IFSTA Supply
PUMPINGSystems Overview
APPARATUS DRIVER/OPERATOR THIRD
EDITION CHAPTER 1 - TYPES OF APPARATUS EQUIPPED
WITH A PUMP QUESTIONS AND ANSWERS WITH COMPLETE
SOLUTION!!
1. What describes a reverse flow condition created by a difference in water
pressures that causes water to flow back into the distribution pipes of a
potable water supply?
Backsiphonage inch
Backflow
Positive displacement
Negative pressure
2. A tempering valve may be needed on a combination domestic hot water
and space heating system. The tempering valve
mixes cool water with the hot water before sending the water to a
fan coil.
raises the temperature of the domestic hot water delivered to the
house.
reduces the temperature of the water to the domestic hot water
side.
protects people from scalding when bleeding radiators or radiant
piping systems.
3. Which is the first step in water purification?
chlorination
, aeration and settling
sedimentation
storage