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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180/2023
Gang milling is the operation :
workpiece simultaneously
(A) Used for the production of angular surfaces
൯) Used for the production of flat vertical surfaces on both side of a workpiece
(C) Used for machining several surfaces of a
(D) Used for the production of narrow slots or grooves
The largest diameter of work that will revolve without touching the bed of lathe is :
(A) Swing diameter over bed (B) Swing diameter over carriage
(C) Spindle diameter (D) Bar diameter
The angle of inclination of lip with drill axis twist drill for general work is :
(A) 69 degree (B) 59 degree
(C) 49 degree (D) 39 degree
A device which holds and locates a workpiece an
tools is called :
(A)
(0)
Fixture
Locator
guides and controls one or more cutting
B) Clamp
(D) Jig
Identify method used for motion control of tools in NC systems from given options.
(A)
(0)
Point to point (
Contouring
The chip space between the back of one tooth an
cutter is called :
B) Straight cut
൯) Allof the above
the face of next tooth in a plain milling
(A) Lead (B) Cutting edge
(C) Gash (D) Relief angle
The reciprocating member of a shaper is called :
(^) Base (B) Column
(C) Ram (D) Table
Projection welding is a:
(A) Continuous spot-welding process (B) Multi spot welding process
(6) Friction welding (D) Seam welding
Oxygen to acetylene ratio in the case of carburizing flame is:
(A) 0.9: 1 (B) 1:1
(C) 1.5 : 1 (0) 2:1
10 A