Switch Gear A short-circuit is identified by voltage rise heavy current flow voltage drop no current flow voltage rise heavy current flow voltage drop no current flow ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in positive of dc circuit phase line neutral wire negative of dc circuit positive of dc circuit phase line neutral wire negative of dc circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is 1500 A None of these 1500/√3 A 750 A 1500 A None of these 1500/√3 A 750 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always None of these leading the arc current by 90° lagging the arc current by 90° In phase with the arc current None of these leading the arc current by 90° lagging the arc current by 90° In phase with the arc current 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 more than 1000 A 100 A 300 A 200 A more than 1000 A 100 A 300 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. resistors reactors capacitors None of these resistors reactors capacitors None of these ANSWER DOWNLOAD EXAMIANS APP
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