Switch Gear The relay operating coil is supplied through power transformer None of these fuse current transformer power transformer None of these fuse current transformer ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by voltage rise no current flow heavy current flow voltage drop voltage rise no current flow heavy current flow voltage drop ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 50 milli-second 0.5 sec 0.1 sec 100 micro-second 50 milli-second 0.5 sec 0.1 sec 100 micro-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse rating is expressed in terms of VAR current kVA voltage VAR current kVA voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of opening the faulty circuit and breaking the fault current being closed on to a fault All of these carrying fault current for a short time opening the faulty circuit and breaking the fault current being closed on to a fault All of these carrying fault current for a short time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? transformer oil distilled water carbon tetrachloride sulphur hexafluoride transformer oil distilled water carbon tetrachloride sulphur hexafluoride ANSWER DOWNLOAD EXAMIANS APP