Rectifiers and Converters In a three-phase mercury arc rectifiers each anode conducts for One-half a cycle One-third of a cycle Two-third of a cycle One-fourth of a cycle One-half a cycle One-third of a cycle Two-third of a cycle One-fourth of a cycle ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The potential drop in the arc, in a mercury arc rectifier, varies 0.5 V to 1.5 V per cm length of the arc 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 none of the listed here 0.5 V to 1.5 V per cm length of the arc 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 none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is reversible in action? Motor converter Rotary converter All of the listed here Motor generator set Motor converter Rotary converter All of the listed here Motor generator set ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Graphite Copper Boron carbide Aluminium Graphite Copper Boron carbide Aluminium ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers give poor regulation can operate on heavy loads can operate on high voltages operate on low temperatures give poor regulation can operate on heavy loads can operate on high voltages operate on low temperatures ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a glass bulb mercury arc rectifier the maximum current rating is restricted to 500 A 1500 A 200 A 2000 A 500 A 1500 A 200 A 2000 A ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS