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 'FOREMAN SERVICE WORKSHOP KERALA SMALL INDUSTRIES DEVELOPMENT CORPORATION LTD SIDCO' And exam conducted in the year 2015. And Question paper code was '236/2015'. 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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80,
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82.
The silver coating on the glass surfaces of a Thermos bottle reduces energy that is
transferred :
(A) Conduction (B) Convection
(C) Radiation (D) Friction
The steady state conditions in diffusion are governed by :
(A) Fiek’s second law (8) Fick’s first law
(C) Both (A) and (B) (D) Maxwell-Boltzmann's [യ
Toughness of steel increased by adding :
(^) nickel (B) chromium
(0 sulphur (12) tungsten
Material used for machine tool bed is :
(ಗಿ) high carbon steel (B) mild steel
(¢) alloy steel (D) ೩೩10೫
The eutectoid mixture of steel is :
(A) A mixture of ferrite and cementite
(B) A mixture of ferrite and austenite
(C) A mixture of austenite and cementite
(D) Called pearlite
Hot rolling of mild steel is carried out :
(ಗ) at recrystallisation temperature
(18) between 100°C to 150°C
(09) below recrystallisation temperature
(D) ماد recrystallisation temperature
Piston rings for engines are made വി:
(A) castiron (18) copper
(€) aluminium (D) mild steel
Aluminium is not good for die casting because :
(ಗೆ) it is light and strong
(B) it tends to react chemically with the die surface
)© it takes longer time to cool
(11) its melting point is high and it expands on solidification
236/2015 . 6 A
