Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because Its boiling point and specific heat are low All of the listed here Its atomic weight is quite high Its ionization potential is relatively low Its boiling point and specific heat are low All of the listed here Its atomic weight is quite high Its ionization potential is relatively low ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a three-phase mercury arc rectifiers each anode conducts for Two-third of a cycle One-half a cycle One-third of a cycle One-fourth of a cycle Two-third of a cycle One-half a cycle One-third of a cycle One-fourth of a cycle 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 Any of the listed here Squirrel cage induction motor Slip ring induction motor Synchronous motor Any of the listed here Squirrel cage induction motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Normally, which of the following is used, when a large-scale conversion from AC. to D.C. power is required? Motor converter Mercury arc rectifier Motor-generator set Rotary converter Motor converter Mercury arc rectifier Motor-generator set Rotary converter ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a phase-shift control method, the phase shift between anode and grid voltages can be achieved by means of Shunt motor Synchronous motor Induction regulator Synchronous generator Shunt motor Synchronous motor Induction regulator Synchronous generator 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 it is comparatively noiseless All of the listed here it has high efficiency it is light in weight and occupies small floor space it is comparatively noiseless All of the listed here it has high efficiency ANSWER DOWNLOAD EXAMIANS APP