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 'Tradesman (Diesel Mechanic)' And exam conducted in the year 2023. And Question paper code was '074/2023'. 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 tool is used for bringing the sheet metal closely together after inserting the
rivets in the hole ?
A) Dolly B) Rivet snap
C) Rivet set D) Drift
What is the name of operation of closing down the edges of the plates and heads of
the rivets to form a metal to metal joint ?
A) Hemming B) Fullering
C) Caulking D) Spinning
What are the important criteria for selecting a flux ?
A) Working temperature of solder and proportion of the solder
B) Working temperature of the solder, soldering process and material to be joined
C) Soldering process and working temperature of the solder
D) Material to be joined and soldering process
What is the taper ratio of a key way ?
A) 1:20 B) 1:50
C) 1: 100 D) 1:25
Which type of key is used when very high torque of impact type is to be transmitted
in both directions of rotation ?
A) Tangential key B) Wood ruff key
C) Jib-head key D) Hollow saddle key
Which type of screws are used to permit pulleys from slipping on shafts, positioning
and holding collars in place on both shafts and holding shafts in place in assemblies ?
A) Machine screws B) Cap screws
C) Studs D) Set screws
What is the use of slots provided in the castle nut ?
A) Provide space for lubrication
B) Provide space for adjustment
C) Provide space for thermal expansion
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D) Provide space for fixing split pin