Are all backflow preventers capable of protecting against back-pressure conditions?
What will be an ideal response?
No, only an RPZ or a proper air gap protects against back-pressure.
Trades & Technology
You might also like to view...
Describe a set of working drawings.
What will be an ideal response?
Trades & Technology
The fuel injector in a central port fuel injection system is called a(an) ________
A) Linear tip B) Poppet nozzle C) Injector element D) Injector tube
Trades & Technology
The ____________________ cycle, or egg production, normally occurs every 21 days in hogs, cattle, and horses and every 17 days in sheep.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
Why is it important to avoid including superfluous dimensions?
What will be an ideal response?
Trades & Technology