Water Treatment Practice Exam

A plunger pump is classified as a ____.

The continuous feed system is installed on approximately ____ of boiler to meet their chemical injection requirements.

The backwash flow rate must be monitored during the ____ cycle of a zeolite filter to ensure the zeolite media is not carried to sewer with the water.

Sodium chloride is frequently used for ____ a sodium zeolite softener.

Which of the following are sodium zeolite water softener operating modes: Select all that apply (4/5)

Which of the following are conditions that can occur within the boilers waterside: Select all that apply (4/5)

With regards to water treatment suspended solids are typically removed by ____.

Depending upon the water treatment requirements a boiler ____ may be initiated three time per day, for 15 second intervals.

The boilers chemical injection requirements depends upon the following factors: Select all that apply (3/5)

With regards to water treatment large facilities typically complete which of the following tests on site: Select all that apply (5/6)

Bicarbonate is the radical in the boiler feedwater that contributes to ____.

Sulphate is the radical in the boiler feedwater that contributes to ____.

Calcium and magnesium bicarbonates cause the boiler feedwater to experience ____.

When the water treatment chemicals are injected into the boiler feedwater over a relatively short time period this is referred to as ____.

In water treatment backwashing a pressure filter removes ____.

In the boiler feedwater permanent hardness and low solubility is caused by the presence of ____.

In the boiler feedwater temporary hardness and very low solubility is caused by the presence of ____.

____ and settling tanks are commonly installed together to removed suspended solids from the boiler feedwater.

Filters and settling tanks are common methods installed to remove ____ from the boiler feedwater.

In the boiler feedwater permanent hardness and low solubility is caused by the presence of ____.

In the boiler feedwater temporary hardness and very low solubility is caused by the presence of ____.

In ____, water containing scale-forming ions, such as calcium and magnesium, passes through a resin bed where the hardness ions are exchanged with sodium.

Brine regenerates a ____.

Calcium and magnesium ions are both removed by ____.