List of top Chemical Engineering Questions

If \( d_p \) is the equivalent diameter of a non-spherical particle, \( V_p \) its volume and \( S_p \) its surface area, then its sphericity \( \Phi_s \) is defined by
For sizing of fine materials, the most suitable equipment is a
Device in which the pressure drop is constant and the area through which the fluid varies with flow rate is
Filter aid is used
The conveyor suitable for transportation of sticky material is
Which of the following equipment is used for size reduction of coarse solids?
Maximum size reduction in a fluid energy mill is achieved by
If the suction pressure is only slightly greater than the vapour pressure, some liquid may flash to vapour inside the pump is
The heart of the centrifugal pump is
The loss due to sudden contraction is proportional to
Once the bed is fluidized, with increasing the flow, the pressure drop across the bed
For Non-Newtonian fluids, power law model consists parameter \( K \) known as
Empirical equation that is applicable for flow through beds at \( Re = 1.0 \) is
Potential flow is the flow of
Newton’s law of viscosity relates
Henry’s law is closely obeyed by a gas when component
Modified Raoult’s law is written as (where \( \gamma \) is the activity coefficient)
NRTL equation is a ....parameter model
Dimensions of kinematic viscosity is
For an ideal gas, the activity co-efficient is
The criteria for phase equilibria is
Gibbs free energy at constant pressure and temperature under equilibrium conditions is
The equation \( PV = nRT \) is best obeyed by gases at
In an adiabatic process
Fundamental principle of refrigeration is based on ------------ law of thermodynamics