Switch Gear Which of the following is used in liquid fuses ? distilled water carbon tetrachloride sulphur hexafluoride transformer oil distilled water carbon tetrachloride sulphur hexafluoride transformer oil ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against reverse current open circuits short circuits overload reverse current open circuits short circuits overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? air break circuit breaker oil circuit breaker isolator rewireable fuse air break circuit breaker oil circuit breaker isolator rewireable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through current transformer None of these fuse power transformer current transformer None of these fuse power transformer ANSWER DOWNLOAD EXAMIANS APP
Switch Gear ________ relay is preferred for phase fault on short transmission line. Induction type Impedance None of these Reactance Induction type Impedance None of these Reactance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have good selectivity and reliability economy and simplicity All of these high speed and selectivity good selectivity and reliability economy and simplicity All of these high speed and selectivity ANSWER DOWNLOAD EXAMIANS APP