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Rectifiers and Converters

Rectifiers and Converters
Glass rectifiers are usually made into units capable of D.C. output (maximum continuous rating) of

400 A at 400 V
100 A at 100 V
300 A at 300 V
500 A at 500 V

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Rectifiers and Converters
The ionization potential of mercury is approximately

16.4 V
10.4 V
5.4 V
None of the listed here

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Rectifiers and Converters
The metal rectifiers, as compared to mercury arc rectifiers

give poor regulation
can operate on heavy loads
operate on low temperatures
can operate on high voltages

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Rectifiers and Converters
In a single phase rotary converter the number of slip rings will be

Six
Four
Three
Two

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Rectifiers and Converters
In a glass bulb mercury arc rectifier the maximum current rating is restricted to

200 A
1500 A
2000 A
500 A

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Rectifiers and Converters
In a rotary converter I2R losses as compared to a D.C. generator of the same size will be

More
Remain same
Less
None of the listed here

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