According to the kinetic theory, the thermal conductivity of a monatomic gas is proportional to___________________?

Related Mcqs:

1. 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...

2. Except for monatomic gases, the molal heat capacity at constant volume for all gases is _____________ Kcal/Kg mole.° K?

   A. 3 B. > 3 C. < 3 D. < 1...

3. The value of Cp & Cv respectively for monatomic gases in Kcal/kg Mole.°K are________________?

   A. 5 & 3 B. 3.987 & 1.987 C. 1.987 & 0.66 D. 0.66 & 1.987...

4. At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to___________________?

   A. Decrease in mean free path B. Increased collision rate among molecules C. Increase in molecular attraction D. Increase in average molecular speed...

5. 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...

6. 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...

7. “The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface”. This statement pertaining to the solubility of gases in liquid is the ______________ law?

   A. Raoult’s B. Henry’s C. Amagat’s D. None of these...

8. The molecular velocity of a real gas is proportional to (where, T = absolute temperature of the gas)?

   A. √T B. T C. T2 D. 1/√T...

9. An insulating refractory brick should have high porosity and low thermal conductivity. Which of the following is not used for inducing porosity in the insulating refractory bricks during its manufacture ?

   A. Cork B. Saw dust C. Sand D. Chemically prepared foam...

10. Which of the following liquid metals has the highest thermal conductivity ?

    A. Molten sodium B. Molten lead C. Mercury D. Molten potassium...