Kerala PSC Previous Years Question Paper & Answer
Page:11
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TECHNICAL ASSISTANT LEGAL METROLOGY' And exam conducted in the year 2018. And Question paper code was '061/2018'. 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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RC snubber circuit used for
(ಗಿ) di/dt Protection (B) Over voltage Protection
(C) Over Current Protection (D) dv/it Protection
Programmable language used in PLC
வ VHDL (B) ladder logic
)0 Embedded © (D) python
In thyristor the time interval between 10% of gate current and 10% of thyristor on state anode
current is known as
(ಗಿ) turn-on time (8) rise time
(೧೮) delay time (D) spread time
DIAC actasa
(ಗ) Dbidirectional avalanche diode (8) bipolar transistor
(C) bidirectional SCR (D) unijunction
FET phototransistor have
(¢) less sensitive and low offset voltage
(B) more sensitive and low offset voltage
(C) more sensitive and high offset voltage
(D) less sensitive and high offset voltage
The power rating of a 100 ohm resistor carrying a current of 90 mA should be
Ay 2W (8) ۳
< 1w D) 12W
Which of the following used in narrowband RF frequency multiplier ?
(¢) Zener diode (B) Tunnel diode
(0 P-N junction diode (D) Varactor diode
The resolution of D/A converter is approximately .2% of its full scale range. It is
(ಗಿ) 8-bit converter (8) 4-bit converter
(C) 9-bit converter (D) 12-bit converter
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