A. Increases
B. Remains unchanged
C. Decreases
D. Decreases linearly
0
As the reflux ratio decreases, the_________________?
0
Only small amount of evaporation of water produces large cooling effects because of its___________________?
A. Separation becomes more efficient
B. Number of plates increases
C. Column diameter increases
D. None of these
0
Ion exchange process is similar to___________________?
A. Large latent heat
B. Low viscosity
C. Small latent heat
D. None of these
0
Physical absorption is__________________?
A. Absorption
B. Adsorption
C. Extraction
D. Leaching
0
Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the _______________ number?
A. An irreversible phenomenon
B. A reversible phenomenon
C. Accompanied by evolution of heat
D. Both B. and C.
0
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___________________?
A. Schmidt
B. Sherwood
C. Peclet
D. Stanton
0
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)?
A. L/G
B. G/L
C. Always < 1
D. None of these
0
Berl saddle made of carbon cannot be used for ___________________?
A. 1-5
B. 10-60
C. 200-300
D. > 500
0
Capacity of a rotary dryer depends on its __________________?
A. Alkalis
B. SO2
C. H2SO4
D. Oxidising atmosphere
Download App