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 None of the listed here high power factor zero power factor low power factor None of the listed here high power factor zero power factor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is reversible in action? All of the listed here Motor generator set Motor converter Rotary converter All of the listed here Motor generator set Motor converter Rotary converter ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on current only voltage and current r.m.s. value of current voltage only current only voltage and current r.m.s. value of current voltage only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are a.c. only d.c. only None of the listed here partly a.c. and partly d.c. a.c. only d.c. only None of the listed here partly a.c. and partly d.c. ANSWER DOWNLOAD EXAMIANS APP