WATER DISTRIBUTION LEVEL D1/D2 TEST ASSESSMENTS & QUIZZES WITH CORRECT SOLUTIONS A+ GRADED

WATER DISTRIBUTION LEVEL D1/D2
TEST ASSESSMENTS & QUIZZES
WITH CORRECT SOLUTIONS A+
GRADED




K
C
LO
YC
D
U
ST

, Wet tap
A connection made into a main that is full or under pressure is a


Cross connection
A connection between a safe and an unsafe water supply is called a


Is available for use without causing shortages during dry periods
Safe yield of a water source is the quantity of water which:




K
Rate of flow of water




C
A Venturi tube increases the velocity and decreases the pressure as water flows through it. This
type of tube is used to measure the:




LO
Underground strata of water
Aquifer is a type of
YC
10 percent
In a well managed metered distribution system, unaccounted-for-water should not exceed


35 psi
According to AWWA guidelines, during a fire,water pressure should not drop below 20 psi. What
D

is the AWWA recommended minimum water pressure in a distribution system, under normal
flow conditions, excluding fire flow?
U


Closed slowly to reduce surges
After using a hydrant, the hydrant should be:
ST




15-20 ft
For a centrifugal pump in good condition, the practical suction lift is.


Acidic
PH reading of 5.0 indicates the water sample is


Ten drops per minute