Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LECTURER IN CHEMICAL ENGINEERING POLYTECHNICS KERALA TECHNICAL EDUCATION' And exam conducted in the year 2015. And Question paper code was '024/2015'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. 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.
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In Sieder ~ Tate correlation, the heat transfer coefficient varies with pipe diameter D as :
1 1
(4) 2൧25 B haD?
(0 # € 2" D) heaD*
For a given heat flow and for the same thickness, the temperature drop across the material
will be maximum for :
(മ) Copper (ए) 80661
(0 Aluminium (D) Glass-wool
Economy of a single effect evaporator is :
@ <1 B <1
(© =1 (D) None of these
Type of feeding used for heat sensitive material 17 a multiple effect evaporator is :
(ക) Forward feed (ए) Backward feed
(€) Mixed feed (D) Parallel feed
‘Which one of the following is a secondary method for treating wastewater?
(A) Screening (B) Reverse osmosis
(€) Activated slude process (D) None of these
Reagent used for COD determination is :
(4) Potassium chromate (B) Iron nitrate
(C) Potassium dichromate (D) None of these
Which of the following is an air pollutant?
(வி Nitrogen oxides (छ) Sulplur dioxide
(©) Carbon monoxide (D) ~] of the above
100. Which of the following is a sludge treatment method?
(2) Sedimentation (B) Trickling filtration
(©) Incineration (D) None of these
24/2015 14 X
