Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because All of the listed here Its boiling point and specific heat are low Its ionization potential is relatively low Its atomic weight is quite high All of the listed here Its boiling point and specific heat are low Its ionization potential is relatively low Its atomic weight is quite high ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following methods may be used to convert A.C. system to D.C.? Rotary converters Rectifiers All of the listed here Motor converters Rotary converters Rectifiers All of the listed here Motor converters ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is the loss within the mercury arc rectifier chamber? Voltage drop in arc Voltage drop at the cathode Voltage drop at the anode All of the listed here Voltage drop in arc Voltage drop at the cathode Voltage drop at the anode All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following metals is generally manufactured by electrolysis process? Load Zinc Aluminium Copper Load Zinc Aluminium Copper 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 Copper oxide rectifier is usually designed not to operate above 30°C 45°C 75°C 55°C 30°C 45°C 75°C 55°C ANSWER DOWNLOAD EXAMIANS APP
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