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 ' Junior Instructor (Draughtsman Mechanic)' And exam conducted in the year 2023. And Question paper code was '180/2023'. 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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Screw thread profile adopted by B.LS.:
(^) Unified thread (B) Buttress thread
(C) Square thread (D) Worm thread
A double-threaded screw has a pitch of screw 2 mm. How much the screw advances if it is
made 2 revolutions?
(A) 2mm (B) 4mm
(C) 6mm (D) 8mm
Which thread is denoted by SQ 50 x 10?
(A) Square thread with 50 mm major diameter and 10 mm pitch
(B) Square thread with 10 mm major diameter and 50 mm pitch
(C) Square thread with 10 mm minor diameter and 50 mm pitch
(D) Square thread with 50 mm minor diameter and 10 mm pitch
Screwed joints are :
(A) Permanent joints
(B) Temporary joints
(C) Neither permanent nor temporary joint
(D) Both temporary and permanent joints
A fastening device having external threads on its both ends is called :
(A) Hexagonal bolt (3) Eye bolt
(C) Square bolt (D) Stud bolt
A nut in which slots are cut in a cylindrical collar provided on the top of the nut is called :
(A) Simmond’s locknut (B) Penn nut
(C) Castle nut (D) Sawn nut
If the diameter of the rivet is d, then what is the margin?
(A) 0.5d (B) 15d
( 1.0 6 (D) 03d
According to arrangements of plates, which of the following is not a type of riveted joint?
(^) Single cover plate butt joint (B) Double cover plate butt joint
(C) Lap joint (D) Zigzag joint
For a single riveted double strap butt joint, number of rows of rivet is:
(^) Two (B) Three
(C) Four (D) One
5 180/2023
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