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 'Instrument Mechanic' And exam conducted in the year 2023. And Question paper code was '158/2023/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.
D:-1 data input and 16 output lines
Correct Answer:- Option-C
Question43:-Electron Gun assembly in CRT consists of :
A:-Accelerating Anode
B:-Control Grid
C:-Vertical deflection plates
D:-Both (1) and (2)
Correct Answer:- Option-D
Question44:-Measurement which cannot be done with an Oscilloscope is
A:-Voltage Wave form
B:-Current through the circuit
C:-Time period
D:-Both (1) and (2)
Correct Answer:- Option-B
Question45:-In 8085 Flag Register, which bit position deal with carry flag?
A:-D0O
B:-D2
C:-D4
D:-D6
Correct Answer:- Option-A
Question46:-The circuit in SMPS which adjust the duty cycle of the main switching
transistors:
A:-EMI filter
B:-PWM controller
C:-Isolator
D:-Input rectifier
Correct Answer:- Option-B
Question47:-Function in Inverters are
1. Converts AC mains supply into DC and stores DC power in the battery.
Il. When AC mains present, the input AC power is directly passes to output load
through changeover relay.
Ill. DC power stored in the battery is converted into AC by the use of electronic
circuits.
A:-Only | and Il are true
B:-Il and Ill only true
C:-Only | and Ill are True
D:-All three are True
Correct Answer:- Option-D