Switch Gear The arcing contacts in a circuit breaker are made of copper tungsten alloy porcelain electrolytic copper aluminium alloy copper tungsten alloy porcelain electrolytic copper aluminium alloy ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 20 kA 80 kA 35 kA 60 kA 20 kA 80 kA 35 kA 60 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to open the circuit protect the appliance None of these prevent excessive currents protect the line open the circuit protect the appliance None of these prevent excessive currents protect the line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 100 mega ohms 500 mega ohms 1 mega ohms 10 mega ohms 100 mega ohms 500 mega ohms 1 mega ohms 10 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas has pungent small is yellow in colour is lighter than air Is nontoxic has pungent small is yellow in colour is lighter than air Is nontoxic ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 5 A 10 A 20 A 30 A 5 A 10 A 20 A 30 A ANSWER DOWNLOAD EXAMIANS APP
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