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 'Training Officer' And exam conducted in the year 2023. And Question paper code was '053/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
Question42:-The power factor of a series RLC circuit is
A:-Always zero
B:-Between zero 1
C:-Always unity
D:-Between zero and - 1
Correct Answer:- Option-B
Question43:-In a series RLC circuit, the inductance is changed from L to L/2. For the
same resonant frequency, the capacitance should be changed from C to
A:-2 C
B:-C/2
C:-4C
D:-C/4
Correct Answer:- Option-A
Question44:-In a series RL circuit, 12 is the current through resistor and :, is the
current through inductor, then
A:-Tn is in phase with 7७
B:-1z lags 1 by 90°
C:-Tn leads 1, by 90°
D:-rgis out of phase with 1,
Correct Answer:- Option-A
Question45:-A voltage of 100 . 20° V drives a current of 10 - 80° A through a single
phase load. The power consumed by the load is
A:-1000 W
B:-866 W
C:-707 W
D:-500 W
Correct Answer:- Option-D
Question46:-A resistor has a colour-code bands Green Violet Brown Gold. It's
nominal value is
A:-57 kQ + 10%
8:-570 ೧.5%
C:-57 kN +5%
D:-570 O = 10%
Correct Answer:- Option-B
Question47:-Which of the following statement is/are true about a PN junction diode
?
i. An ideal PN junction diode acts as an open circuit in forward bias and a short
circuit in