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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'JUNIOR INSTRUCTOR MECHANIC MEDICAL ELECTRONICS' And exam conducted in the year 2017. And Question paper code was '023/2017/OL'. 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.
C:-Base bias
D:-None of the above
Correct Answer:- Option-B
Question68:-The advantage of transistor over Vacuum tube is
A:-Very small size
B:-Minimum power loss in the form of heal
C:-Low operating voltage
D:-All of the above
Correct Answer:- Option-D
Question69:-Which of the following should be as high as possible?
A:-signal to noise ratio
B:-hysteresis
രഥും
D:-frequency response
Correct Answer:- Option-A
Question70:-The degree to which variation in the output of an instrument follow input variations is referred to as
A:-sensitivity
C:-hysteresis
D:-accuracy
Correct Answer:- Option-B
Question71:-The 8051 microcontroller is of pin package as a processor.
A:-30, 1 byte
-20, 1 byte
C:-40, 8 bit
D:-40, 8 byte
Correct Answer:- Option-C
Question72:-In induction heating depth of penetration is proportional to
A:-"sqrt {frequency}""
1/ "sqrt {frequency}""
C:-frequency
D:-*"(frequency)*2"*
Correct Answer:- Option-B
Question73:-The ON state voltage drop across IGBT is
A:-Less than that across MOSFET
-Greater than that across MOSFET
C:-Equal to that of MOSFET
D:-None of the above
Correct Answer:- Option-A
Question74:-Which BUS is bi-directional?
A:-Data bus
B:-Control bus
C:-Address bus
D:-Multiplexed bus
Correct Answer:- Option-A
Question75:-The composition of soft solder is
A:-Lead 37% - Tin 63%
B:-Lead 50% - Tin 50%
C:-Lead 63% - Tin 37%
D:-Lead 70% - Tin 30%
Correct Answer:- Option-A
Question76:-Which digital IC package type makes the most efficient use of printed circuit board space?
A:-SMT
-TO can
C:-Flat-pack
D:-DIP
Correct Answer:- Option-A
Question77:-Which of the following can be act as Shear Protectorand
A:-Serum