Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Boron carbide Aluminium Copper Graphite Boron carbide Aluminium Copper Graphite ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are a.c. only d.c. only 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 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on current only voltage and current voltage only r.m.s. value of current current only voltage and current voltage only r.m.s. value of current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier low mercury vapour pressures are used anode is heated tube is evacuated an auxiliary electrode is used low mercury vapour pressures are used anode is heated tube is evacuated an auxiliary electrode is used ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is reversible in action? Motor converter Motor generator set All of the listed here Rotary converter Motor converter Motor generator set All of the listed here Rotary converter ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier______ flow from anode to cathode electrons ions and electrons All of the listed here ions electrons ions and electrons All of the listed here ions ANSWER DOWNLOAD EXAMIANS APP
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