Chemical Engineering — Test 74
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Question 1
Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the________________?
Question 2
With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature) ?
Question 3
As the reflux ratio decreases, the_________________?
Question 4
Only small amount of evaporation of water produces large cooling effects because of its___________________?
Question 5
Ion exchange process is similar to___________________?
Question 6
Physical absorption is__________________?
Question 7
Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the _______________ number?
Question 8
If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is___________________?
Question 9
For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of _______________ microns (1 mm = 1000 microns)?
Question 10
Berl saddle made of carbon cannot be used for ___________________?