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 'LINEMAN PUBLIC WORKS ELECTRICAL WING' And exam conducted in the year 2015. And Question paper code was '099/2015'. 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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The value of absolute permittivity of air is ;
(ಗ) 9101/01 18 5.842 1058/11
(9 93105371, (1) 8.864 = 1012 F/M
The applied voltage of a transformer is increazed by 50% while its frequency 15 reduced 10
50% the core flex density will :
(ക became three times (7) became 3/4
(C) - became 1/3 (D) remain the same
How many parallel paths in a triplex winding for the flow of armature current?
^) 2 @ 4
© 6 D) 8
The Q paint in a voltage amplifier is selected in the middle of the active region because :
(A) it gives distortionless output '
(B) the operating coil then becomes very stable
(C) the circuit then requires less number of resistors
(12) it then requires a small DC voltage 1
The EMF per cell of an Edison cell is :
Ay 18 By 12
(9 15 ॐ) 14
A transformer has the maximum efficiency when copper lossfiron loss is :
(A) 2 < (®) 15
87 بت 0.5
A synchronous motor draws 0.8 leading power factor current the armature reaction is :
(५) Magnatising
(1) £ पाद्यादि
(0 Magnatising and cross magnatising
(D) De magnatising and cross magnatising
What is the negative phase sequence of three phase connection?
(ക RYB (B) RBY
(0 ம D) BYR
If the full load iron loss of a transformer is 500 w. What will be its iron loss at half load?
(5) 125w ' ए) 250w
(9 500w D) 100w
99/2015 10 A
