| As it pertains to safety valves, what is the definition of blow down? |
| A) Blow down is the feature of a valve that allows drainage of condensate away from the disc to prevent sticking. |
| B) Blow down is the difference between the maximum allowable working pressure and the valve popping pressure. |
| C) Blow down is the difference between the valve popping pressure and the valve reseating pressure. |
| D) Blow down is the difference between the maximum allowable working pressure and the valve reseating pressure. |
