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 'Lecturer in Electrical and Electronics Engineering TechnicalEducation (Polytechnics)' And exam conducted in the year 2023. And Question paper code was '131/2023'. 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 is the most common fuel used in thermal power plants?
(A) Natural gas (B) Coal
(C) Nuclear fuel (D) Wind energy
A series circuit consists of a coil of a resistance 2 Q and inductance 64 mH and capacitance of
40 8. The Q-factor of the circuit at resonance is :
(A) 20 @) 40 0
(0 60 © (D) None of the above
A coil consists of a resistance of 100 Q and an inductance of 200 mH. If an alternating
voltage v, given by v = 200 sin 500t volts is applied across the coil, the current through the
coil is:
(A) 2A (3) 1.5൧
(0 1A (D) None of the above
Two wattmeters are connected to measure the input power to a balanced three-phase. If the
instrument readings are 8 kW and 4 kW, the load power factor is :
(A) 0.5 (B) 0.866
(0 0 (0) 1
A d.c source having an open-circuit voltage of 24 V and an internal resistance of 1.2 Q is
connected to a load of resistance Ri. The maximum power dissipated by the load is:
(A) 100 भ (8) 240 17
© ۷۴ (0) 120W
Norton equivalent circuit for the network shown in fig. consists of —————— current source
with parallel resistance of
A
68۷ (4 1 50 بوعل
12 2௦
B
2
یم 9.54, 70 (8) 9.53, 10
(C) 65, 2(2 (D) None of the above
131/2023 6 A