Rectifiers and Converters In a rotary converter armature currents are d.c. only None of the listed here a.c. only partly a.c. and partly d.c. d.c. only None of the listed here a.c. only partly a.c. and partly d.c. ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a three-phase mercury arc rectifiers each anode conducts for 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 One-fourth of a cycle ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following metals is generally manufactured by electrolysis process? Load Zinc Copper Aluminium Load Zinc Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Aluminium Graphite Copper Boron carbide Aluminium Graphite Copper Boron carbide ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters When a rectifier is loaded which of the following voltage drops take place ? Voltage drop in resistance of transformer and smoothing chokes Voltage drop in transformer reactance Arc voltage drop All of the listed here Voltage drop in resistance of transformer and smoothing chokes Voltage drop in transformer reactance Arc voltage drop All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on current only voltage only voltage and current r.m.s. value of current current only voltage only voltage and current r.m.s. value of current ANSWER DOWNLOAD EXAMIANS APP
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