Kerala PSC Previous Years Question Paper & Answer

Question Code : A


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ELECTRICIAN KSFDC LTD' And exam conducted in the year 2015. And Question paper code was '135/2015'. 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.

page: 1 out of 12
Excerpt of Question Code: 135/2015


Maximum : 100 marks

Time : 1 hour and 15 minutes

In a slip ring induction motor slip rings are connected to the :
(4) ஸு (B) Stator
(C) Exciting field (D) Centrifugal switch

Which motor is used for electric traction?
(4) DC compound motor (B) ദേ phase induction motor
(C) DC series motor (D) DC shunt motor

How many slip rings are there in a slip ring induction motor?
@ 2 © 3
© 4 യ 6

The stator winding of a 3¢ slip ring‘induction motor has 4 poles, How many number of poles

in the rotor winding?
022 ® 4
© 6 0) 8

Which type of capacitor is used in single phase capacitor type motor?
(4) Ceramic capacitor (B) Mica capacitor

(C) Electrolytic capacitor (D) Paper capacitor

What is the effect of single phasing in 3 ¢ induction motor while running?

(ക) The motor will not run (8) Burn out due to overheating

(C) No change in running (D) Will make humming noise

What is the maximum safe temperature of class E insulation?
(ക) 900 (B) 130°C
(© 1200 ൬) 16070


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