Kerala PSC Previous Years Question Paper & Answer
Page:10
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.
57. Select the correct statement in connection with symmetrical components :
(ಗಿ) Zero sequence components are three vectors of equal magnitude and are displaced
by 120° phase with each other
(B) Positive sequence components are three vectors of equal magnitude displaced in
phase by 120° and has the phase sequence opposite to that of the original vectors
(0 Negative sequence components are three vectors of equal magnitudé displaced in
phase by 120° and has the same phase sequence ag that of the original vectors
(D) None of the above
58. If two conductors carry current in opposite directions there will be :
(ക) No force acting between them
(B) A foree of attraction between the conductors
(C) A force of repulsion between the conductors
(D) None of the above
59. Ohm'’s law in point form in field theory can be expressed as :
A) V=IR (8) J=of
© J=Efc യ R=pl/A
60. In a dielectric medium :
(A) displacement current is negligible
(ए) displacement current is equal to conduction current
(0 displacement current is higher than conduction current
(D) displacement ம் is lower than conduction current
61. The condition عط maximum efficiency in a single phase transformer is :
(ക Hysteresis Loss = Eddy current loss
(ए) Core loss = Cu loss
(C) Number of primary turns = Number of secondary turns
(D) Primary Loss = Secondary loss
063/2016 ∎ 12 A
