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 'Lecturer in Electronics and Instrumentation (Polytechnics)' And exam conducted in the year 2023. And Question paper code was '121/2023/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.
A:-(a)-(i), (b)-(ii), (€)-(iii)
B:-(a)-(ili), (b)-(ii), (c)-(i)
C:-(a)-(i), (b)-(iii), (c)-(ii)
D:-(a)-(iii), (b)-(i), (c)-(ii)
Correct Answer:- Option-D
Question84:-Using Routh criterion, determine the stability of the system whose
characteristics equation is s*+255+85¢412594205?4165 +16 =0
A:-Marginally stable
B:-Stable
C:-Unstable
D:-None of the above
Correct Answer:- Option-A
Question85:-lf a single phase full converter generates a peak value of 300 V for the
conduction angle 45°, then what will be the average output voltage of the
converter?
A:-Ov
B:-8,
C:- 3000
[2 :- 0300
Correct Answer:- Option-D
Question86:-Ildentify the type of chopper from the circuit shown in Fig
rat} |
உடட்ட
A:-Type B chopper
B:-Type A chopper
C:-Type D chopper
D:-Type C chopper
Correct Answer:- Option-A
Question87:-Ultra filtration rate in dialysis is due to
A:-Blood solute concentration only
B:-Hydrostatic pressure only
C:-Hydrostatic and osmotic transmembrane pressure
D:-Transmembrane pressure only
Correct Answer:- Option-C
Question88:-Which semiconductor laser is typically emit light i the 1200nm to