Rectifiers and Converters Which of the following are the applications of D.C. system? Arc welding Battery charging work Electrolytic and electro-chemical processes All of the listed here Arc welding Battery charging work Electrolytic and electro-chemical processes All of the listed here 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? Rotary converter Motor converter Motor-generator set Mercury arc rectifier Rotary converter Motor converter Motor-generator set Mercury arc rectifier ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier an auxiliary electrode is used low mercury vapour pressures are used tube is evacuated anode is heated an auxiliary electrode is used low mercury vapour pressures are used tube is evacuated anode is heated ANSWER DOWNLOAD EXAMIANS APP
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 A rotary converter combines the function of a synchronous motor and a D.C. generator Both of the listed here None of the listed here an induction motor and a D.C. generator a synchronous motor and a D.C. generator Both of the listed here None of the listed here an induction motor and a D.C. generator ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? They do not require any voltage for filament heating None of the listed here Both of the listed here They are mechanically strong They do not require any voltage for filament heating None of the listed here Both of the listed here They are mechanically strong ANSWER DOWNLOAD EXAMIANS APP
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