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

For a steady-state mixed reactor the space-time is equivalent to the holding time for
The most suitable reactor to carry out an auto-thermal reaction is a:
Flooding in a distillation column is detected by a sharp
Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at that temperature is
A reaction is of zero order when the rate of reaction is
Higher temperature increases the rate of leaching in a solid-liquid system due to:
The activation energy at high temperatures is lower than at lower temperatures, which represents
In case of adsorption hysteresis, the desorption equilibrium pressure is
In liquid-liquid extraction, if the selectivity is unity, then
A plate is called a theoretical plate when
Lewis number is the ratio of
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 $?
The penetration theory relates average mass transfer coefficient ($ k $) with diffusivity ($ D $)
The absorption factor can be increased by:
If reflux in a distillation column is 100 mol/hr and the overhead product rate is 50 mol/hr, the reflux ratio is
In shell and tube heat exchanger, external cleaning of the tubes is easy in case of
The heat flux in the nucleate boiling regime is proportional to
As per the Stefan-Boltzmann law the total energy emitted by a black body is directly proportional to
Use of multiple effect evaporator results in:
In a heat exchanger, for the same terminal temperatures, the logarithmic mean temperature difference for counter flow is
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:
Dropwise condensation,
A fluid energy mill is used for:
Ratio of emissive power of a body to the emissive power of a perfectly black body, is known