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 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 cathode drop anode drop and arc drop cathode drop and arc drop anode drop, cathode drop and arc drop anode drop and cathode drop anode drop and arc drop 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 Which of the following AC. motors is usually used in large motor-generator sets? Slip ring induction motor Squirrel cage induction motor Any of the listed here Synchronous motor Slip ring induction motor Squirrel cage induction motor Any of the listed here Synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 30, 60 20, 30 40, 50 75, 85 30, 60 20, 30 40, 50 75, 85 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a grid control of mercury arc rectifiers when the grid is made positive relative to cathode, then it the electrons on their may to anode. any of the listed here decelerates none of the listed here accelerates any of the listed here decelerates none of the listed here accelerates ANSWER DOWNLOAD EXAMIANS APP