The slope of the opeating line for the stripping section of distillation column is
A.0
B.?
C.< 1
D.> 1
Category: Chemical Engineering Mcqs
The optimum size ratio for two mixed reactors in series is found in general to be dependent on the kinetics of the reaction and on the conversion level. For reaction order more than one
A.the larger reactor should come first
B.the smaller reactor should come first
C.equal size reactors are best.
The constituents of water gas are
A.CO and H2O
B.CO2 and N2
C.CO and H2
D.CO and N2
Which of the following material has highest value of thermal diffusivity?
A.Concrete
B.Mineral wool
C.Wood
D.Steel
E.Lead
Radiation pyrometers are used to measure the temperature in the range of
A.800? to 2000?C
B.100? to 600?C
C.300? to 1100?C
D.0? to 400?C
At low pressure the molal heat capacity at constant-pressure (Cp) of an ideal monoatmic gas is equal to
A.2.24 kcal kcal/(kmol.K)
B.5J/(kmol.K)
C.5 kcal/(kmol.K)
D.3 kcal/(kmol.K)
Gamma rays are
A.high energy electrons
B.high energy electromagnetic waves
C.low energy electrons
D.low energy electromagnetic waves
The collection efficiency of a cyclone separator
A.is directly proportional to the mass of the dust particle
B.is inversely proportional to the radius of the dust particle path
C.increases with increase in gas flow rate
D.all of the above
The temperature reading taken using Centigrade and Fahrenheit thermometers are plotted on a graph -?C along X-axis, ?F along Y-axis. The shape of graph would be
A.Straight line cutting an intercept on the positive Y-axis
B.Straight line cutting an intercept on the positive X-axis
C.Straight line cutting an intercept on the negative Y-axis
D.Straight line cutting an intercept on the negative X-axis
