The toxicity of which of the following heavy metals leads to Liver cirrhosis? Read More »
Everyday Science Mcqs A. Increasing the air velocity and area of exposed wet surface
B. Reducing the barometric pressure
C. Reducing the humidity of the air
D. All A., B. and C.
The cooling effect in a cooling tower can be speeded up by _______________________? Read More »
Mass Transfer A. Perfectly dry
B. Highly humid
C. High temperature
D. None of these
To remove all the moisture from a wet solid it requires exposure to _____________ air? Read More »
Mass Transfer A. 5
B. 0.5
C. 0.05
D. 50
Pore size of the molecular sieve 5A is ____________________ mm ? Read More »
Mass Transfer A. G/(FG . a)
B. FG/(G . a)
C. (G . a)/FG
D. L/(FG . G)
A. Higher contact area
B. Better contact of the phase
C. Repeated coalescence & redispersion of the drop phase
D. None of these
A. Fick’s second law of diffusion
B. Steady state diffusion for stagnant case
C. Liquid M.T.C. by Higbie penetration theory
D. None of these
The equation, NA = (DAB . Pt /RTZ . PBM) (PA1 – PA2) is for_______________________? Read More »
Mass Transfer A. Increase
B. Decrease
C. Remain unaffected
D. Decrease or increase; depends on the type of liquid
A. Methyl ethyl ketone
B. Water
C. Carbon tetrachloride
D. Carbon dioxide
The commonly used solvent in supercritical extraction is_____________________? Read More »
Mass Transfer A. log P vs. T
B. log P vs. log T
C. T vs. P
D. P vs. log T
