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 'AC Plant Operator' And exam conducted in the year 2023. And Question paper code was '148/2023/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.
B:-Only (ii)
C:-Only (iii)
D:-Only (iv)
Correct Answer:- Option-A
Question8:-Which of the following statement is correct for Oxy-acetylene gas
flame?
(i) It is used only for brazing silver soldering and underwater gas cutting of steel
(ii) Used for welding all ferrous and non ferrous metals and their alloys
(iii) It has carbon and moisture effect
(iv) It is used for heating
A:-Only (i) and (ii)
B:-Only (ii)
C:-Only (iv)
D:-Only (i) and (iv)
Correct Answer:- Option-B
Question9:-Which of the following Hand tools are used by welders during welding
process?
(i) Double ended spanner
(11) Chipping Hammer
(iii) Tongs
(iv) All of the above
A:-Only (iv)
B:-Only (ii) and (iii)
C:-Only (i)
D:-Only (i) and (ii)
Correct Answer:- Option-A
Question10:-What is the effect of opened resistor in series electrical circuit?
A:-No effect in opened resistor
B:-Total supply voltage will appear across the opened resistor
C:-No voltage will appear across the opened resistor
D:-Fill circuit current will flow in opened resistor
Correct Answer:- Option-B
Question11:-What is the minimum thickness of copper plate earth electrode?
A:-3.25 mm
B:-6.3 mm
C:-6.5 mm
D:-3.15 mm
Correct Answer:- Option-D
Question12:-Which type of damping method is used in PMMC instruments?