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Priming and carryover can be caused by opening a main steam valve too quickly.

A package feedwater system can be single- or multiple-tank and automatically or manually operated and is used in conjunction with other external boiler water treatment or internal boiler water treatment systems.

For a burner to cut in at 2 psi and cut out at 6 psi, the cut-out pressure should be set at 6 psi and the differential pressure set at ___ psi.

A flow control valve functions similarly to a(n) ___ valve to prevent natural water circulation.

A flow control valve functions similarly to a(n) ___ valve to prevent natural water circulation.

A steam trap is often included in a heat exchanger as a way to ensure that the condensate is clean and can be reused.

The total force on a safety valve 3.5″ in diameter with a steam pressure of 14 psi is ___ lb.

A quicker but less accurate method of determining water hardness is with a soap test.

A heat exchanger is used to transfer heat from a ___.

A ___ -pipe system completely separates heating and cooling supply and return lines.