To ensure protection against backflow, hose bibbs are required to include _____
a. air gaps
b. check valves
c. vacuum breakers
d. flexible water lines
c
Trades & Technology
You might also like to view...
The metric system is often identified by the initials ____.
A. SM B. MI C. SI D. MM
Trades & Technology
What three ratings should always be matched when changing fuses?
What will be an ideal response?
Trades & Technology
An automatic pencil is a poor choice to use when sketching.
Answer the following statement true (T) or false (F)
Trades & Technology
Two technicians are discussing automotive power systems. Technician A says that today's engines operate on different principles than those of the past. Technician B says that today's engine has more computerized sensors and actuators than did an entire vehicle had in the mid-1980's. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Trades & Technology