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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143/23
Which rule is used for determine the direction of magnetic lines in a current carrying
conductor ?
A) Lenz’s law
B) Flemings right hand rule
C) Flemings left hand rule
D) Right hand palm rule
The RMS value of a sinusoidal AC current is equal to its value at angle of
degrees.
A) 90 B) 45 C) 60 D) 30
One ampere current is passed for one second is called as one
A) Ohm B) Watt
C) Volt D) Coulomb
For a symmetrical wave form the average value of one full cycle is
A) 0.637 8) 1.11
61 D) Zero
One weber is equal to
A) 108 lines B) 1019 lines
C) 1012 lines D) 104 lines
The unit of magnetic reluctance is
A) Weber/m?
B) Nw/weber
C) AT/weber
)
0) Lumen/m?
Which of the following frequencies has the longest time period ?
A) 10 Hz B) 1Hz
C) 100 KHz D) 1 KHz
Resistance of a conductor of diameter ‘D’ and length ‘L’ is ‘R’ ohm. If the diameter
is halved and its length is doubled the resistance will be
A) 8R B) 2R Cc) R D) 4R
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