Which of the following treatment methods is used to control acidity?

a. softeners
b. neutralizing tanks
c. activated charcoal filters
d. manganese oxidizing filters


ANSWER: b

Trades & Technology

You might also like to view...

Two common methods for measuring airflow in residential systems are

A) Velocity pressure transducers B) Temperature rise or static pressure drop C) Fan tip speed and a fan curve plot D) Electronic flow hoods

Trades & Technology

A privately sold vehicle will usually have a higher price than a vehicle sold at dealer retail

Indicate whether the statement is true or false

Trades & Technology

Multiviews are views of an object in which the line of sight is ____ the surface of the object.

A. parallel to B. perpendicular to C. near D. none of the above

Trades & Technology

In a DC contactor with two coils, the ____________________ coil is intended for momentary duty and not continuous operation.

Fill in the blank(s) with the appropriate word(s).

Trades & Technology