Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? They are mechanically strong Both of the listed here None of the listed here They do not require any voltage for filament heating They are mechanically strong Both of the listed here None of the listed here They do not require any voltage for filament heating ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Normally, which of the following is used, when a large-scale conversion from AC. to D.C. power is required? Mercury arc rectifier Rotary converter Motor-generator set Motor converter Mercury arc rectifier Rotary converter Motor-generator set Motor converter ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards shell bottom mercury pool cathode anode shell bottom mercury pool cathode anode ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are d.c. only partly a.c. and partly d.c. a.c. only None of the listed here d.c. only partly a.c. and partly d.c. a.c. only None of the listed here 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 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 0.5 V to 1.5 V per cm length of the arc ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter I2R losses as compared to a D.C. generator of the same size will be Remain same Less More None of the listed here Remain same Less More None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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