Rectifiers and Converters The voltage drop at anode, in a mercury arc rectifier is due to energy spent in overcoming the electrostatic field high ionization potential self restoring property of mercury high temperature inside the rectifier energy spent in overcoming the electrostatic field high ionization potential self restoring property of mercury high temperature inside the rectifier ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters When a rectifier is loaded which of the following voltage drops take place ? Voltage drop in resistance of transformer and smoothing chokes Arc voltage drop All of the listed here Voltage drop in transformer reactance Voltage drop in resistance of transformer and smoothing chokes Arc voltage drop All of the listed here Voltage drop in transformer reactance ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. polarity phase All of the listed here magnitude polarity phase All of the listed here magnitude 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 Selenium rectifiers Copper oxide rectifiers Mechanical rectifiers Mercury arc rectifiers Selenium rectifiers Copper oxide rectifiers Mechanical rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers can operate on heavy loads give poor regulation can operate on high voltages operate on low temperatures can operate on heavy loads give poor regulation can operate on high voltages operate on low temperatures ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following AC. motors is usually used in large motor-generator sets? Slip ring induction motor Any of the listed here Squirrel cage induction motor Synchronous motor Slip ring induction motor Any of the listed here Squirrel cage induction motor Synchronous motor ANSWER DOWNLOAD EXAMIANS APP
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