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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.
015/2021
Total Marks : 100 Marks
Time : 1 hour and 15 minutes
1. How many electrons are in a Aluminum atom ?
(A) 13 (B) 18
(0 29 (0) 43
2. What is unit of the quantity of electricity ?
(A) Coulomb (8) 1/70
(೮) Ohm (2) Ampere
३... What is the working temperature of electrician solder ?
(^) 6 (B) 212°C
(C) 215°C (D) 315°C
4. Out of the following which composition of tin and lead used in fine solder ?
(A) 50%, 50% (B) 60%, 40%
(C) 63%, 37% (D) 90%, 10%
5. Which one is equal to one mega ohm 7
(A) 1000000 ൨ (B) 10000൨
(C) 0.10000000 ൨ (D) 100000000 Q
6. Which effect of electric current is used for soldering iron ?
(A) Chemical effect (B) X-ray effect
(C) Light effect (D) Heating effect
7. How many electrons are in the outer most orbit of intrinsic semi conductor atom ?
(A) Two (B) Three
(C) Four (D) Five
8. The normal current carrying capacity of 1.5 sq: mm copper cable 15 16൧. What is the
current carrying capacity of a cable when protected by coarse excess current protection ?
(A) ۸ (B) 14A
(0 ۸ (D) 9A
^ 3 0152021
[P.T.0.]