Switch Gear Which of the following circuit breakers is prefered for EHT applications ? Sf6 CB bulk oil circuit breaker low oil circuit breaker air break circuit breaker Sf6 CB bulk oil circuit breaker low oil circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in DC circuit, is inserted in positive circuit only None of these Both positive and negative circuit negative circuit only positive circuit only None of these Both positive and negative circuit negative circuit only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of electrolytic copper porcelain aluminium alloy copper tungsten alloy electrolytic copper porcelain aluminium alloy copper tungsten alloy ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In Railway applications ______ circuit breaker is used. bulk oil minimum oil air break SFe bulk oil minimum oil air break SFe ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 100 A 300 A more than 1000 A 200 A 100 A 300 A more than 1000 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse should have All of these high conductivity low melting point low cost All of these high conductivity low melting point low cost ANSWER DOWNLOAD EXAMIANS APP
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