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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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A low power factor 3 the circuit means :
(A) it draws more active power
(B) it draws more reactive power
(C) it draws less line current
(D) it causes less voltage drop in the line
A single Walt meter method is used to measure power in :
(ಗಿ) Balanced star connection (B) Balanced delta connection
(C) Un balanced star connection (D) Un balanced delta connection
A capacity to rating ratio of Scott connection is :
(A) 66.6% 18) 76.6%
(0. 86.6% യ) 96.6%
0
Air gap between the two electrodes of a spark plug is :
(ಗಿ) 0.5t0 0.7 mm (B) 0.7to0.9mm
(9 0.9te0.11 mm 00 0.11 to 0.13 mm
Which material is used as the anode of a mercury are rectifier?
(A) மால (B) Copper
(0) Silver (D) Aluminium
Which type of pole is used for transmitting up to 132 KV :
(A) Mild steel pole (7) Wooden pole
(0 Concrete pole (D) Steel Latticide pole
Continuous chattering sound from the armature of an AC no volt coil indicates :
(ಹ) Short circuit in the coil
(B) Open cireuit in the 0011
(¢) Open circuit in the shaded ring
(D) Short circuit in the shaded ring
Mixed brush grades cause :
(ಗ) Vibration
(0) Unequal load distribution among brushes
(C) A groove 10 be cut in the slip rings
(D) No problems
11 99/2015
[P.T.0.]