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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Shadow price in linear programming refers :
(A) lowest sales price
(B) maximum cost per item
(C) value assigned to one-unit
(D) cost of bought-out items
Preheating is essential in welding :
(A) _ high speed steel ൯) cast iron
(C) non ferrous metal ൯) none of these
Which structure has maximum hardness?
(^) Pearlite (B) Martensite
(C) Sorbite (D) None of these
Tempering of hardened steel is done to increase :
(൧) grain size (B) _ surface condition
(C) ductility (D) carbon content
Age hardening is generally applicable to :
(^) Cast iron
(B) medium carbon steel
(C) high alloy steel
(D) alloys of alumnium, magnesium, nickel
What is the atomic packing factor for FCC crystal structure?
(A) 0.64 (B) 0.68
(C) 0.74 (D) 0.78
Burgers vector in screw dislocation :
(A) perpendicular to the dislocation line
(B) _ inclined to dislocation line
(0 parallel to dislocation line
(1) opposite to dislocation line
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