Transmission & Distribution Which of the following is the demerit of a 'constant voltage transmission system'? Possibility of better protection for the line due to possible use of higher terminal reactants Availability of steady voltage at all loads at the line terminals Improvement of power factor at times of moderate and heavy loads Increase of short-circuit current of the system Possibility of better protection for the line due to possible use of higher terminal reactants Availability of steady voltage at all loads at the line terminals Improvement of power factor at times of moderate and heavy loads Increase of short-circuit current of the system ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution As a mater of economy, voltage for power transmission should be Low None of the listed here High Medium Low None of the listed here High Medium ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution When a conductor carries more current on the surface as compared to core, it is due to Unsymmetrical fault Permeability variation Corona Skin effect Unsymmetrical fault Permeability variation Corona Skin effect ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution As a rough guide, the most economical transmission voltage is _____of the length of the line. 2kV/km 1.6 kV/km 3.2kV/km 3 kV/km 2kV/km 1.6 kV/km 3.2kV/km 3 kV/km ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The spacing between phase conductors of a 220 kV line is approximately equal to 3.5 m 8.5 m 6 m 2 m 3.5 m 8.5 m 6 m 2 m ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Transmission line insulators are made of porcelain glass iron P.V.C. porcelain glass iron P.V.C. ANSWER DOWNLOAD EXAMIANS APP
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