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.
9. What is the conductivity of aluminum conductor when compared to copper conductor of
the same size ?
(A) 45% (B) 55%
(C) 60.6% (D) 40%
10. What is the expansion form of XLPE cable ?
(4) Zero loss polyethylene (B) Zero lead polyethylene
(C) Cross linked polyethylene (D) Cross line polyethylene
11. Find the value of resistance in a circuit having current 2.5A and voltage applied 230V ?
(A) 100൨ (B) 50Q
(C) 926 (D) 98൨
12. Which law states that in each closed circuit the sum of all voltage drops is equal to zero ?
(A) Ohm’s law رمق Kirchhoff’s First law
(C) Current law ൯൩) Kirchhoff’s Second law
13. What is the temperature co-efficient of resistance of a semi conductor ?
(A) Negative (B) Positive
(C) One (D) Zero
14. In electrolysis the positive electrode is called
(^) Terminal (B) Cathode
(C) Anode (D) Glass jar
15. What is the value of resistivity of copper ?
(A) 2.4 micro ohm meter (B) 0.017 micro ohm meter
(C) 1.64 micro ohm meter (D) 7.8 micro ohm meter
16. What is the average e.m.f of Leclanche cell ?
(A) 2४ (8) 1.12%
(0) ۷ (2) 1.3%
17. What is the total output voltage if five cells of 1.5V are connected in parallel ?
(ಹ) 7.5% (8) ۷
(C) 5% (2) 8%
015/2021 - | 4 ۲ 7 “A