Transmission & Distribution Which of the following is the demerit of a 'constant voltage transmission system'? Availability of steady voltage at all loads at the line terminals Increase of short-circuit current of the system Improvement of power factor at times of moderate and heavy loads 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 Increase of short-circuit current of the system Improvement of power factor at times of moderate and heavy loads Possibility of better protection for the line due to possible use of higher terminal reactants ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Power system stability is least affected by Reactance of generator Input torque Reactance of transmission line Losses Reactance of generator Input torque Reactance of transmission line Losses ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Skin effect is proportional to (conductor diameter)2 (conductor diameter)1/2 None of these (conductor diameter)4 (conductor diameter)3 (conductor diameter)2 (conductor diameter)1/2 None of these (conductor diameter)4 (conductor diameter)3 ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Skin effect only exist in Low voltage dc overhead transmission Cables carrying dc current Ac transmission High voltage dc overhead transmission Low voltage dc overhead transmission Cables carrying dc current Ac transmission High voltage dc overhead transmission ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The square root of the ratio of line impedance and shunt admittance is called the Surge impedance of the line Conductance of the line Regulation of the line None of these Surge impedance of the line Conductance of the line Regulation of the line None of these ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The operating voltage of super-tension cables is up to 11 kV 3.3 kV 6.6 kV 33 kV 11 kV 3.3 kV 6.6 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS