Kerala PSC Previous Years Question Paper & Answer

Title : Technician GrII - Electrician - Kerala Co-operative Milk Marketing Federation Ltd
Question Code :

Page:8


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Technician GrII - Electrician - Kerala Co-operative Milk Marketing Federation Ltd' And exam conducted in the year 2020. And Question paper code was '030/2020'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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: 8 out of 16
Excerpt of Question Code: 030/2020

030/2020

50.

51.

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55.

In 5.1. System what will be the unit of Torque of DC motor ?
A) Newton-meter

B) Joule

C) Newton-centimeter

0) Kilogram-meter

What is the purpose of bedding in an underground cable ?

A) To increase the conductivity of the cable

B) To protect the metallic sheath from mechanical injury from armoring
C) To hold the insulators on which conductors are fastened

D) To avoid moisture entering into the cable

Calculate the synchronous speed (N) of 5 HP, 8 pole/415 V/50 Hz, three phase
squirrel cage induction motor

A) 960 rpm

B) 2750 rpm
C) 750 rpm
D) 1000 rpm

In a steam power plant is used to heat the feed water from the flue gas.
A) Super heater

B) Economizer

C) Air pre heater

D) Boiler

While conducting a no-load test ina DC series motor, what consequences will occur ?

A) There will be a decreased field current with the result motor speed will be low

B) The motor will reach such a high speed that the centrifugal force may destroy
the motor winding

C) The armature current will increase abnormally and the fuse will blow

D) The motor will come to rest immediately due to low field current

Epoxy cable joint is used

A) Where heating of the cable is not permitted
B) In temporary joint

C) InH.T. cable joints

D) In ‘T’ Joints only

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