Which of the following treatment methods is used to remove dissolved iron?
a. softeners
b. neutralizing tanks
c. chlorination
d. manganese oxidizing filters
ANSWER: d
You might also like to view...
One of the most important by-products of the War of 1812 was
A. a renewed commitment to states' rights. B. a heightened spirit of nationalism. C. a resurgence of the Federalist party. D. increased economic dependence on Europe. E. the subjugation of the Indians.
Of the four project delivery methods, which delivery method is most popular at the present time, as described in the text?
What will be an ideal response?
If both inputs of an S-R flip-flop are low, what happens when the clock goes high?
A) The output resets. B) An invalid state is produced. C) No change occurs in the output. D) The output toggles.
The ________ displays the total amount of liquid measured by the meter as it turns
A) shaft B) vane C) drivetrain D) stack