Rectifiers and Converters Which of the following methods may be used to convert A.C. system to D.C.? Rotary converters All of the listed here Motor converters Rectifiers Rotary converters All of the listed here Motor converters Rectifiers 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. decelerates any of the listed here accelerates none of the listed here decelerates any of the listed here accelerates none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter is a single machine with 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 one armature and two fields one armature and one field ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The cathdde voltage drop, in a mercury arc rectifier, is due to surface resistance expenditure of energy in liberating electrons from the mercury expenditure of energy in ionization expenditure of energy in overcoming the electrostatic field surface resistance expenditure of energy in liberating electrons from the mercury expenditure of energy in ionization expenditure of energy in overcoming the electrostatic field ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A synchronous converter can be started from D.C. side as D.C. motor by means of a small auxiliary motor All of the listed here from A.C. side as induction motor from D.C. side as D.C. motor by means of a small auxiliary motor All of the listed here from A.C. side as induction motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 30, 60 20, 30 75, 85 40, 50 30, 60 20, 30 75, 85 40, 50 ANSWER DOWNLOAD EXAMIANS APP