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.
20. The arithmetical difference between sizes of shaft and hole is negative before assembly that
is called as:
(^) Clearence (B) Transition
(C) Interference (D) None of the above
21. Match the following :
(P) Zero line 0) 25 Nos
(Q) Fundamental deviation (ii) Internal features
(R) Hole (10) Actual size
(S) Measurement after manufacture (iv) Basic size
८५ २.७, ९-0), 8-69, 8-60) (8) 7-69, ९-60), ४-60), 8-6)
© 7-60, ९-0), 8-6), 8-60) (0) 7-09), ९-6४), ४-0), 8-6)
22. Why the fundamental deviation symbol ‘H’ is chosen for holes?
ھ) Upper deviation of H is zero
(B) Lower deviation of H is zero
(C) Mean deviation of H is zero
(D) Fundamental deviation of H is zero
23. In double start thread the lead is expressed I terms of pitch is:
(¢^) 1,519 (8) 1. = 1.5
(0 L=2p 60) 1.= 5
24. Which thread uses in Instruments and other precision work?
(^) BSW thread (B) BAthread
(C) BSF thread (D) Acme thread
25. Which thread has one of its flanks is perpendicular to the axis of thread?
(A) Acme thread (B) Metric thread
(C) Buttress thread (D) Modified Buttress thread
26. Name the shape of grinding wheel used for sharpening milling cutters and reamers:
(^) Straight cup ൯) Flaring cup
(C) Disc wheel (D) Dish wheel
146/2023 6 A