Switch Gear Overheating of relay contacts or contact born out is due to slow making and breaking of load circuit contacts too low contact pressure foreign matter on the contact surface all of these slow making and breaking of load circuit contacts too low contact pressure foreign matter on the contact surface all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To protect most of the electrical equipment handling low power, the types of relays used are Thermocouple Both of the listed here Electronic and bimetallic None of these Thermocouple Both of the listed here Electronic and bimetallic None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 10 A 5 A 30 A 20 A 10 A 5 A 30 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against open circuits overload reverse current short circuits open circuits overload reverse current short circuits ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas is yellow in colour has pungent small Is nontoxic is lighter than air is yellow in colour has pungent small Is nontoxic is lighter than air ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 1.5 sec 0.8 sec 1 sec 0.002 sec 1.5 sec 0.8 sec 1 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS