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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How many gauge numbers in SWG, changed to double the cross section area of the
conductor ?
A) Two gauge sizes decreased
B) Three gauge sizes decreased
C) Four gauge sizes increased
D) Five gauge sizes increased
Which metal has very good conductivity to the electric current ?
A) Gold B) Copper C) Silver D) Aluminium
Which of the following capacitors can have the Highest Capacitance Value ?
A) Mica B) Paper
C) Ceramic D) Electrolytic
Ferrite Cores are used for
A) Low Frequencies B) High Frequencies
C) Very High Frequencies D) None of these
A Resistor has colour code bands Brown, Black, Green and Gold, its nominal value is
A) 1000KQ + 10% B) 100KQ + 5%
C) 10KQ + 5% D) 1KQ+10%
Neutral Atom must have the same no. of
A) Neutrons and Electrons B) Protons and Electrons
C) Positive and Negative Charges D) Protons and Neutrons
Diameter of a Copper wire is doubled, its current carrying capacity becomes
A) Four times B) Three times
C) Twice D) Half
In a Zener Diode shunt voltage regulator, the diode regulates so long as it is kept in
Conduction.
A) Forward B) Reverse
C) Loaded D) Unloaded