Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to electron streams ionization high temperature colour of mercury electron streams ionization high temperature colour of mercury ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ionization potential of mercury is approximately 5.4 V 10.4 V 16.4 V None of the listed here 5.4 V 10.4 V 16.4 V None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following methods may be used to convert A.C. system to D.C.? All of the listed here Rotary converters Motor converters Rectifiers All of the listed here Rotary converters Motor converters Rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Normally, which of the following is used, when a large-scale conversion from AC. to D.C. power is required? Motor converter Motor-generator set Mercury arc rectifier Rotary converter Motor converter Motor-generator set Mercury arc rectifier Rotary converter ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following rectifiers are primarily used for charging of low voltage batteries from AC. supply? Electrolytic rectifiers Selenium rectifiers Mechanical rectifiers Copper oxide rectifiers Electrolytic rectifiers Selenium rectifiers Mechanical 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? Any of the listed here Squirrel cage induction motor Slip ring induction motor Synchronous motor Any of the listed here Squirrel cage induction motor Slip ring induction motor Synchronous motor ANSWER DOWNLOAD EXAMIANS APP
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