GETCO Exam Paper (11-06-2017)
In air blast circuit breaker resistance switching is used to

control the CB operating time
damp out the fast transient
reduce the magnitude of fault current
change the fault current power factor

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GETCO Exam Paper (11-06-2017)
If the separation between the three phases of a transmission line is increased then

the inductance will increase and capacitance will remain unchanged
the inductance will decrease and the capacitance will increase
the inductance will increase and the capacitance will decrease
both the inductance and capacitance will increase

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