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 'Workshop Instructor/ Instructor Gr. II/ Demonstrator in Electronics Engineering' And exam conducted in the year 2023. And Question paper code was '068/2023'. 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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068/23
In the Vidicon camera tube the material which is coated on the very thin metallic film
called signal plate is of nature.
A) Photo resistive B) Photo conductive
C) Photo acoustic D) Photo transitive
An example for audio file format is
A) Tiff B) Jpeg C) Gif D) Mpeg
The woofer system that is used only in the lower part of the audio spectrum is known as
A) Console B) Speaker
C) Subwoofer D) Microphone
In a DVD recording and playback is done by
A) Laser beam for both recording and playback
B)
C) UV for playback and recording
D) IR for both recording and playback
Video head for playback and laser for recording
In TV transmission separation of sync pulses from the composite video waveform is
done by
A) Differentiator circuit
B)
C) Clamper circuit
D) Multivibrator circuit
Clipper circuit
The modulation process in which the carrier wave is continuous in nature is known as
A) Pulse modulation B) Analog modulation
C) Pulse code modulation D) None of the above
In amplitude modulation radio broadcast the maximum modulating signal frequency
used is
A) 5Hz 8) 5 kHz C) 5MHz D) 5 Tera Hz
The circuit which is used in FM receiver to remove noise present in the peak of
received signal is
A) Clamper B) Clipper C) Limiter D) Filter