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 'LINEMAN GR.I' And exam conducted in the year 2023. And Question paper code was '143/2023'. 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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An electric iron is rated as 1000 W, 230 V, 50 Hz. The value of 230 V refers to
A) Average voltage
B) RMS voltage
C) Peak voltage
D) Minimum voltage
The time period of an Alternating quantity is 0.04 seconds. The frequency will be
A) 50 Hz B) 100 Hz
0) 25 Hz D) 0.04 Hz
Which of the following can have negative temperature coefficient ?
A) Compounds of silver
B) Electrolytes
C) Liquid metals
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D) Metallic alloys
Conductance is analogous to
A) Permeance B) Inductance
C) Reluctance D) Flux
Peak value of a sine wave is 100V. Its average value is
A) 63.7V 8) 7.07 V
00 ۷ D) 70.7V
What is the S.I. unit of specific resistance ?
A) Ohm/m2 B) Ohm/cm
C) Micro ohm/cm D) Ohm-metre
Which one is the diamagnetic material ?
A) Wood B) Sulphur
C) Copper D) Nickel
What is the unit of susceptance ?
A) Mho B) Ohm
C) Henry D) Farad
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