Kerala PSC Previous Years Question Paper & Answer
Page:6
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.
D:-0.329
Correct Answer:- Option-C
Question28:-1C 7805 is used for
A:--5V
B:-8V
C:-10V
D:-5V
Correct Answer:- Option-D
Question29:-Codes used for spreading in CDMA system is
A:-Orthogonal
B:-Non orthogonal
C:-Cyclic
D:-Huffman
Correct Answer:- Option-A
Question30:-Which wireless mobile technology is used for image transmission?
A:-1G
B:-2G
C:-3G
D:-None of these
Correct Answer:-Question Cancelled
Question31:-A resistance temperature detector (RTD) has a resistance of 100 at
0°C. When measuring the temperature of a process, a resistance value of 15Q is
recorded. calculate the temperature corresponding to this resistance value. Assume
that the sensing element used in the RTD has a temperature coefficient of
resistance of 0.001/°C
A:-500°C
B:-333.33°C
C:-66.66°C
D:-250°C
Correct Answer:- Option-A
Question32:-Which type of radiation is typically used in the radiation absorption
method for level measurement?
A:-Alpha particles
B:-Beta particles
C:-Gamma rays
D:-X-rays
Correct Answer:- Option-C