Switch Gear Which of the following is used in liquid fuses ? distilled water transformer oil carbon tetrachloride sulphur hexafluoride distilled water transformer oil carbon tetrachloride sulphur hexafluoride ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the protection of power station buildings against direct strokes the requirements are interception and conduction interception, conduction and dissipation interception, conduction, dissipation and reflection None of these interception interception and conduction interception, conduction and dissipation interception, conduction, dissipation and reflection None of these interception ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as lag time clearing time operation time lead time lag time clearing time operation time lead time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Admittance relay is directional relay impedance relay non-directional relay None of these directional relay impedance relay non-directional relay None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in D.C. circuits, is inserted in none of the listed here negative circuit only Both of the listed here positive circuit only none of the listed here negative circuit only Both of the listed here positive circuit only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 50 milli-second 0.1 sec 0.5 sec 100 micro-second 50 milli-second 0.1 sec 0.5 sec 100 micro-second ANSWER DOWNLOAD EXAMIANS APP