Rectifiers and Converters In a three-phase mercury arc rectifiers each anode conducts for One-fourth of a cycle One-third of a cycle One-half a cycle Two-third of a cycle One-fourth of a cycle One-third of a cycle One-half a cycle Two-third of a cycle ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following applications, direct current is absolutely essential ? Illumination Electrolysis Traction Variable speed operation Illumination Electrolysis Traction Variable speed operation ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters It is the_______of the transformer on which the magnitude of angle of overlap depends. capacitance all of the listed here leakage reactance resistance capacitance all of the listed here leakage reactance resistance ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because Its boiling point and specific heat are low Its ionization potential is relatively low All of the listed here Its atomic weight is quite high Its boiling point and specific heat are low Its ionization potential is relatively low All of the listed here Its atomic weight is quite high ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The advantage of mercury arc rectifier is that it has high efficiency it is light in weight and occupies small floor space All of the listed here it is comparatively noiseless it has high efficiency it is light in weight and occupies small floor space All of the listed here it is comparatively noiseless ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Normally, which of the following is used, when a large-scale conversion from AC. to D.C. power is required? Rotary converter Mercury arc rectifier Motor-generator set Motor converter Rotary converter Mercury arc rectifier Motor-generator set Motor converter ANSWER DOWNLOAD EXAMIANS APP
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