Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on r.m.s. value of current voltage and current voltage only current only r.m.s. value of current voltage and current voltage only current only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following rectifiers have been used extensively in supplying direct current for electroplating? Mercury arc rectifiers Mechanical rectifiers Selenium rectifiers Copper oxide rectifiers Mercury arc rectifiers Mechanical rectifiers Selenium rectifiers Copper oxide rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. All of the listed here polarity magnitude phase All of the listed here polarity magnitude phase ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter is a single machine with one armature and two fields one armature and one field none of the listed here two armatures and one field one armature and two fields one armature and one field none of the listed here two armatures and one field ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is the loss within the mercury arc rectifier chamber? Voltage drop in arc Voltage drop at the anode Voltage drop at the cathode All of the listed here Voltage drop in arc Voltage drop at the anode Voltage drop at the cathode All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Copper oxide rectifier is usually designed not to operate above 45°C 75°C 55°C 30°C 45°C 75°C 55°C 30°C ANSWER DOWNLOAD EXAMIANS APP
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