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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ELECTRICIAN KSFDC LTD' And exam conducted in the year 2015. And Question paper code was '135/2015'. 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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(^) Earth resistance (B) Insulation resistance
(0) Break down voltage of installation (D) None of these
Moving iron type instruments are used on :
(^) AC supply only (B) DC supply only
(©) Both AC and DC (D) None of these
Normally the moving iron instruments are provided with :
(4) Eddy current damping (2) Air friction damping
(C) ष्यत friction damping (D) None of these
The gas inside the inner discharge tube of a sodium vapour lamp is :
(A) കാള (B) Neon
) 3ی (D) Hydrogen
Alternators are usually designed to generate :
(^) Variable frequencies (2) Definite frequency
(0 Definite current (D) Definite power
‘When the speed of the alternator increases the frequency :
(ಗಿ) Increases (8) Decreases
(0) Remains constant (D) Changes
In AC circuit the ratio of KW/ KVA represents
(4) Form factor (B) Power factor
(ಲ) Load factor (D) None of these
The reactance of a 2H choke coil at 100 Hz is :
(^) 100೧ (8) 216೧
(© 718೧ (2) 1256 ©
The path of the magnetic flux in a transformer has :
(A) Low resistance (3) High resistance
(0) Low reluctance (D) High conductivity
5 185/2015
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