Which of the following is a common maintenance problem of the 55-JS vacuum
a. Collapsed tubing.
b. Unchanged filters.
Variac speed-control failure.
d. Burnt-out motor windings.
Refer to the figure below. Which of the following statements describes the circuit
leg labeled "C?"
a. Tie point A to M1-2.
b. Through convenience outlets 3 and 4 to tie point A.
Through A1 to A1-1 and on the S1-2
d. From S1 to convenience outlets 2 and 1.