List of top Chemical Engineering Questions

Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at that temperature is
The activation energy at high temperatures is lower than at lower temperatures, which represents
In case of adsorption hysteresis, the desorption equilibrium pressure is
Flooding in a distillation column is detected by a sharp
A reaction is of zero order when the rate of reaction is
Lewis number is the ratio of
The penetration theory relates average mass transfer coefficient ($ k $) with diffusivity ($ D $)
The absorption factor can be increased by:
A plate is called a theoretical plate when
If reflux in a distillation column is 100 mol/hr and the overhead product rate is 50 mol/hr, the reflux ratio is
At a given temperature, the humid volume is
The steady state gas phase reaction 3A + B $\rightarrow$ C + 2D takes place on a catalyst surface. What will be the value of the flux ratio $ N_A / N_D $?
In a heat exchanger, for the same terminal temperatures, the logarithmic mean temperature difference for counter flow is
Dropwise condensation,
As per the Stefan-Boltzmann law the total energy emitted by a black body is directly proportional to
In shell and tube heat exchanger, external cleaning of the tubes is easy in case of
Use of multiple effect evaporator results in:
The heat flux in the nucleate boiling regime is proportional to
In a shell and tube heat exchanger, steam is condensing on the shell side and a cold fluid is flowing through the tubes in the turbulent flow region, then the Wilson plot is used to:
The critical radius of insulation is
The Peclet number is defined as the product of
Ratio of emissive power of a body to the emissive power of a perfectly black body, is known
Which of the following is a process of gravity concentration where solids are separated based upon the differences in the behavior of particles through a moving fluid which in turn, depends upon densities/specific gravities.
The filter aid is a granular or fibrous material and is used to
A fluid energy mill is used for: