The discharge outlet of a safety valve must correct answers Be as short and straight as possible
and arranged to avoid stress on the pipe
An altitude gauge is required on a hot water supply boiler when the altitude is more than how
many feet correct answers 20
The most appropriate valve application for a surface blow down system would be what valve
correct answers Meter valve
a safety valve over 3" and over 15 psig shall have what type of inlet connection? correct answers
flanged or welded
The appropriate valve application for a boiler blow off valve on a high pressure boiler is a correct
answers Y- Type Globe Valve
Which form of Safety Valve mounting is not permissible in the Heating Boiler Code? correct
answers To an internal pipe in the boiler
Which is true regarding a boiler water column correct answers Reduces the turbulence of the
water to give a more accurate reading in the gauge glass
Two Low Water cut-offs are required on a steam heating boiler when correct answers The Boiler
has pumped condensate returns and has an input over 200,000 BTU
When piping low water fuel cutoff devices to a boiler, the devices must be piped to what height
in relation to the level of the gauge glass? correct answers Lowest visible part of the water gauge
glass
, A 3/4 blow off may be used on a high pressure boiler if the boiler heating surface is less than
how many square feet on the heating surface correct answers 100'
Which device shall cause a safety shutdown (lockout) requiring a manual reset correct answers
Auxiliary low water cut-off with a manual reset
The required boiler feedwater stop valve on a high pressure boiler is located between what
correct answers The boiler and the check valve
The return pipe connections of each boiler supplying a gravity return steam heating system shall
be so arranged as to form a loop so that the water in each boiler cannot be forced out below the
safe water level. This loop is most commonly known as correct answers The Hartford steam loop
When are steam valves required correct answers Each boiler outlet
When is a Pipefitter license required and under what law correct answers Anything over 700,000
BTU (522) CMR
The bourdon tube of a steam pressure gauge must be protected by correct answers Loop seal,
siphon, pigtail
What is the minimum size of the drain pipe and the blow off valve required on a low water cutoff
that has a separate float chamber correct answers 3/4"
The valve that offers the least resistance to flow is what correct answers Gate Valve
What type of fitting must be placed in the water piping connection at every right angle to
facilitate cleaning and inspection of a water column of low water cutoff correct answers Cross
fitting