After a boiler is dumped, it should dry completely before cleaning.

A ___ is a device that measures draft by comparing pressures at two locations with a U-tube or inclined tube gauge.

Boiler water never discharges at the boiler temperature and pressure.

A low pressure boiler is a boiler that has an MAWP over 15 psi.

Steam is the vapor that forms when water is heated to its boiling point.

A high vacuum of 10″ or more on a suction pressure gauge indicates either cold fuel oil or dirty suction strainers.

Either alkaline or acidic water can lead to a boiler explosion.

During normal operation, safety valves are designed to close quickly without chattering.

During normal operation, safety valves are designed to close quickly without chattering.

A solution with a pH of 0 is neutral.