List of top Chemical Engineering Questions asked in Andhra Pradesh Post Graduate Engineering Common Entrance Test

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 $?
Lewis number is the ratio of
The penetration theory relates average mass transfer coefficient ($ k $) with diffusivity ($ D $)
In a shell and tube heat exchanger, steam is condensing on the shell side and a cold fluid is flowing through the tubes in the turbulent flow region, then the Wilson plot is used to:
In a heat exchanger, for the same terminal temperatures, the logarithmic mean temperature difference for counter flow is
Dropwise condensation,
As per the Stefan-Boltzmann law the total energy emitted by a black body is directly proportional to
In shell and tube heat exchanger, external cleaning of the tubes is easy in case of
Use of multiple effect evaporator results in:
The heat flux in the nucleate boiling regime is proportional to
The Peclet number is defined as the product of
A fluid energy mill is used for:
In a batch thickener, the rate of sedimentation can be artificially increased by
Ratio of emissive power of a body to the emissive power of a perfectly black body, is known
The critical radius of insulation is
Which of the following is a process of gravity concentration where solids are separated based upon the differences in the behavior of particles through a moving fluid which in turn, depends upon densities/specific gravities.
The filter aid is a granular or fibrous material and is used to
Which of the following happens when the gas velocity increases in fluidization?
The work required for crushing a given material is proportional to the logarithm of the ratio between the initial and final diameters is a statement of:
In a ball mill, centrifugal force will be exactly balanced by the weight of the ball when mill runs at
For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant:
The Gibbs free energy change ($\Delta G^\circ$) and equilibrium constant (K) for a chemical reaction are related by