Fire protection of large outdoor fuel tanks requires that several foam chambers with foam-makers be installed at equally spaced positions slightly below the _____ of the tanks.
a. Bottom.
b. Middle.
c. Top rim.
d. Center.
e. Base.
Answer: C
Fire protection of large outdoor fuel tanks requires that several foam chambers with foam-makers be installed at equally spaced positions slightly below the _____ of the tanks.
a. Bottom.
b. Middle.
c. Top rim.
d. Center.
e. Base.
Answer: C