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
Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to colour of mercury ionization high temperature electron streams colour of mercury ionization high temperature electron streams ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a three-phase mercury arc rectifiers each anode conducts for One-third of a cycle Two-third of a cycle One-half a cycle One-fourth of a cycle One-third of a cycle Two-third of a cycle One-half a cycle One-fourth of a cycle ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a phase-shift control method, the phase shift between anode and grid voltages can be achieved by means of Shunt motor Synchronous motor Synchronous generator Induction regulator Shunt motor Synchronous motor Synchronous generator Induction regulator ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following equipment direct current is needed? Telephones All of the listed here Relay Time switches Telephones All of the listed here Relay Time switches ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Glass rectifiers are usually made into units capable of D.C. output (maximum continuous rating) of 100 A at 100 V 400 A at 400 V 500 A at 500 V 300 A at 300 V 100 A at 100 V 400 A at 400 V 500 A at 500 V 300 A at 300 V ANSWER DOWNLOAD EXAMIANS APP
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