As the thickness of the insulation of a cable increases, its capacitance Decreases Increases Remains same None of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
Corona is likely to occur maximum in Transmission line Domestic wiring All of the listed here Distribution line TRUE ANSWER : ? YOUR ANSWER : ?
For transmission of power over a distance of 500 km, the transmission voltage should be in the range 60 to 100 kV 100 to 120 kV 150 to 220 kV 20 to 50 kV TRUE ANSWER : ? YOUR ANSWER : ?
Low voltage cables are meant for use up to 11 kV 6.6 kV 3.3 kV 1.1 kV TRUE ANSWER : ? YOUR ANSWER : ?
In a 3 wire dc system, the current in +ve outer is 200 A and in the -ve outer is 100 A. The current in the neutral wire is 0 A 200 A 100 A 300 A TRUE ANSWER : ? YOUR ANSWER : ?
As a mater of economy, voltage for power transmission should be None of the listed here High Medium Low TRUE ANSWER : ? YOUR ANSWER : ?
On which of the following does the size of a feeder depend? Current carrying capacity Voltage drop Voltage Frequency TRUE ANSWER : ? YOUR ANSWER : ?
In the interconnected system, the reserve capacity of the system Increases None of the listed here Remains same Decreases TRUE ANSWER : ? YOUR ANSWER : ?
The distribution transformer is generally connected in Star/star Delta/Star Star/Delta Delta/Delta TRUE ANSWER : ? YOUR ANSWER : ?
When a conductor carries more current on the surface as compared to core, it is due to Corona Skin effect Unsymmetrical fault Permeability variation TRUE ANSWER : ? YOUR ANSWER : ?