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A short-circuit is identified by
voltage rise
heavy current flow
no current flow
voltage drop
voltage rise
heavy current flow
no current flow
voltage drop
Answer
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Related Question
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The main function of a fuse is to
protect the line
protect the appliance
None of these
prevent excessive currents
open the circuit
protect the line
protect the appliance
None of these
prevent excessive currents
open the circuit
Answer
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Interruption of large currents by relay requires
arc suppressing blow out coils
wide separation of the opened contacts
high speed opening of contacts
all of these
arc suppressing blow out coils
wide separation of the opened contacts
high speed opening of contacts
all of these
Answer
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A fuse is a
current limiting device
protective device
current controlling device
None of these
current limiting device
protective device
current controlling device
None of these
Answer
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An isolator is designed to open a circuit under
None of these
normal conditions
no load
full load
None of these
normal conditions
no load
full load
Answer
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When the circuit breaker operates under fault conditions, the greatest noise is produced in
oil circuit breaker
vaccum circuit breaker
air-blast circuit breaker
sf6 circuit breaker
oil circuit breaker
vaccum circuit breaker
air-blast circuit breaker
sf6 circuit breaker
Answer
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