Transmission and distribution

Radial system

Ring system

distribution system is the simplest and lowest in first cost? A. Radial system B. Ring system C. Interconnected system

None of the above

Cross or short-circuit fault

Open circuit fault

Breakdown of cable insulation

All of the above

6.6 kV

11 kV

33 kV

66 kV

40-50 meters

60-100 meters

poles are A. 40-50 meters B. 60-100 meters C. 80-100 meters

300-500 meters

$${left( {{ ext{conductor diameter}}} ight)^{ rac{1}{2}}}$$

(conductor diameter)4

(conductor diameter)2

(conductor diameter)3 E. none of the above

Reduces power factor

Corrodes the material

Gives odour

Transfer energy to the ground

Suspension insulators

Pin insulators

Both (A) and (B)

None of the above

From 2 to 5 years

10 to 15 years

25 to 30 years

60 to 70 years

Lead

Paper

Rubber

None of the above

Aluminium

Steel

Brass

Copper