A.the liquid/vapour loading in each section of the tower remains constant
B.Troutons rule is applicable
C.the sensible heat differences are small because the temperature change from tray to tray is small
D.all of the above
A.Less than 1
B.1
C.5 to 1
D.10 to 5
E.More than 10
A.Phenols
B.Alcohols
C.Halogenated hydrocarbons
D.Amyl nitrate
A.momentum transport by molecular friction
B.heat energy transport through conduction
C.heat evergy transport through convection
D.conversion of momentum into heat energy
A.Urea
B.Dismmonium phosphate
C.Ammonium nitrate
D.Calcium phosphate
A.by conradson method only
B.by ramsbottom method only
C.either by conradson method or by ramsbottom method
D.by Pensky-Martens (closed) method
A.Ordinary mercury-in-glass thermometer
B.Platinum resistance thermometer
C.Radiation pyrometer
D.Constant-volume hydrogen thermometer.
A.saturated NaCI solution only
B.saturated NaCI solution with solid NaCI make-up
C.solid NaCI only
D.90-92% NaCI solution
A.adsorption
B.distillation
C.evaporation
D.absorption
A.proportional to the concentration of reactant
B.inversely proportional to the concentration of reactant
C.independent of the concentration of reactant
D.independent of temperature.
