Switch Gear The rated secondary current of current transformer for relays is generally 20 A 10 A 5 A 30 A 20 A 10 A 5 A 30 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a protective device current limiting device None of these current controlling device protective device current limiting device None of these current controlling device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in DC circuit, is inserted in negative circuit only positive circuit only Both positive and negative circuit None of these negative circuit only positive circuit only Both positive and negative circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to slow making and breaking of load circuit contacts foreign matter on the contact surface all of these too low contact pressure slow making and breaking of load circuit contacts foreign matter on the contact surface all of these too low contact pressure ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it does not deteriorate with age All of these has high speed of operation is quite cheap does not deteriorate with age All of these has high speed of operation is quite cheap ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires all of these high speed opening of contacts wide separation of the opened contacts arc suppressing blow out coils all of these high speed opening of contacts wide separation of the opened contacts arc suppressing blow out coils ANSWER DOWNLOAD EXAMIANS APP