| Which of the following statements is true concerning the illustrated gauge manifold set? Illustration GS-RA-01 |
| A) Closing the valve labeled "G" isolates the hose labeled "H" from the gauge labeled "A". |
| B) The valves labeled "G" and "C" must both be open to read system pressures on the respective gages labeled "A" and "B". |
| C) Closing the valve labeled "G" isolates the hose labeled "H" from the hose labeled "J". |
| D) Opening fully and back seating the valve labeled "G" isolates the gauge labeled "A" from the hose labeled "H". |
