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 - Agriculture Development and Farmer's Welfare, Ground Water & Water Transport ' And exam conducted in the year 2022. And Question paper code was '050/2022'. 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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Relays used in long transmission lines is
(A) Impedance relay (B) Mho's relay
(C) Reactance relay (D) None of the above
The material commonly used for insulation in high voltage cables is
(A) paper (B) lead
(C) PVC (D) rubber
66 KV is suitable for transmission of power over
(A) 200 km (B) 120 km
(C) 60 km (D) 30 km
Bundled conductors in EHV transmission system provide
(A) increased capacitance
(B) reduced capacitance
(C) increased inductance
(D) increased voltage gradient
Current flow through the neutral of three phase 4 wire cable is
(A) equal to current in phase wires
(B) equal to the sum of currents in phase wires
(C) less than current in the phase wire
(D) more than the current in the phase wire
Skin effect results in
(A) reduced effective resistance but increased effective internal reactance of the
conductor
(B) increased effective resistance but reduced effective internal reactance of the
conductor
(C) reduced effective resistance as well as effective internal reactance
(D) increased effective resistance as well as effective internal reactance
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