Kerala PSC Previous Years Question Paper & Answer
Page:10
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Engineer - United Electrical Industries Ltd' And exam conducted in the year 2023. And Question paper code was '231/2023'. 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.
58.
59.
60.
61.
62.
63.
64.
A house consists of 7 light points and 5 fan points. As per the Indian standard, how many
sub-circuit are needed?
(A) 1 (B) 8
(0 4 (D)
bo
A cable of 50 km long have an insulation resistance of 2 MQ. Find the insulation resistance of
the same cable of length 100 km from the following :
(A) 2MQ (B) 1MQ
(Cc) 4MQ 0) 0.5MQ
Ina cable, the thickness of insulation around the conductor depends on :
(^) Current (B) Voltage
(C) Frequency (D) Power factor
The power device suitable for an application in which high switching frequency and lower
power is:
(A) MOSFET (3) BJT
(C) IGBT ൯൩) Thyristor
In a thyristor, the multimeter shows positive voltage at the anode terminal with respect to
the cathode terminal, then the number of blocked p-n junction is:
(A) (B) 8
(0 1 (D) 4
bo
The ripple free current flow through the load at the output of a single phase full converter is
40 A. Then the average current through each thyristor is :
(A) 18.8 & (8) 40A
(© 10A (D) 20A
The ripple peak to peak current flowing through the filter capacitor of a buck converter is
found to be 2 A. The ripple free DC current flow through the output load resistance is 10 A.
Then the peak current flow through the semiconductor switch is :
(A) 9A رمأ ۸
(0) 104 (D) 2A
231/2023 12 A