Engine 2014: Motor Plants and Auxiliary Boilers

1. A The illustrated arrangement may be used on any steam boiler, for any steam pressure, up to 300 psig.
2. B The minimum size of the piping connecting the water column  to the steam drum is to be one inch.
3. C The shutoff valve on the boiler drum must be of cast iron.
4. D A minimum of three test cocks may serve as the primary water level indicator on boilers under 250 psig.

Tip: press A-D to answer