Rectifiers and Converters A commutating rectifier consists of commutator driven by An induction motor A D.C. shunt motor A D.C. series motor A synchronous motor An induction motor A D.C. shunt motor A D.C. series motor A synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards mercury pool shell bottom cathode anode mercury pool shell bottom cathode anode ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following AC. motors is usually used in large motor-generator sets? Slip ring induction motor Synchronous motor Squirrel cage induction motor Any of the listed here Slip ring induction motor Synchronous motor Squirrel cage induction motor Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In mercury arc rectifiers having grid, the arc can be struck between anode and cathode only when the grid attains a certain potential, this potential being known as non of the listed here maximum grid voltage all of the listed here critical grid voltage non of the listed here maximum grid voltage all of the listed here critical grid voltage ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are partly a.c. and partly d.c. None of the listed here a.c. only d.c. only partly a.c. and partly d.c. None of the listed here a.c. only d.c. only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following applications, direct current is absolutely essential ? Traction Illumination Variable speed operation Electrolysis Traction Illumination Variable speed operation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
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