Rectifiers and Converters Selenium rectifier can be operated at temperatures as high as 75°C 25°C 40°C 60°C 75°C 25°C 40°C 60°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter operates at a low power factor high power factor None of the listed here zero power factor low power factor high power factor None of the listed here zero power factor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is reversible in action? Rotary converter Motor converter Motor generator set All of the listed here Rotary converter Motor converter Motor generator set All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on voltage only r.m.s. value of current current only voltage and current voltage only r.m.s. value of current current only voltage and current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are a.c. only None of the listed here partly a.c. and partly d.c. d.c. only a.c. only None of the listed here partly a.c. and partly d.c. d.c. only ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS