| Suppose a remote valve operator is fitted with a gearbox. What is the purpose of the gearbox? |
| A) The gearbox may be used to change the orientation of the hand wheel to the valve stem, or it may be used to reduce the turning effort, but NEVER both. |
| B) The gearbox may be used to change the orientation of the hand wheel to the valve stem, or it may be used to reduce the turning effort, OR both. |
| C) The gearbox is strictly used to change the orientation of the hand wheel to the valve stem. The gearbox is never used to reduce the turning effort. |
| D) The gearbox is strictly used to reduce the turning effort. The gearbox is never used to change the orientation of the hand wheel to the valve stem. |
