Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 100 micro-second 0.5 sec 0.1 sec 50 milli-second 100 micro-second 0.5 sec 0.1 sec 50 milli-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a protective device current controlling device current limiting device None of these protective device current controlling device current limiting device None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of silver tungsten graphite carbon silver tungsten graphite carbon ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called recovery voltage supply voltage restriking voltage peak voltage recovery voltage supply voltage restriking voltage peak voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For which of the following protection from negative sequence currents is provided ? Transformers Generators Motors Transmission line Transformers Generators Motors Transmission line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To protect most of the electrical equipment handling low power, the types of relays used are Thermocouple None of these Electronic and bimetallic Both of the listed here Thermocouple None of these Electronic and bimetallic Both of the listed here ANSWER DOWNLOAD EXAMIANS APP