Rectifiers and Converters Selenium rectifier can be operated at temperatures as high as 60°C 40°C 25°C 75°C 60°C 40°C 25°C 75°C ANSWER DOWNLOAD EXAMIANS APP
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 More Remain same Less None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 85 to 90% 90 to 95% 65 to 75% 80 to 85% 85 to 90% 90 to 95% 65 to 75% 80 to 85% ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The advantage of mercury arc rectifier is that it has high efficiency it is comparatively noiseless it is light in weight and occupies small floor space All of the listed here it has high efficiency it is comparatively noiseless it is light in weight and occupies small floor space All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a glass bulb mercury arc rectifier the maximum current rating is restricted to 2000 A 1500 A 500 A 200 A 2000 A 1500 A 500 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a phase-shift control method, the phase shift between anode and grid voltages can be achieved by means of Shunt motor Induction regulator Synchronous motor Synchronous generator Shunt motor Induction regulator Synchronous motor Synchronous generator ANSWER DOWNLOAD EXAMIANS APP
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