Rectifiers and Converters In a single phase rotary converter the number of slip rings will be Four Six Three Two Four Six Three Two ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A mercury arc rectifier possesses ________ regulation characteristics curved line exponential none of the listed here straight line curved line exponential none of the listed here straight line 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 none of the listed here 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 2 V to 3.5 V per cm length of the arc none of the listed here 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 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? They are mechanically strong None of the listed here They do not require any voltage for filament heating Both of the listed here They are mechanically strong None of the listed here They do not require any voltage for filament heating Both of the listed here 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 In which of the following applications, direct current is absolutely essential ? Illumination Variable speed operation Electrolysis Traction Illumination Variable speed operation Electrolysis Traction ANSWER DOWNLOAD EXAMIANS APP
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