Rectifiers and Converters In a rotary converter armature currents are None of the listed here partly a.c. and partly d.c. d.c. only a.c. only None of the listed here partly a.c. and partly d.c. d.c. only a.c. only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Ageing of a selenium rectifier may change the output voltage by 25 to 30 per cent 5 to 10 per cent 15 to 20 per cent None of the listed here 25 to 30 per cent 5 to 10 per cent 15 to 20 per cent None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters When a rectifier is loaded which of the following voltage drops take place ? All of the listed here Voltage drop in transformer reactance Arc voltage drop Voltage drop in resistance of transformer and smoothing chokes All of the listed here Voltage drop in transformer reactance Arc voltage drop Voltage drop in resistance of transformer and smoothing chokes ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Copper oxide rectifier is usually designed not to operate above 30°C 75°C 55°C 45°C 30°C 75°C 55°C 45°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is reversible in action? Motor converter All of the listed here Motor generator set Rotary converter Motor converter All of the listed here Motor generator set Rotary converter ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Copper Boron carbide Aluminium Graphite Copper Boron carbide Aluminium Graphite ANSWER DOWNLOAD EXAMIANS APP
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