10.
Your unit contains 350 males. How many straddle trench latrines, each two feet
long, will be required to accommodate the males?
a. 14.
b. 21.
c.
28.
d. 56.
11.
In a baffle grease trap, the barrel or box is divided into unequal chambers by a
vertical wooden baffle. Which one of the following statements is true concerning
the baffle?
a. The baffle is solid and it rests on the bottom of the barrel or box.
b. The baffle is solid and there is about a one inch space between the bottom of
the baffle and the bottom of the barrel or box.
c.
The baffle is solid and there is about a six-inch space between the bottom of
the baffle and the bottom of the barrel or box.
d. The baffle has holes about one-half inch in diameter and it rests on the bottom
of the barrel or box.
12.
Urinal soakage pits usually measure:
a. Two feet wide, six feet long, and 2-1/2 feet deep.
b. Four feet wide, four feet long, and four feet deep.
c.
Four feet wide, eight feet long, and six feet deep.
d. Eight feet wide, eight feet long, and six feet deep.
MD0535
4-29