Rectifiers and Converters In a three-phase mercury arc rectifiers each anode conducts for One-half a cycle One-third of a cycle One-fourth of a cycle Two-third of a cycle One-half a cycle One-third of a cycle One-fourth of a cycle Two-third of a cycle ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to colour of mercury high temperature electron streams ionization colour of mercury high temperature electron streams ionization ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is the loss within the mercury arc rectifier chamber? All of the listed here Voltage drop at the anode Voltage drop in arc Voltage drop at the cathode All of the listed here Voltage drop at the anode Voltage drop in arc Voltage drop at the cathode ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter operates at a low power factor zero power factor None of the listed here high power factor low power factor zero power factor None of the listed here high power factor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The potential drop in the arc, in a mercury arc rectifier, varies 0.05 V to 0.2 V per cm length of the arc 2 V to 3.5 V per cm length of the arc 0.5 V to 1.5 V per cm length of the arc none of the listed here 0.05 V to 0.2 V per cm length of the arc 2 V to 3.5 V per cm length of the arc 0.5 V to 1.5 V per cm length of the arc none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Glass rectifiers are usually made into units capable of D.C. output (maximum continuous rating) of 500 A at 500 V 400 A at 400 V 300 A at 300 V 100 A at 100 V 500 A at 500 V 400 A at 400 V 300 A at 300 V 100 A at 100 V ANSWER DOWNLOAD EXAMIANS APP