Transmission & Distribution Skin effect is noticeable only at _____ frequencies. Audio All Low High Audio All Low High ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution For transmission of power over a distance of 500 km, the transmission voltage should be in the range 100 to 120 kV 150 to 220 kV 60 to 100 kV 20 to 50 kV 100 to 120 kV 150 to 220 kV 60 to 100 kV 20 to 50 kV ANSWER DOWNLOAD EXAMIANS APP
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 Steepness of the travelling waves is alternated by _____ of the line. Inductance Resistance All of the listed here Capacitance Inductance Resistance All of the listed here Capacitance ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution When a conductor carries more current on the surface as compared to core, it is due to Permeability variation Skin effect Corona Unsymmetrical fault Permeability variation Skin effect Corona Unsymmetrical fault ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The loads on distributors systems are generally None of these Unbalanced Either of the above Balanced None of these Unbalanced Either of the above Balanced ANSWER DOWNLOAD EXAMIANS APP