Rectifiers and Converters A commutating rectifier consists of commutator driven by A D.C. shunt motor A D.C. series motor An induction motor A synchronous motor A D.C. shunt motor A D.C. series motor An induction motor A synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 60 % 70 % 50 % 40 % 60 % 70 % 50 % 40 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is reversible in action? Rotary converter Motor converter All of the listed here Motor generator set Rotary converter Motor converter All of the listed here Motor generator set ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are None of the listed here d.c. only partly a.c. and partly d.c. a.c. only None of the listed here d.c. only partly a.c. and partly d.c. a.c. only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to ionization high temperature electron streams colour of mercury ionization high temperature electron streams colour of mercury ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters On which of the following factors the number of phases for which a rectifier should be designed depends? The voltage regulation of the rectifier should be low The power factor of the system should be high In the output circuit there should be no harmonics All of the listed here The voltage regulation of the rectifier should be low The power factor of the system should be high In the output circuit there should be no harmonics All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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