A 3 wire dc distribution system makes available None of the listed here One voltages Two voltages Three voltages TRUE ANSWER : ? YOUR ANSWER : ?
The distribution transformer is generally connected in Star/star Star/Delta Delta/Delta Delta/Star TRUE ANSWER : ? YOUR ANSWER : ?
The usual span with RCC Poles are 40-50 meters 60-100 meters 800-100 meters 300-500 meters TRUE ANSWER : ? YOUR ANSWER : ?
The steel used in steel cored conductors is usually High speed steel Mild steel Stainless steel Alloy steel TRUE ANSWER : ? YOUR ANSWER : ?
When a conductor carries more current on the surface as compared to core, it is due to Corona Unsymmetrical fault Skin effect Permeability variation TRUE ANSWER : ? YOUR ANSWER : ?
As the thickness of the insulation of a cable increases, its capacitance Increases Remains same Decreases None of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following D.C. distribution system is the simplest and lowest in first cost? Ring system None of these Interconnected system Radial system TRUE ANSWER : ? YOUR ANSWER : ?
Overhead system can be designed for operation upto 11 kV 33 kV 400 kV 66 kV TRUE ANSWER : ? YOUR ANSWER : ?
A lightning arrester is usually located nearer to Transformer isolator Circuit breaker Busbar TRUE ANSWER : ? YOUR ANSWER : ?
In capacitance grading of cables, the dielectric of highest permittivity is None of the listed here In the middle Farthest away from core Near the core TRUE ANSWER : ? YOUR ANSWER : ?