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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Tradesman (Electronics) - DEPARTMENT : Technical Education ' And exam conducted in the year 2022. And Question paper code was '102/2022'. 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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The smallest change which a sensor can detect is known as:
(^) Scale (8)
(C) Accuracy ൬)
RTD stands for :
(^) Resistive Thermal Detector (8)
Which static device converts fixed DC input voltage into variable DC output?
(^) Buck converter (8)
(೮) DC chopper (D)
Which power electronic device is used for switching purpose in computer SMPS?
ಉ SCR ௫
(C) MOSFET (0)
What is the advantage of on-line UPS over offline UPS?
(A) _ It gives constant output frequency
(B) [५ works on single phase or three phase supply
(C) It gives constant power output
Precision
Resolution
Resistance Temperature Detector
(C) Resistance Temperature Device (D) Resistive Thermal Device
Boost converter
GBT
Transistor
(0) 1४18 free from change over and transition problems
What is the function of an Inverter?
(A) Converts AC voltage into DC voltage
(B) Converts AC voltage into lower AC voltage
(C) Converts DC voltage into AC voltage
(D) Converts AC voltage into higher AC voltage
AC link chopper
Which type of solar photovoltaic electric system is designed to operate in parallel and
interconnected with the electric utility grid?
(^) Grid tied system (8)
(೮) Specific load system (D)
How Many 16-Bit Registers are in 8051?
(A) 2 (B)
(0 3 (0)
18
Off-grid system
Higher capacity utility system
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102/2022
[7.7.0.]