Kerala PSC Previous Years Question Paper & Answer

Title : ASSISTANT PROFESSOR IN ELECTRICAL AND ELECTRONICS ENGINEERING TECHNICAL EDUCATION ENGINEERING COLLEGES
Question Code : A

Page:11


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ASSISTANT PROFESSOR IN ELECTRICAL AND ELECTRONICS ENGINEERING TECHNICAL EDUCATION ENGINEERING COLLEGES' And exam conducted in the year 2016. And Question paper code was '063/2016'. 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: 11 out of 16
Excerpt of Question Code: 063/2016

62.

67.

A 4 pole, wave wound DC generator has 144 slots with 3 conductors per slot. if the speed of
17180111116 18 1200 rpm, and the working flux 13 0,0258 11/0/೧019, the generated emf will be :

(ಯ) 108V B) 216V
(೧) 432V D) 864V
Select the correct statement :

(4) 3-point starter is used for improving the efficiency of DC mator
(B) DC series motor shall be started without any load

(0 Equalizer rings are used for reducing the armature reaction
(D) Lap winding is used for low-voltage, high-current generatora

A 4 pole, induction motor is running at 1440 rpm, when standard KSEB supply is given. The
sip of the machine is :

ல 4% 8) 1%
(5 0% D) -100%

The best indirect method to find the regulation of an alternator is :
(^) EMF method (B) MMF method
(C) ZPF method (D) Slip test

Which of the following is not the condition for synchronizing an alternator with the grid?
(ಗಿ) Phase sequence of the alternator is required to be same as that of the grid
(B) Voltage magnitude of both the alternator and grid to be same
(0) Frequency to be same on both sides
(D) Power rating to be same on both sides

The maximum starting torque is developed in an induction motor :
(2) When rotor resistance equals rotor reactance ക്‌
(B) When slip of the machine is unity
(0 When hunting windings are used
(D) When slip rings are used

13 063/2016
[P.T.0]

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