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Rectifiers and Converters

Rectifiers and Converters
In a mercury arc rectifier positive ions are attracted towards

anode
shell bottom
mercury pool
cathode

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

500 A
200 A
1500 A
2000 A

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Rectifiers and Converters
It is the_______of the transformer on which the magnitude of angle of overlap depends.

leakage reactance
all of the listed here
capacitance
resistance

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Rectifiers and Converters
Which of the following is reversible in action?

Motor converter
All of the listed here
Rotary converter
Motor generator set

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Rectifiers and Converters
The internal efficiency of a mercury arc rectifier depends on

r.m.s. value of current
current only
voltage only
voltage and current

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Rectifiers and Converters
When a rectifier is loaded which of the following voltage drops take place ?

Voltage drop in resistance of transformer and smoothing chokes
Voltage drop in transformer reactance
Arc voltage drop
All of the listed here

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