Switch Gear The arcing contacts in a circuit breaker are made of porcelain copper tungsten alloy aluminium alloy electrolytic copper porcelain copper tungsten alloy aluminium alloy electrolytic copper ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at maximum current minimum voltage zero current maximum voltage maximum current minimum voltage zero current maximum voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it All of these is quite cheap has high speed of operation does not deteriorate with age All of these is quite cheap has high speed of operation does not deteriorate with age ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called surge voltage arc voltage recovery voltage operating voltage surge voltage arc voltage recovery voltage operating voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance decreases remains same increases None of these decreases remains same increases None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Outdoor switchgear is generally used for voltage beyond 132 kV 66 kV 33 kV 11 kV 132 kV 66 kV 33 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP
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