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 Which of the following rectifiers have been used extensively in supplying direct current for electroplating? Copper oxide rectifiers Mechanical rectifiers Mercury arc rectifiers Selenium rectifiers Copper oxide rectifiers Mechanical rectifiers Mercury arc rectifiers Selenium rectifiers 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 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 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because Its boiling point and specific heat are low Its atomic weight is quite high All of the listed here Its ionization potential is relatively low Its boiling point and specific heat are low Its atomic weight is quite high All of the listed here Its ionization potential is relatively low ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop between the anode and cathode, of a mercury arc rectifier comprises of the following cathode drop and arc drop anode drop, cathode drop and arc drop anode drop and arc drop anode drop and cathode drop cathode drop and arc drop anode drop, cathode drop and arc drop anode drop and arc drop anode drop and cathode drop ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A synchronous converter can be started by means of a small auxiliary motor from A.C. side as induction motor from D.C. side as D.C. motor All of the listed here by means of a small auxiliary motor from A.C. side as induction motor from D.C. side as D.C. motor All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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