Kerala PSC Previous Years Question Paper & Answer
Page:10
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Professor (Chemical Engineering)' And exam conducted in the year 2023. And Question paper code was '026/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
Equilibrium constant
Correct Answer:- Option-B
‘Question66:-In the manufacture of sulphuric acid by the contact process, the catalytic oxidation of SO. is carried out in multiple stages mainly to
‘As Increase the reaction rate by providing inter-stage heating
Br-Increase the overall conversion by providing inter-stage heating
C:-Increase the overall conversion by providing interstage cooling
D:-Decrease the overall conversion by removing sulphur trioxide between stages
Correct Answer:- Option-C
‘Question67:-For which reaction order, the half-life of the reactant is half of the full lifetime (time for 100% conversion) of the reactant ?
A-Zero order
B:-Half order
CoFirst order
Second order
Correct Answer
۱۴۰ 0۶۸
Question68:-For a solid catalyzed gas-phase reversible reaction, which of the following statements is always true ?
‘AsAdsorption is rate limiting
8:-Desomption is rate limiting
Solid catalyst doesn't affect equilibrium conversion
D-Temperature doesn't affect equilibrium conversion
Correct Answer:- Option-C
Question69 :-The elementary reversible exothermic gas-phase reaction A + 3B ¢> 2C is to be conducted in a non-isothermal, non-adiabatic plug flow reactor. The maximum allowable
reactor temperature is T nae TO minimize the total reactor volume, the variation of reactor temperature (T) with axial distance from the inlet (z) should be
Correct Answer
റി
‘Question70:-Cascade control comes under the control configuration which uses
‘AsOne measurement and one manipulate variable
B:-More than one measurement and one manipulate variable
C-One measurement and more than one manipulate variable
"More than one measurement and more than one manipulate variable
Correct Answer: Option-8
Question71-An example of an open-loop second order under damped system is
As Liquid level in a tank
B:-UsTube manometer
C:Thermocouple in a thermo-well
5:7۸6 norinteracting first order systems in series
Correct Answer:- Option-8
‘Question72:-The control valve characteristics is selected such that the product of process gain and the valve gain