Copper as conductor for cables is used as________?

Related Mcqs:

1. The thickness of the layer of insulation on the conductor, in cables, depends upon___________?

   A. reactive power
   B. power factor
   C. voltage
   D. current carrying capacity

2. Low tension cables are generally used up to___________?

   A. 200 V
   B. 500 V
   C. 700 V
   D. 1000 V

3. cables are used for 132 kV lines____________?

   A. High tension
   B. Super tension
   C. Extra high tension
   D. Extra super voltage

4. The current carrying capacity of cables in D.C. is more than that in A.C. mainly due to__________?

   A. absence of harmonics
   B. non-existence of any stability limit
   C. smaller dielectric loss
   D. absence of ripples
   E. none of the above

5. High tension cables are generally used up to_____________?

   A. 11kV
   B. 33kV
   C. 66 kV
   D. 132 kV

6. In the cables, the location of fault is usually found out by comparing____________?

   A. the resistance of the conductor
   B. the inductance of conductors
   C. the capacitances of insulated conductors
   D. all above parameters

7. Pressure cables are generally not used beyond__________?

   A. 11 kV
   B. 33 kV
   C. 66 kV
   D. 132 kV

8. The intersheaths in the cables are used to_____________?

   A. minimize the stress
   B. avoid the requirement of good insulation
   C. provide proper stress distribution
   D. none of the above

9. Rubber is most commonly used insulation in cables

   A. Yes
   B. No

10. The advantage of oil filled cables is_________?

    A. more perfect impregnation
    B. smaller overall size
    C. no ionisation, oxidation and formation of voids
    D. all of the above