Kerala PSC Previous Years Question Paper & Answer

Title : Furnce Operator Kerala Municipal Common Service / Electrician Health Services / Lineman PWD
Question Code : A

Page:12


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name ' Furnce Operator Kerala Municipal Common Service / Electrician Health Services / Lineman PWD ' And exam conducted in the year 2019. And Question paper code was '026/2019'. 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: 12 out of 16
Excerpt of Question Code: 026/2019

78.

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85,

Brass contains Copper and .
(A) Tin (B) Lead
(C) Zinc (D) Nickel

The earth resistance of any earthing should not be more than
(ಹ) 1ohm (B) 5ohm
© 10൨ ©) 3ohm

The minimum size of earth conductor used ‏طط‎ a domestic installation is
(A) 6 (3) 12SWG
(ಲ) 168%6 (D) 6

In an ac circuit 3 €2 resistor is connected in series with a 4 Q) capacitive reactance. The
impedance of the circuit is

வ 52 © ©
(0 18 യു 25൨

The speed of synchronous motor is always
(A) Less than synchronous speed (൫) Synchronous speed
(C) More than synchronous speed (D) Low speed at heavy load

The working of a synchronous motor is similar to
(A) DC series motor
(B) The power transformer
(C) Induction motor
(D) The transmission of mechanical power by a shaft

Synchronous motor runs with
(ക) lagging pfonly (B) leading pf only
(C) both lagging and leading pf (D) Unity power factor only

‘Which of the following motor has centrifugal switch ?
(^) Hysteresis motor (൫) Reluctance motor
(€) Stepper motor (D) Shaded pole motor

26/2019 12 A

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