Which of the following regulations is considered best? Mark as favorite Copy Link 50% 20% 10% 2% Check Answer
Which of the following bar schemes is the most expensive? Mark as favorite Copy Link Double bus-bar double breaker Ring bus-bar scheme Single bus-bar scheme Main and transfer scheme Check Answer
Which of the following bus-bar schemes has the lowest cost? Mark as favorite Copy Link Ring bus-bar scheme Single bus-bar scheme Breaker and a half scheme Main and transfer scheme Check Answer
When a live conductor of public electric supply breaks down and touches the earth which of the following will happen? Mark as favorite Copy Link Current will flow to earth Supply voltage will drop Supply voltage will increase No current will flow in the conductor Check Answer
The operating voltage of extra high tension cables is upto? Mark as favorite Copy Link 6.6 kV 11 Kv 33 kV 66 kV Check Answer
310 km line is considered as? Mark as favorite Copy Link a long line a medium line a short line any of the above Check Answer
When a conductor carries more current on the surface as compared to core, it is due to? Mark as favorite Copy Link permeability variation corona skin effect unsymmetrical fault Check Answer
Which of the following is neglected in the analysis of short transmission lines? Mark as favorite Copy Link Series impedance Shunt admittance J2R loss None of the above Check Answer
Skin effect exists only in? Mark as favorite Copy Link a.c. transmission high voltage d.c. overhead transmission low voltage d.c. overhead transmission cables carrying d.c. current Check Answer
The string efficiency of an insulator can be increased by? Mark as favorite Copy Link correct grading of insulators of various capacitances reducing the number of strings increasing the number of strings in the insulator none of the above Check Answer