Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TRADESMAN ELECTRICAL TECHNICAL EDUCATION/ELECTRICIAN GROUND WATER /ELECTRICIAN GR II PRINTING GOVT PRESSES ELECTRICIAN AGRICULTURE /ELECTRICIAN GR II THE KERALA CERAMICS LTD' And exam conducted in the year 2015. And Question paper code was '112/2015'. 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.
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The direction of rotation of a capacitor-start motor can be reversed by :
(മ) reversing the supply terminal connections
(B) reversing the connection of the auxiliary winding
(C) reversing the connection of both the main and auxiliary winding
(D) reversing the connection of either the main or the auxiliary winding
What is the synchronous speed of a six-pole induction motor running on power at 60 Hz
supply?
(ಹ) 1200 rpm (B) 1000 rpm
(C) 7200 rpm (D) 6000 rpm
The output of an alternator is in :
வ ம (8) KVA
(0 KW (D) BHP
The other name of field current in an alternator is :
(ಹ) load current (൫) armature current
(0 exciting current (D) induced current
A 6-pole, 1200 rpm alternator will generate emf at the frequency of :
(4) 508% (B) 60Hz
(C) 40Hz (D) 30Hz
The voltage induced in the armature of an alternator will be :
(A) pulsating DC (B) oscillating
(©) DC (D) AC
In Scot connection, the teaser transformer has a tapping of ——————— transformer.
(4) 86% of main (®) 56% of main
(C) 50% of secondary ത) 58% of secondary
The common method of cooling a power transformer is :
(A) air cooling (B) air blast cooling
(C) oil cooling with air blast (0) 011 ೧೦೦11138 with water forced
112/2015 8 A
