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 Mechanical Engineering ' And exam conducted in the year 2023. And Question paper code was '129/2023'. 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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Which of the following material require largest size of riser for the same size of casting?
(^) aluminum
൯) cast iron
(C) steel
(D) copper
When solidification starts iron will appear in which form?
(A) Gamma (B) Alpha
(C) Delta () Beta
In arc welding the arc length should be approximately equal to:
(A) diameter of electrode
(B) _ half the diameter of electrode
(C)_ one and half times
(D) twice the size of electrode
Chaplets is used in moulding process :
(^) ensure directional solidification
(B) provide efficient venting
(C) connect moulding box
(D) support the cores
Which method is used for the manufacturing of collapsible tooth paste tubes?
(^) Impact extrusion
(B) Direct extrusion
(C) Piercing
(1) Indirect Extrusion
In atomic hydrogen welding hydrogen gas acts as:
(A) Heating agent
(B) One of the gases to generate flame
(C) Effective shielding gas to protect weld
(D) Lubricant to increase flow characteristics of weld metal
11 129/2028
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