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 ' Junior Instructor(Technician Power Electronics System-TPES)' And exam conducted in the year 2023. And Question paper code was '125/2023'. 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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The working of SMPS is based on
A) Integral Control Principle
B
0
D) Chopper Principle
)
) Frequency Control Principle
) Phase Control Principle
)
The most suitable device for high frequency inversion in SMPS is
A) BUT B) IGBT C) MOSFET D) GTO
In optical fibers, Rayleigh Scattering is proportional to
1 1 1 1
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Optical fiber works on the phenomenon of
A) Total Internal Reflection B) Polarisation
C) Diffraction D) Refraction
Which type of mechanical splicing exhibits the permanent binding of prepared fiber
ends with the rigid alignment of the tube ?
A) Snug tube splicing B) Loose tube splicing
C) Elastometric splicing D) Precision pin splicing
The macroscopic bending losses show an exponential increase due to
in radius of curvature.
A) Increase B) Decrease
C) Stability D) None of the above
The starting torque of DC motor is Independent of
A) Speed B) Magnetic flux density
C) Armature current D) No. of poles
Servo Motor has terminals.
A) Two B) Six C) Three D) Four