Kerala PSC Previous Years Question Paper & Answer

Title : Mechanic
Question Code :


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Mechanic' And exam conducted in the year 2023. And Question paper code was '003/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.

page: 10 out of 11
Excerpt of Question Code: 003/2023/OL

Correct Answer:- Option-B
Question86:-What is the purpose of groover in sheetmetal?
A:-Releasing of seam
B:-Compress the seam
C:-Closing and locking the seam
D:-Stress relieving during seaming
Correct Answer:- Option-C
Question87:-What is the maximum cutting capacity of straight snips?
A:-20 SWG
B:-19 SWG
C:-18 SWG
D:-16 SWG
Correct Answer:- Option-A

Question88:-Which rivet is most suitable for riveting soft materials like leather,
plastics etc?

A:-Snap head rivet
B:-Conical head rivet
C:-Counter sunk rivet
D:-Bifurcated rivet
Correct Answer:- Option-D
Question89:-Caulking is an operation of
A:-pressing the whole surface of the edge of the plate
B:-closing down the edges of the plates and heads of the rivet
C:-closing down the center surface of the plate
D:-pressing the plates
Correct Answer:- Option-B
Question90:-The formula generally used in the shop floor, length of snap head rivet
A:-L=T +d (1.3 - 1.6)


Correct Answer:- Option-B
Question91:-Electrode size refers
A:-diameter of its core wire
B:-diameter of electrode
C:-length of the electrode
D:-thickness of flux coating
Correct Answer:- Option-A
Question92:-Arc blow is caused by
A-electronic disturbance
B:-magnetic disturbance
C:-electric disturbance
D:-radio disturbance
Correct Answer:- Option-B

Question93:-The welding machine which is used to convert AC Welding Supply to
DC Welding Supply

A:-engine generator set
B:-motor generator set
C:-transformer set
D:-rectifier set
Correct Answer:- Option-D
Question94:-Name the flame which contains more acetylene and less oxygen
A:-Oxidizing flame
B:-Neutral flame
C:-Carburizing flame
D:-Common flame
Correct Answer:- Option-C

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