Kerala PSC Previous Years Question Paper & Answer

Title : CHARGEMAN ELECTRICAL/TECHNICIAN GRADE II FOAM MATTINGS INDIA LTD/KCMMF LTD
Question Code : A

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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'CHARGEMAN ELECTRICAL/TECHNICIAN GRADE II FOAM MATTINGS INDIA LTD/KCMMF LTD' And exam conducted in the year 2014. And Question paper code was '205/2014'. 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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Excerpt of Question Code: 205/2014

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A permanent magnel moving coil instrument will read :
{A) Only AC quantities (8) Both AC and DC quantities
{©} Only DC quantities (D) Pulsating quantities

What is the colour of neutral in single phase or three phase circuits ?
(ക) 800% (B} Blue (©) Yellow (D) ண

One lamp can be controlled from five locations by using intermediate switches and two way
switches. How many numbers of intermediate switches and two way switches are required
to control a lamp from 5 positions 7

(ക) Intermediate switches 2 and two way swilches 3
(B) Intermediate switches 4 and two way switches 1
)© Intermediate switches 1 and two way switches 4
(D) Intermediate switches 3 and two way switches 2

What will happen to the value of earth resistance if the length of the earth pipe is
increased ?

(A} 17೮೯೮೩5೮ {B) Decrease
(C) Remain same (D) None of the above

What is the SWG of copper earth conductor ‏لز‎ the maximum circuil current is 15 A ?
(ക) No. 14 (8) No.10 (೧) No.12 (D) No.8

What is the thickness of copper plate used for earth electrode ?
(ಯ) 63 mm (B) 3mm (C) 33 mm (0) 3.15 mm

What 15 the number of poles if the speed is 3000 RPM and frequency is 50 Hz of an
alternator ?

(है) 4 (8) 2 © 6 () 8

Alternators are rated in ்‌
ക KW (B) HP (ಲ) KVA (D) KVAR

What is the working principle of a two winding transformer ?
(ಗಿ) Self-induction (ए) Mutual induction
(C) Pringiple of DC motor (D) Lenz's Law

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