Tests Flashcards
(22 cards)
Which section contains code for ferrous materials, such as welding rods
ASME Section II
Chemical an petroleum refinery piping is ASME ___?
B31.3
Which code contains specifications for the construction of heating boilers
ASME Section IV
The initials PFI abbreviation
The pipe fabrication institute
The pressure reducing value on a hot water boiler is normally preset to
12 psig
The safety relief value on a residential hot water boiler is normally preset at
30 psig
A LTHW boiler is limited to
250F to 160psig
The PRV maintains minimum pressure on the upper most floor at
4psig
Which organization is responsible for the code for pressure piping in North America
ANSI/ASME
The initials ASME are
The American society of mechanical engineers
The drain valve on a residential hot water boiler should not be smaller the 1”NPS
False
A zone valve is designed to
Start and stop the flow of water to a circuit
What will the wild loop minimize or prevent
The potential for deadheading at the pump
A LTHW boiler is usually ___ rated
Net
A LTHW boiler is governed by ASME code section ___
IV
A conventional cast iron hot water boiler is limited to
30 psig
A HTHW boiler is governed by ASME code section ___
I
A HTHW boiler is usually ___ rated
Gross
A HTHW boiler is usually rated in
EDR or MDH
The EDR for water and steam is
150 & 240
Two variables you’ll find on a pump curve are
Head and flow
What does ODT stand for
Outside design temp
