Kerala PSC Previous Years Question Paper & Answer

Title : WORK ASSISTANT NCA KSRTC
Question Code : A

Page:9


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'WORK ASSISTANT NCA KSRTC' And exam conducted in the year 2015. And Question paper code was '219/2015'. 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: 9 out of 12
Excerpt of Question Code: 219/2015

68.

69.

70.

೫1,

72.

78.

74.

78.

The total value of two resistance is 250 when connected in series, and 6QQ W connected in
parallel. Find the value of two resistance :

ல 100,150 ® 120,130
(0 200,50 (2) 19೧, 68೧

The commercial unit of Electrical energy is :
(ಗ) Ampere hour (B) Kilo watt hour
(C) Watt- hour D) 006

How many number of positive and negative plates are placed in a 9 plate lead acid cell?
(^) 4 positive plate and 4 negative plate
(B) b positive plate and 4 negative plate
(C) 5 positive plate and 5 negative plate `
(D) 4 positive plate and 5 negative

A permanent magnet moving coil instrument will read :
(ക Only AC quantities (B) Both AC and DC quantities
(C) Only DC quantities (D) Pulsating quantities

What is the working principle of a two winding transformer?
(ಹ) Self-induction (B) Mutual induction
(C) Principe of DC Motor (D) Lenz's law

Which part of the PMMC instrument produce eddy current damping?
(ಹ) Moving coil (B) Aluminium former
(C) Permanent magnet (D) Soft iron cylindrical core

The process of adding impurities to a semiconductor is known as :
(A) _ Sintering ൪) Drifting
(© Doping (D) Intrusion

A four pole 1200 RPM alternator will generate emf at a frequency ೧:
(ಗ) 26Hz (B) 40Hz
(0 80೫% (D) 600%

11 ; 219/2015
[P.T.0.]

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