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 'ELECTRICIAN HEALTH SERVICES MEDICAL EDUCATION SERVICE ARCHAEOLOGY QUESTION PAPER' And exam conducted in the year 2017. And Question paper code was '047/2017'. 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.
047/2017 ഇ!
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Synchronous speed, پا −−
120 f
0
120 60 601
क o = ०
B) 1
Which of the following has negative temperature cosefficient of resistance ?
A) Silicon B) Copper
C) Iron D) Brass
Secondary of a CT must be connected to an ammster or must be short circuited in
order to avoid
A) High secondary emf
B) Increase in iron loss
C) Excessive heating of the core
D) All of the above
Rotor speed of 3 phase, 4 pole, 50 Hz induction motor
A) 1440 RPM B) 1500 RPM
C) 1560 RPM D) 1600 RPM
Barrier potential of silicon at room temperature of 25°C is
A) 03V B) 04V
0) 07% D) 09V
Power rating of low power transistors are
A) up to 10 watts B) up to 20 watts
C) Lessthan 2 watts D) up to 15 watts
Convert decimal 9 to binary.
A) 1011 B) 1000
C) 1100 D) 1001
Boolean expression for OR gate is
A) Y=AB B) Y=A+B
© ೫೨೩5 D) Y=A+B
