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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