Chemical Engineering — Test 64
Page 1 of 3
Question 1
If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is________________?
Question 2
In case of ______________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated?
Question 3
Moisture contained by a substance in excess of the equilibrium moisture is called the _______________ moisture?
Question 4
Hypersorption refers to a ________________ process?
Question 5
In case of liquids, the binary diffusivity is proportional to (where, T = temperature) _____________________?
Question 6
The relative saturation of an unsaturated mixture of gas and vapor is independent of the___________________?
Question 7
Advantage of continuous drying over batch drying is that the_____________________?
Question 8
An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively. The humidity of air sample expressed as kg of water vapour/kg of dry air is__________________?
Question 9
For an absorber, both equilibrium and operating line will be straight for _______________________?
Question 10
Penetration model (theory) for mass transfer was enunciated by _____________________?