List of top Chemical Engineering Questions

Potential flow is the flow of
Dimensions of kinematic viscosity is
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
For an ideal gas, the activity co-efficient is
In an adiabatic process
The equation \( PV = nRT \) is best obeyed by gases at
Gibbs free energy at constant pressure and temperature under equilibrium conditions is
The criteria for phase equilibria is
The mixing process is
Fundamental principle of refrigeration is based on ------------ law of thermodynamics
In a chemical reaction the material balance calculation is based on
Sometimes in chemical processes, a part of the outlet stream is rejected as waste in order to keep the impurity level in the system within limits. This phenomenon is termed as
A bypass stream in a chemical process is useful, because it
The degrees of freedom for a system consisting a gaseous mixture of \( N_2 \), \( H_2 \), and \( NH_3 \) is
The substance that appears in one incoming stream and outgoing stream which serves as reference for computations is called as a
For identical feed comp., flow rate, conversion and for all positive reaction orders the ratio of the volume of mixed reactor to the volume of plug flow reactor
In a semi-batch reactor
The best combination of reactors for an exothermic reaction is:
If the conversion of a first-order liquid phase reaction occurring in a CSTR is 75%, molar feed rate is 5 mol/min, the rate of the reaction is 5 $\frac{mol}{litre \cdot min}$ then the volume of the reactor (in litre) is?
If $ \tau = 5 $ s, first order rate constant, $ k = 0.25 $ sec$^{-1}$ and the number of tanks, $ N $ is 5, then the conversion is
Which of the following is true for gas-phase reactions?
Which of the following represents heterogeneous catalytic reaction?
What is the activity of a catalyst when a time $ t = 0 $?