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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Mechanic' And exam conducted in the year 2023. And Question paper code was '003/2023/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.
D:-T + d (0.8 ~ 1.2)
Correct Answer:- Option-D
Question76:-The furnace used to manufacture pig iron is
A--Crucible furnace
B:-Blast furnace
C:-Cupola furnace
D:-Pudding furnace
Correct Answer:- Option-B
Question77:-The percentage of carbon contains in mild steel is
A:-0.5-0.8
B:-0.15-0.3
C:-0.4-0.6
D:-More than 1
Correct Answer:- Option-B
Question78:-The purpose of normalizing is to
A:-Remove the induced stresses
B:-Ilmprove machineability
C:-Soften the steel
D:-Improve ductility and toughness
Correct Answer:-Question Cancelled
Question79:-To reduce internal stresses of a hardened tool, the method of heat treatment generally applied 15
A:-Stabilizing
B:-Annealing
C:-Normalizing
D:-Tempering
Correct Answer:-Question Cancelled
Question80:-Heat treatment of metal is necessary
A:-To produce certain desired properties
B:-To make good appearance of compound
:-To increase strength of the metal
D:-To make the metal rust proof
Correct Answer:- Option-A
Question81:-Which marking media is applied on rough forgings and castings?
A:-White wash
-Prussian blue
C:-Copper sulphate
D:-Cellulose lacquer
Correct Answer:- Option-A
Question82:-Fullers are used for
A:-Necking and grooving
-Forging the head of rivets, bolts, etc.
C:-making shoulders with right angles
D:-Upsetting
Correct Answer:- Option-A
Question83:-Which property can be increased in copper by cold forging?
A:-Ductility
B:-Malleability
C:-Tensile stress
D:-Elasticity
Correct Answer:- Option-C
Question84:-Which one of the following is the function of the tuyers in the forge?
A--Permits cooled air
B:-Controls smokes and sparks
C:-Act as an outlet of products of combustion
D:-To clean the forge
Correct Answer:-Question Cancelled
Question85:-The process of decreasing the length of the job in forging
A:-Drawing out
B:-Jumping