List of top Chemical Engineering Questions

Rate of leaching increases with increasing ____
Separation is based on freezing point difference in ____
Mass transfer co-efficient and diffusivity are related according to film theory as \( K \propto ____ \)
The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is ____
An example for two pair partially soluble and one pair completely soluble is ____
Rayleigh's equation applies to ____ distillation
Which of the following is an undesirable characteristic for the solvent used in gas absorption?
The relative volatility for separation of a binary mixture by distillation should be
Minimum number of trays required for achieving a given separation in distillation column with ____
If \( q \) is interpreted to be the fraction of the feed stream that is liquid, then for saturated vapour feed to a distillation column, \( q = ____ \)
In the adsorption operation, mass transfer is from ____
The average heat transfer co-efficient for laminar film condensation on vertical surface is inversely proportional to (where, \( \Delta T \) = temperature drop across condensate film)
When vaporisation takes place directly at the heating surface, it is called ____
The Fourier number (\(N_{Fo}\)) is defined as (α is thermal diffusivity, L is characteristic length and t is time)
Which of the substance will have higher thermal conductivity
Rate of heat transfer in case of forced convection when compared with natural convection is
Heat sensitive material like orange juice is concentrated in a ____
Substances can emit or absorb radiant energy to varying extent provided their temperature is above ____
Heat transfer by conduction is described by
The thermal conductivity of a solid
The Prandtl number (\(N_{Pr}\)) is the ratio of
The main size reduction operation in ultrafine grinders is
Highly viscous liquids and pastes are agitated by
Gravity settling process is not involved in the working of a
Two particles are called to be equal settling, if they are having the same