Rectifiers and Converters Which of the following methods may be used to convert A.C. system to D.C.? Rotary converters Rectifiers Motor converters All of the listed here Rotary converters Rectifiers Motor converters All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following rectifiers have been used extensively in supplying direct current for electroplating? Mechanical rectifiers Selenium rectifiers Copper oxide rectifiers Mercury arc rectifiers Mechanical rectifiers Selenium rectifiers Copper oxide rectifiers Mercury arc rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 40, 50 75, 85 30, 60 20, 30 40, 50 75, 85 30, 60 20, 30 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Selenium rectifier can be operated at temperatures as high as 60°C 75°C 40°C 25°C 60°C 75°C 40°C 25°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The potential drop in the arc, in a mercury arc rectifier, varies 2 V to 3.5 V per cm length of the arc 0.05 V to 0.2 V per cm length of the arc 0.5 V to 1.5 V per cm length of the arc none of the listed here 2 V to 3.5 V per cm length of the arc 0.05 V to 0.2 V per cm length of the arc 0.5 V to 1.5 V per cm length of the arc none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters It is the_______of the transformer on which the magnitude of angle of overlap depends. leakage reactance resistance capacitance all of the listed here leakage reactance resistance capacitance all of the listed here ANSWER DOWNLOAD EXAMIANS APP
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