List of top Questions asked in AP PGECET- 2026

Screen efficiency in size separation depends on:
In a cyclone separator, particles are separated due to:
Shell balance in fluid mechanics is used to derive:
For a Venturi meter, the flow rate is proportional to:
At steady state the temperature profile in a laminated system appears as in figure. What is the thermal conductivity of material 2 if steady state flux is 12.6$\times$10$^3$ W/m$^2$ and conductivity of material 1 is 52 W/mK ?
A sphere of radius R is in motionless fluid (no forced or natural convection). The surface temperature of the sphere is T$_R$ and the bulk temperature T$_\infty$. What is the Nusselt number for this situation?
The filter medium resistance has dimensions of______
In continuous fluidization,
An example of dilatent fluid is ______
A particle attains its terminal settling velocity when ______
The relationship between fanning friction factor (f) and Reynolds number (N$_{Re}$) in laminar flow is
The ``power required is proportional to the square root of the product size'' is ______
Arrange the following equipment in decreasing order of the average particle size produced by each of them.
If fanning friction factor is f then the Blasius (or) Darcy friction factor is ______
Diaphragm pumps are used for ______ pumping
Two spheres of equal density and different diameters fall through a liquid with an unknown density and an unknown viscosity. The diameter of the large sphere is twice the diameter of the small sphere. Assume particle Reynolds number is less than one for both spheres. What is the ratio of terminal velocities of large sphere to small sphere?
Differential settling methods utilize the difference in ______
Absolute humidity of air is 0.02 kg water vapour/ kg dry air. Assuming the average molecular weight of air to be 29. What is the mole percent of water vapour in air? (approximately)
The fugacity of a pure ideal gas is equal to:
The second law of thermodynamics states that for any spontaneous process:
Excess properties in thermodynamics are defined as:
The activity coefficient `gamma' = 1 implies:
According to First law of thermodynamics for a flow process the total work done by the turbine can be approximated by______
One hundred kilograms of a dilute waste acid containing 30.0% sulphuric acid is to be fortified to 50.0% sulphuric acid using concentrated sulphuric acid of strength 96%. How many kilograms of concentrated sulphuric acid are required for this process?
A pressure of 1 torr is equal to ______