. -136.5°C
   D. -136.5°K

7. 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

8. 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

9. No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules____________________?

   A. Collide without loss of energy
   B. Do work equal to loss in kinetic energy
   C. Are above the inversion temperature
   D. Exert no attractive force on each other

10. 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