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
Power factor of an AC circuit is given by
A) L/Z 8) 28
C) Cos R/Z D) R/Z
The reciprocal of impedance
A) Conductance B) Inductance
C) Susceptance D) Admittance
Which of the following is a vector quantity ?
A) Flux density
B) Relative permeability
C) Magnetic field intensity
)
D) Magnetic potential
The RMS value and mean value is the same in the case of
A) Sine wave
B) Triangular wave
C) Half wave rectified sine wave
)
D) Square wave
The power factor at resonance in R-L-C parallel circuit is
A) 0.08 lagging B) 0.8 leading
C) Unity D) Zero
In an AC circuit a low value of KVAR compared with KW indicates
A) Unity power factor
B) High power factor
C) Low efficiency
)
D) Maximum load current
Specific resistance of a conductor depends on
A) Conductor material
B)
C) Conductor length
D) Conductor radius
Conductor diameter