Which of the following provides maximum contact surface for a liquid vapour system?
A.Bubble cap tower
B.Packed tower
C.Sieve plant column
D.Wetted wall column
Category: Chemical Engineering Mcqs
Which of the following allotropic forms of phosphorus is used in the manufacture of safety matches?
A.White phosphorus
B.Red phosphorus
C.Black phosphorus
D.all forms of phosphorus
The total energy grade line in pipe flow is a graphical representation of Bernoullis equation and represents the sum of elevation head pressure head and velocity head measured above
A.the centre line of pipe
B.the top of the pipeline
C.the bottom of the pipeline
D.the arbitrary horizontal datum
Heat is transferred from an electric bulb mainly by
A.Conduction
B.Convection
C.Convection and conduction
D.Radiation
E.Conduction, convection and radiation.
AT a given temperature the enthalpy is the lowest for
A.CO2
B.air
C.SO2
D.H2O
The catalyst used in the manufacture of nitric acid by ammonia oxidation process is
A.Ni
B.Fe
C.V2O5
D.Pt-Rh alloy
Which of the following processes consumes hydrogen?
A.Fluid catalytic cracking process
B.Hydrocracking process
C.Visbreaking process
D.Propane deasphalting process
Viscosity has the dimensions
A.FL-2T-1
B.F-1L2T-1
C.FL-2T
D.F-1L2T where dimensions M L and T are used for force length and time.
Non-isotropic conductivity is exhibited in case of
A.Brass
B.Steel
C.Copper
D.Lead
E.Wood
A constant-volume gas thermometer works on
A.the principle of Archimedes
B.Boyles law
C.Pascals law
D.Charles law
