Mass Transfer

A. Wetted wall
B. Sieve/perforated tray
C. Bubble cap
D. Packed

A. 2.09 × 10-4
B. 2.09 × 10-5
C. 2.09 × 10-9
D. 2.09 × 10-12

A. Recovery of tannis from the tree barks and woods
B. Leaching sodium nitrate from Chilean nitrate bearing rock
C. Both A. and B.
D. Neither A. nor B.

A. Multiple effect evaporator
B. Mechanical draft cooling tower
C. Rotary dryer
D. Rotating disc contactor

A. Cold water leaving the tower and the wet bulb temperature of the surrounding air
B. Hot water entering the tower and the wet bulb temperature of the surrounding air
C. Hot water entering and the cooled water leaving the cooling tower
D. None of these

A. II, III
B. II, IV
C. IV, III
D. IV, II

A. Inverse
B. Exponential
C. Linear
D. Logarithmic

A. Less than
B. More than
C. Same as
D. Very much less

A. Low vapor pressure
B. Low viscosity
C. High gas solubility
D. None of these

A. Increase
B. Decrease
C. Remain same
D. Data insufficient, can’t be predicted