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 'MACHINE OPERATOR GR.II(Kerala State Co-Operative Coir Marketing Federation LTD)' And exam conducted in the year 2023. And Question paper code was '146/2023'. 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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Which of the following effect of electric current is used in electric bell?
(^) Heating effect (B) Chemical effect
(C) Magnetic effect (09) Shock effect
What is the formula for quantity of electricity (Q)?
(A) Current / Time (B) Current x resistance
(C) Voltage x Current (D) Current x time
Which of the following is the example of semiconductor?
(A) Manganin (B) Gallium
(C) Boron (D) Germanium
What is the unit of conductance?
(A) Ohm (8) Mho
(C) Coulomb (D) Tesla
If —______ electrons passes through a conductor per second having 1 Q resistance with
a potential difference of 1 V causes 1 A current.
(A) 6.24 x 1016 (8). 6.24 » 107
(€) 6.24 x 1018 (D) 6.24 x 1020
What is the indication of neon polarity indicator used for checking DC supply?
(A) Both electrodes will glow
(B) Only one electrode will glow
(C) Both electrodes will be flickering
(D) One electrode will glow and other will be flickering
Which law states that in a closed electric circuit the applied voltage is equal to the sum of the
voltage drops?
(A) Ohm’s law (8) Kirchhoff’s first law
(0) Kirchhoff’s second law (D) Laws of resistance
146/2023 16 A