By which of the following systems electric power may be transmitted ?

Related Mcqs:

Owing to skin effect:

A. current flows through the half cross-section of the conductor B. portion of the conductor near the surface carries more current and core of the conductor carries less current C. portion of the conductor near the surface carries less current and core of the conductor carries more cur¬rent D. any of the above E. none … Owing to skin effect:Read More...

The effect of corona can be detected by___________?

A. presence of ozone detected by odour B. hissing sound C. faint luminous glow of bluish colour D. all of the above...

Galvanised steel wire is generally used as______________?

A. stay wire B. earth wire C. structural components D. all of the above...

Which of the following is the demerit of a ‘constant voltage transmission system’ ?

A. Increase of short-circuit current of the system B. Availability of steady voltage at all loads at the line terminals C. Possibility of better protection for the line due to possible use of higher terminal reactants D. Improvement of power factor at times of moderate and heavy loads E. Possibility of carrying increased power for … Which of the following is the demerit of a ‘constant voltage transmission system’ ?Read More...

The spacing between phase conductors of a 220 kV line is approximately equal to________________?

A. 2 m B. 3.5 m C. 6 m D. 8.5 m...