Rectifiers and Converters On which of the following factors the number of phases for which a rectifier should be designed depends? All of the listed here The power factor of the system should be high The voltage regulation of the rectifier should be low In the output circuit there should be no harmonics All of the listed here The power factor of the system should be high The voltage regulation of the rectifier should be low In the output circuit there should be no harmonics 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 Less More None of the listed here Remain same Less More None of the listed here Remain same ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a three-phase mercury arc rectifiers each anode conducts for One-half a cycle Two-third of a cycle One-third of a cycle One-fourth of a cycle One-half a cycle Two-third of a cycle One-third of a cycle One-fourth of a cycle ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ionization potential of mercury is approximately 5.4 V 16.4 V 10.4 V None of the listed here 5.4 V 16.4 V 10.4 V None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are a.c. only partly a.c. and partly d.c. None of the listed here d.c. only a.c. only partly a.c. and partly d.c. None of the listed here d.c. only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The advantage of mercury arc rectifier is that 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 it has high efficiency it is comparatively noiseless ANSWER DOWNLOAD EXAMIANS APP
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