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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Instructor Gr I (Electrical Engineering) - Technical Education' And exam conducted in the year 2020. And Question paper code was '059/2020'. 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.
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The most economical DC distribution system is
A) Interconnected system B) Radial system
C) Ring system D) None of the above
Due to sag between two supports the conductor takes the form of
A) Catenary B) Semi-circle
C) Triangle D) Ellipse
In suspension type insulators, the string efficiency can be improved by
1. Grading of insulator discs
2. Reducing the cross-arm length
3. Using guard rings
4. Using a longer cross arm.
A) 2 and 3 are correct B) 1, 3 and 4 are correct
©) 2, 3 and 4 are correct D) 1 and 2 are correct
Electric power for steam locomotive is provided through
A) Overhead wire B) Battery system
C) Small turbo-generator D) Diesel engine generator
The vertical core type induction furnace requires supply at
A) Normal frequency B) High frequency
C) Very low frequency D) Independent of frequency
Pin type insulators are mainly used in
A) Distribution system
B) Transmission system
C) Transmission and distribution system
D) EHV transmission system
The 8051 uses which RAM locations for register RO-R7 on powering up ?
A) 00-2F B) 00-07
C) 00-7F 0) 00-0೯
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