Engine: General Subjects

1. A The rate of evaporation will decrease.
2. B Device "7" does not use wearing rings, as these are normally positive displacement pumps.
3. C The rate of evaporation is dependent on the level of vacuum maintained within the unit, and not the flow of water to the unit.
4. D The rate of evaporation will not be affected as the standby pump; labeled "8" will be used instead.

Tip: press A-D to answer