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 'MACHINE OPERATOR GR.II(Kerala State Co-Operative Coir Marketing Federation LTD)' And exam conducted in the year 2023. And Question paper code was '146/2023'. 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 statement is correct for Galvanizing?
() Mild steel is coated with zinc.
(11) Medium carbon steel is coated with zinc.
(ID High speed steel is coated with zinc.
(IV) Cast iron is coated with zinc
(A) (४) رم (ता)
(0 ad ൭ ൭
Which one of the following purpose is not true about a Lubricant?
() Reduce friction
(11) Prevents wear
(11) Prevents adhesion
(IV) Can absorb shocks
(A) Only (ID and (IV) (B) Only (IV)
(C) Only (17 ೩76 (111 (D) Only ) and dD
Which of the following statement is correct about Lapping?
() Improves geometrical accuracy
(1) Refines surface finish
(IID Improve the quality of fit between the mating components.
(IV) To relive the internal stresses
(A) Only (D and (IID) (B) Only (ID and (IV)
(C) Only (D, dD and (IID) (D) Only (1D) and (IV)
How many electrons are there in the third shell of the Aluminium atom?
(A) 18 (B) 3
(0 8 (D) 13
Two resistors when connected in series give the total resistance 4 Q and when connected in
parallel the total resistance become 1 Q, what are the values of each resistors?
(A) 1Qand2Q ൯) 2೧೩೧42೩೧
(0) 1Qand4Q ൯൩) 3൨൧൪1൨
15 146/2023
[P.T.0.]