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 'TRADESMAN CHEMICAL ENGINEERING TECHNICAL EDUCATION QUESTION PAPER' And exam conducted in the year 2017. And Question paper code was '062/2017'. 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.
062/2017
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The residual solution from which the solute extracted is known as
A) Raffinate
C) Extract
B) Residus
D) Solvent
Find the pressure which is not equal to 1 standard atmosphere.
A) 1.01325 bar
C) 760 mm Hg
1 g mole of a compound consists of
A) One molecule of the compound
0) 6.023 x 10% molecules
8) 1.01325 Pa
D) 1.01825 x 10° N/m?
B) One atom of the compound
D) 22.4 x 10°molecules
500 kg of wet solid are 10 be dried from 60% to 20% moisture. How many kilograms of
water removed 7
A) 400 B) 200
Constant volume process is known as
A) Isobaric process
C) Adiabatic process
Aqua regia is a mixture of concentrated
A) Nitric acid and hydrochloric acid
B) Sulphuric acid and hydrochloric acid
C) Sulphuric acid and nitric acid
D) Phosphoric acid and sulphuric acid
Unit of viscosity is
1585 )8 ۳۶ (ھ
German silver contains
A) Gemanium, Silver, Copper
C) Copper, Nicksl, Zinc
൭) 300
D) 100
B) Isothermal process
D) Isochoric process
©) छना D) N/s
B) Copper, Silver, Nickel
D) Silver, Germanium, Gold
If pH value of a solution decreases from 3 o 2, then hydrogen ion concentration change by
A) Increases 10 times
C) Remain unchanged
B) Decreases 20 times
D) Doubles
