Author Question: A dual-element fuse ________. A) can detect slow overcurrent and large short-circuit currents B) ... (Read 54 times)

plus1 · **on:** Jul 26, 2018

A dual-element fuse ________.

A) can detect slow overcurrent and large short-circuit currents
B) has two elements, so it can be used in single-phase circuits to protect both L1 and L2 supply voltage lines
C) can be used two times before it must be replaced

Question 2

Voltage drop across a switch indicates that:

A) The switch is operating. B) The switch is closed.
C) The wire to the switch is sized incorrectly. D) The switch is open.