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 SMITHY FORGING AND HEAT TREATING TECHNICAL EDUCATION' And exam conducted in the year 2015. And Question paper code was '185/2015'. 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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It is mecessary to temper all سے after hardening :
(A) To increase the hardness (8) To reduce the hardening strain
(C) To reduce the scale formation (0) To increase the brittleness
When hardening steel by the carburizing process, after the steel has been heated to the
correct lemperature and for the correct amount of time, furnace is shut off and the steel is :
(ക) Retained in the furnace to'cool (8) Removed and quenched in air
© Removed and quenched in water (D) Removed and quenched in oil
Proper സ്യ! ല് 16 _ ௨
scaling of parts being hardened.
(ക) Atmosphere (8) Fuel (€) 4۹ (D) Temperature
in a heat-treating furnace is necessary Lo prevent excessive
An important scooter part produced by drop forging is :
(A) Piston (ए) Kick-start pedal (C) Cylinder (D) Brake drum
The process of softening a metal piece and removal of internal stress is called
(^) Annealing (B) Planishing (C) Burnishing (D) Sheardizing
Connecting rods and Double ended spanners are manufactured in large quantities by
_ _ process.
(ಗಿ) Spinning (ए) Forging (€) Punching (D) Casting
The product which results from annealing white 6851 17011 15 called :
(A) Nodulariron (൫ Spheroidal iron )© Gray castiron (D) Malleable iron
In hot working of metals, the temperature of material is :
(ಗಿ) Above melting point of the material
(ए) 100°C
(€) Above recrystallisation tempetature
(D) Above room temperature
9 185/2015
{P.T.O.]
