Switch Gear Arc in a circuit breaker behaves as a resistance increasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance decreasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? distilled water transformer oil carbon tetrachloride sulphur hexafluoride distilled water transformer oil carbon tetrachloride sulphur hexafluoride ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? air break circuit breaker oil circuit breaker rewireable fuse isolator air break circuit breaker oil circuit breaker rewireable fuse isolator ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through power transformer current transformer fuse None of these power transformer current transformer fuse None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at minimum voltage maximum current maximum voltage zero current minimum voltage maximum current maximum voltage zero current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse is a circle None of these has inverse characteristic has a linear characteristic is a circle None of these has inverse characteristic has a linear characteristic ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS