Electrical Cables MCQ Test

  1. The electrostatic stress in underground cables is ..........
  2. What is the main purpose of an electric cable?
  3. What does PVC stands for?
  4. In capacitance grading of cables we use ____ dielectric.
  5. Grading of cables:
  6. Capacitance grading of cable implies:
  7. In a cable the maximum stress under operating conditions is at ___.
  8. In case of three core flexible cable the color of the neutral is ___.
  9. In a cable the voltage stress is maximum at:
  10. What is the main advantage of cables over overhead transmission lines?
  11. What is the advantage of oil filled cables?
  12. Underground cables are laid at sufficient depth:
  13. Sulphur hexafluoride cable is insulated by___.
  14. Is Polyethylene has very poor dielectric and ageing properties?
Electrical Cables MCQ

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Below is the Electrical Cables MCQ test that checks your basic knowledge of Electrical Cables. This Electrical Cables MCQ contains 20 Multiple Choice Questions. You have to select the right answer to the question. Finally, you can also take the Online Quiz from the Take Electrical Cables Quiz Button.

  • Same at the conductor and the sheath
  • Zero at the conductor as well as on the sheath
  • Maximum at the conductor and minimum at the sheath
  • Minimum at the conductor and maximum at the sheath
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  • transporting mechanical energy from one point to another
  • transporting electrical energy from one point to another
  • transporting hydrolic energy from one point to another
  • None of the above
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  • Polyvinyl chloride
  • Post varnish conductor
  • Pressed and varnished cloth
  • Positive voltage conductor
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  • Homogeneous
  • Composite
  • Heterogeneous
  • None of the above
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  • Reduces insulation cost and increases current rating
  • Reduces insulation cost but decreases current rating
  • Increases both
  • Either A or B
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  • Use of dielectrics of different permeabilities
  • Grading according to capacitance of cables per km length
  • Cables using single dielectric in different concentrations
  • Capacitance required to be introduced at different lengths to counter the effect of inductance
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  • Insulation layer
  • Conductor surface
  • Armour
  • Sheath
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  • Sheath
  • Core of the conductor
  • Surface of the conductor
  • Insulator
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  • Easy maintenance
  • used in high voltage circuits
  • used in congested areas
  • Low cost
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  • More perfect impregnation
  • Smaller overall size
  • No ionization, oxidation and formation of voids
  • All of the above
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  • To minimize temperature stresses
  • To avoid being unearthed easily due to removal of soil
  • To minimize the effect of shocks and vibrations due to gassing vehicles, etc.
  • For all of the above reasons
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  • compressed gas
  • PVC
  • High-pressure oil
  • Impregnated paper
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  • Varnished cambric
  • Vulcanized rubber
  • Impregnated paper
  • None of the above
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  • Be acid proof
  • Be non-inflammable
  • Be non-hygroscopic
  • Have all above properties
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  • becomes one-fourth
  • remains unchanged
  • becomes double
  • becomes one-half
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  • lower transmission losses
  • absorb emergency power loads
  • lower maintenance costs
  • additional cost for the cable
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