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 ' Electrician- cum- Mechanic' And exam conducted in the year 2023. And Question paper code was '118/2023/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.
C:-Wetting of soldering
D:-Tinning of soldering iron
Correct Answer:- Option-D
Question17:-What is the effect in resistance of the conductor, if its diameter is
doubled?
A:-Increase to two times
B:-Increase to four times
C:-Decrease to half the value
D:-Decrease to 1/4th value
Correct Answer:- Option-D
Question18:-What is the name of imaginary lines which are perpendicular to the
magnetic axis and passes through the centre of the magnet?
A:-Magnetic axis
B:-Magnetic lines
C:-Magnetic neutral axis
D:-Magnetic line of face
Correct Answer:- Option-C
Question19:-How the hard sulphation defect in lead acid battery can be rectified?
A:-Changing with new electrolyte
B:-Replacing with new electrodes
C:-By trickle charge
D:-Recharging the battery for short period at high current
Correct Answer:- Option-C
Question20:-What is the average value for voltage (v..) , if the maximum value is ಗ.
?
ணக பபச
217 حر 17-: 8
भ (1)
0.637۷ - وو ۷-: 0]
Correct Answer:- Option-D
Question21:-For which type of fire, the foam fire extinguisher is most suitable?
A:-Class 'A' fires
B:-Class 'B' fires
C:-Class 'C' fires
D:-Class 'D' fires
Correct Answer:- Option-B
Question22:-What is the expansion of ABC in first aid treatment?