 This site is associated with Kerala PSC Helper.com, Here you can Read and Download Previous Question Papers of Various Examination Conducted by Kerala PSC and Other important Organisations.

# Kerala PSC LINEMAN Previous Question Paper - 3

PART 1 (1-20) | PART 2 (21 - 40) | PART 3 (41 - 60) | PART 4 (61 - 80) | PART 5 (81 - 100)

Kerala PSC Previous Question paper of LINEMAN| PSC Previous Question paper of LINEMAN| LINEMAN Previous Question Paper | Previous Question paper of LINEMAN | Kerala PSC LINEMAN Previous Question Paper | PSC LINEMAN Previous Question Paper | KPSC LINEMAN Previous Question Paper
NAME OF POST :- LINEMAN (N.C.A)
DEPARTMENT :- P.W.D. Electrical Wing
EXAMINATION DATE :- 16-01-2017
41. Whenever heat is developed in a conductor it is governed by the:
(a) Lenz's Law
(b) Ampere's Law

(c) Joule's Law
(d) Newton's Law

42. Squirrel cage induction motor is a:
(a) High starting torque motor
(b) Low starting torque motor
(c) Both (1) and (2)
(d) None of the above

43. Which are fundamental units?
(a) CGS, FPS and MKS
(b) MKS, MKSA and CGS
(c) CGS, FPS and SI
(d) FPS and MKS

44. The flux density is the flux divided by:
(a) Conductivity
(b) Permeability
(c) Area of cross section
(d) Area of the current carrying conductor

45. A pure resistive circuit in AC follows the:
(a) Ohm's Law
(b) Lenz's Law
(d) Kirchhoff's Law

46. Which of the following material has a negative temperature coefficient of resistance?
(a) Brass (b) Copper
(c) Carbon (d) Aluminium

47. 100 W and 40 W lamps are of the same voltage rating the resistance of 40 W lamp is _____.
(a) Higher (b) Lower
(c) The same
(d) Lower with AC higher with DC

48. Metric HP =
(a) 746 watts (b) 746.5 watts
(c) 735.5 watts (d) 735 watts

49. Which lamp will take more current?
(a) 40 watts 200 V
(b) 100 watts 24 V
(c) 1000 watts 230 V
(d) 100 watts 230 V

50. Star/Delta starter used in a:
(a) DC series
(b) DC Shunt
(c) AC single phase
(d) Three phase Induction Motor

51. It is difficult to magnetise steel because of its:
(a) Low permeability
(b) High permeability
(c) High density
(d) High retentivity

(a) One Coulomb per volt
(b) One volt per Coulomb
(c) Joule per volt
(d) Coulomb-Joules

53. Which of the following acts as depolarizer in a Lechlanche cell?
(a) Zinc Chloride
(b) Carbon Powder
(c) Manganese dioxide
(d) Ammonium Chloride

54. What is the method of heat transfer accomplished in a hot water boiler?
(a) Convection
(b) Conduction
(d) None of the above

55. Which motor is suitable for rolling mills?
(a) DC shunt motor
(b) DC series motor
(c) DC cumulative motor
(d) DC differential motor

56. Composition of fuse wire:

57. Rated capacities of IC TP 300A switch:
(a) 500 V (b) 1000 V
(c) 230 V (d) 250 V

58. XC =
(a) R-XL (b) 2pi Fl
(c) 2 pi FC (d) (1)/ (2piFC)

59. The power factor of a purely resistive circuit is:
(a) Zero (b) Unity

60. In star connection line current=
(a) Phase current
(b) √3 Phase current
(c) √2 Phase current
(d) None of the above