Rectifiers and Converters Which of the following rectifiers have been used extensively in supplying direct current for electroplating? Mechanical rectifiers Mercury arc rectifiers Copper oxide rectifiers Selenium rectifiers Mechanical rectifiers Mercury arc rectifiers Copper oxide rectifiers Selenium rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury pool rectifier, the voltage drop across its electrodes is almost independent of load current is directly proportional to load is inversely proportional to load varies exponentially with the load current is almost independent of load current is directly proportional to load is inversely proportional to load varies exponentially with the load current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ionization potential of mercury is approximately 10.4 V None of the listed here 16.4 V 5.4 V 10.4 V None of the listed here 16.4 V 5.4 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Glass rectifiers are usually made into units capable of D.C. output (maximum continuous rating) of 500 A at 500 V 300 A at 300 V 100 A at 100 V 400 A at 400 V 500 A at 500 V 300 A at 300 V 100 A at 100 V 400 A at 400 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In mercury arc rectifiers having grid, the arc can be struck between anode and cathode only when the grid attains a certain potential, this potential being known as maximum grid voltage critical grid voltage non of the listed here all of the listed here maximum grid voltage critical grid voltage non of the listed here all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because Its atomic weight is quite high All of the listed here Its ionization potential is relatively low Its boiling point and specific heat are low Its atomic weight is quite high All of the listed here Its ionization potential is relatively low Its boiling point and specific heat are low ANSWER DOWNLOAD EXAMIANS APP
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