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 'ELECTRICIAN KERALA TOURISM DEVELOPMENT CORPORATION' And exam conducted in the year 2017. And Question paper code was '149/2017'. 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.
149/2017 O ۷ل
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. Ifthe frequency changes from 50 Hz to 100 Hz keeping voltage constant, the inductive
reactance of coil connected to supply
A) Remains same 8) 8600776 ೧8/1
0) 8600716 6೦೬೧196 D) Become 4 times
The true power consumed by the pure inductor is
A) O watt B) 1 watt C) 2watt D} 4 watt
Capacitance is not affected by
A) Plate area B) Distance between plates
C) Dielectric material D) Frequency
In a capacitive AC circuit
A) Current leads the voltage B) Voltage leads the current
C) Current is inphase with voltage D} Currentlags the voltage
Synchronous motor when used for power factor improvement should be
A} Under excited B} Over excited
C) Loaded D) Running on no-load
To increase the ampere rating the cells are to be connected in
A) Series 8) Parallel C) Series-parallel D) Parallel-series
The capacity of a cell is measured in
A} Volt-hour 8) Volts 0) Ampere D} Ampere-hours
The metal used for the control spring in electrical instrument is
A) Steel B) Nichrome
C) Hard drawn copper D) Phosphor bronze
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