Rectifiers and Converters Which of the following are the applications of D.C. system? Arc welding Electrolytic and electro-chemical processes Battery charging work All of the listed here Arc welding Electrolytic and electro-chemical processes Battery charging work 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? Motor-generator set Motor converter Rotary converter Mercury arc rectifier Motor-generator set Motor converter Rotary converter Mercury arc rectifier ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. magnitude All of the listed here phase polarity magnitude All of the listed here phase polarity ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The potential drop in the arc, in a mercury arc rectifier, varies 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 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 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A mercury arc rectifier possesses ________ regulation characteristics straight line none of the listed here curved line exponential straight line none of the listed here curved line exponential ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Copper Boron carbide Graphite Aluminium Copper Boron carbide Graphite Aluminium ANSWER DOWNLOAD EXAMIANS APP
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