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 followings are the essential properties of bearing materials?
() Good thermal conductivity
(11) Ability to deform slightly for compensating minor misalignments and _ surface
irregularities
(111) Ability to operate in the required temperature range
(A) @ only (B) (J and (II)
(C) (7 ೩೧4 (11) (D) (0), (11 and (IID
What is the width of a saddle key in terms of the diameter of shaft ‘d’?
(A) 0.25d+2mm ൪൫ 0.50d+ 2mm
(C) 0.55d +3 mm 0) 0.7d+ 1mm
In the rope drive system, the diameter of the pulley should be :
(A) Less than 30 times of rope dia
(B) Greater than 30 times of rope dia
(C) Between 15 to 30 times of rope dia
(D) None of the above
Which standard lays down the standards for parallel or feather keys?
(A) I8:1366 ൪൫ 18:2269
© ௫) 8
Which one of the following is used as lubricant where oil film cannot be maintained because
of the pressures or temperature?
(^) Graphite (B) Carbon
(C) Synthetic Oil (D) Mineral Oil
How many tolerance grades are there in Indian Standard System?
(A) 20 (B) 18
(C) 25 (D) 27
What is the term represented by H in 25H7 tolerance size of a hole?
(A) Fundamental deviation ൯) Clearence
(C) Grade (D) Toughness value
5 146/2023
[P.T.0.]