A. W/m2.°K
B. J/kg.°K
C. W/m.°K
D. J/m3. °K
Related Mcqs:
- Unit of mass velocity is___________________?
A. kg/m.hr
B. kg/m2.hr
C. kg/hr
D. kg/m2 - The unit of specific heat at constant pressure, Cp, in SI unit is__________________?
A. W/m2°C
B. J/kg°K
C. W/m°K
D. J/m3°K - At standard conditions, N2 + 2O2 ⇌ 2NO2; ΔG° = 100 kJ/mole NO + ½O2 ⇌ 2NO2; ΔG° = -35 kJ/mole The standard free energy of formation of NO in kJ/mole is___________________?
A. 15
B. 30
C. 85
D. 170 - One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m3. It cools to 98°C; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m3. The latent heat of condensation (kJ/kg-1 ) under these conditions is___________________?
A. 40732
B. 2676
C. 2263
D. 540 - The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. The temperature at which the above mixture will exert a pressure of one standard atm. is___________________?
A. Less than 100°C
B. 100°C
C. Between 100 and 110°C
D. 110.6°C - Equal masses of CH4 and H2 are mixed in an empty container. The partial pressure of hydrogen in this container expressed as the fraction of total pressure is___________________?
A. 1/9
B. 8/9
C. 1/2
D. 5/9 - The temperature of a gas in a closed container is 27° C. If the temperature of the gas is increased to 300° C, then the pressure exerted is___________________?
A. Doubled
B. Halved
C. Trebled
D. Unpredictable - Pure aniline is evaporating through a stagnant air film of 1 mm thickness at 300 K and a total pressure of 100 KPa. The vapor pressure of aniline at 300 K is 0.1 KPa. The total molar concentration under these conditions is 40.1 mole/m3. The diffusivity of aniline in air is 0.74 × 10-5m2/s. The numerical value of mass transfer co-efficient is 7.4 × 10-3. Its units are_______________________?
A. m/s
B. cm/s
C. mole/m2.s.Pa
D. k.mole/m2.s.Pa - Unit of power is____________________?
A. Joule
B. Watt
C. Joule/Second
D. Both B. & C. - Which of the following is not a unit of kinematic viscosity ?
A. Poise
B. Stoke
C. cm2/second
D. None of these