Page:6
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ELECTRICIAN AGRICULTURE' And exam conducted in the year 2016. And Question paper code was '152/2016'. 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.
45. Rotor copper loss of a three phase induction motor is :
(ക) Fractional slip % input power to the rotor
(8) Fractional slip x output of the rotor
(<) Input power % output power
(12) All the above
46. 1 Metric horse power is :
(A) 742 W (8) 735% (ल) 735.6 ध्र (D) 746 W
47. The back emf set up in the stator of a synchronous motor will depend on :
(A) rotor speed only (8) ஜலம் எம்:
(9) மானம் (5) rotor excitation
48. The armature Wdg of repulsion motor is excited :
(A) resistively (8) inductively (<) conductively (0) capacitively
49. The main disadvantage of shaded pole motor :
(ക) 19% starting torque (8) little over load capacity
(८) low efficiency (0) all the above
50. पर armature flux opposes the main flux is in synchronous machine when the PF is :
(^| पप्तः (8) മല lagging (C) zero leading (D) 08 lagging
51, Dielectric strength of a medium is :
(வி வலம் (B) Ceulomb/m® ( kV/mm (D) Volt/m?
52. Electric intensity is expressed as :
(0) webber (8) Volt/m (ಲು) ஊம் (0) 7
53, Whenever two charges are separated there exist :
(५) magnetic field (8) electric field
(9 electrostatic field (D) emf
152/2016 8