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/ Lineman - KAMCO Ltd/ PWD' And exam conducted in the year 2021. And Question paper code was '015/2021'. 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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In which of the following load power factor is unity ?
(A) Capacitive load
(B) Pure Resistive load
(C) Inductive reactance with resistance
(D) Non capacitive with inductive load
What is the minimum dimension of copper earth plate as per Indian standards ?
(A) 60cm~x 60 മോ 3.15mm
(8) 60 ल) > 30 മോ: 6.38 mm
(C) 60cm~x 60 മോ: 6.38 mm
(D) 40cm~x 40 ला) > 6.18 mm
What is the minimum internal diameter of G.I pipe for pipe earthling as per Indian
standards ?
(A) 32mm (B) 38mm
(C) 28mm (D) 25mm
What is the expansion form of RCCB ?
(A) Residual current control breaker
(B) Residual control circuit breaker
(C) Residual current circuit breaker
(D) Residual circuit current breaker
As per IE Rule 48, the maximum permissible voltage drop in a power industrial circuit
should not more than
(A) 10% of the declared supply voltage
(B) 9% of the declared supply voltage
(C) 15% of the declared supply voltage
(D) 5% of the declared supply voltage
What is the maximum load in a sub-circuit as per IE Rule regarding internal wiring ?
(A) 800W (B) 900W
(൭ 1000 W (D) 700W
According to Indian standards, the insulation resistance of any wiring installation should
not be less than
(A) 10MQ برق 1814೧
(0) 2014൨ (D) 1MQ
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