2. After
being
assigned
the
Second requirement.
Multiple-choice
project of installing a water point
exercises 7 and 8 cover the treatment
for your battalion you find that
and storage of water.
the only source of water in your
area is a stream which is muddy.
7. Of the four steps generally
What type of intake point will you
used in the treatment of water,
install?
which two are absolutely necessary?
a. pit
c. float
a. sedimentation, coagulation
b. dam
d. gallery
b. sedimentation, filtration
c. filtration, disinfection
3. Springs,
if
properly
d. coagulation, disinfection
developed, can often be used as a
source of field water supply. What
8. What
potable
water
storage
minimum
yield,
in
gallons
per
capacity
in
gallons
will
be
minute, should a spring produce to
required for 10,000 men using 25
warrant consideration?
gallons per day per man if there
a. 10
c. 30
are no large users?
b. 20
d. 40
a. 78,700
c. 115,800
b. 95,450
d. 143,750
4. When surface or ground water
sources
are
unavailable
or
Third requirement.
Solve multiple-
inadequate to meet demands, sea
choice exercises 9 and 10 to show what
water must occasionally be used.
you
have
learned
about
system
What treatment process will be
classification and fluid fundamentals.
required to desalt and soften the
water?
9. Why is the dead end type water
a. coagulation
distribution system preferred in TO
b. distillation
construction over the loop type,
c. filtration
when the loop type has several more
d. sedimentation
advantages ?
a. ease of construction
5. Even
in
tropical
regions,
where rain water is the primary
c. ease of maintenance
source of inhabitants, why should
d. sanitation
it not be considered as a military
source
if
other
sources
are
10. If a fluid has a density of
available?
85.0 pounds per cubic foot, what
a. insufficient quantity
height column, in feet, would be
b. difficult collection
required to exert a pressure of
c. expensive treatment
14.7 pounds per square inch at the
d. variable quality
base?
a. 20
c. 30
6. Which of the characteristics
b. 25
d. 35
of
a
water
supply
source
is
considered the most important when
Fourth requirement.
In multiple-
choosing a source location for a
choice exercises 11 through 20 you are
water supply point?
to apply what you have learned about
a. quantity of water
water distribution system design.
b. ease of development
c. quality of water
d. atomic vulnerability
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