3.10 internal water treatment for boilers

Question 1 of 11

1

One method of controlling chemical concentrations is to prepare chemical batches using a table of tank level vs__________

Select one of the following:

chemical addition
pump stroke
steam flow
feedwater addition

Explanation

Question 2 of 11

1

Mechanical carryover can be prevented by careful boiler design and by operating the boiler within the design parameters for ______ level and firing rates

Select one of the following:

chemical
water
blowdown
impurities

Explanation

Question 3 of 11

1

The two most common designs of chemical feed pumps are the ________, plunger type and the electronic impulse-type

Select one of the following:

electric
electronic
reciprocating
vibrating

Explanation

Question 4 of 11

1

A______ feed system, this involves feeding the chemicals to the boiler system at the most efficient injection points and at a steady and continuous rate.

Select one of the following:

closed bypass
shot
slug
continuous

Explanation

Question 5 of 11

1

_______ is particularly harmful as it forms a very hard deposit on turbine blades.

Select one of the following:

carryover
mist
silica
phosphate

Explanation

Question 6 of 11

1

The cause of carryover can be divided into two broad categories, namely mechanical and

Select one of the following:

virtual
carryover
upset
chemical

Explanation

Question 7 of 11

1

_______ is particularly harmful as it forms a very hard deposit on turbine blades

Select one of the following:

carryover
mist
sillica
phosphate

Explanation

Question 8 of 11

1

control of the continuous blowdown flow is _____ adjusted by the operator

Select one of the following:

manually
automatically
quickly
slowly

Explanation

Question 9 of 11

1

Shot feeding involves the injection of chemicals over a relatively _______ period of time

Select one of the following:

long
intermittent
short
measured

Explanation

Question 10 of 11

1

With the ______ feed system, its a common practice to mix one batch of chemicals per day.

Select one of the following:

closed bypass
shot
slug
continuous

Explanation

Question 11 of 11

1

_______ is any solid, liquid or vaprous contaminants that leaves the boiler with the steam

Select one of the following:

carryover
blowdown
feedwater
mist

	Created by TRAVIS CANNING over 8 years ago

Quiz on 3.10 internal water treatment for boilers, created by TRAVIS CANNING on 29/01/2016.

3.10 internal water treatment for boilers

Question 1 of 11

One method of controlling chemical concentrations is to prepare chemical batches using a table of tank level vs__________

Select one of the following:

Explanation

Question 2 of 11

Mechanical carryover can be prevented by careful boiler design and by operating the boiler within the design parameters for ______ level and firing rates

Select one of the following:

Explanation

Question 3 of 11

The two most common designs of chemical feed pumps are the ________, plunger type and the electronic impulse-type

Select one of the following:

Explanation

Question 4 of 11

A______ feed system, this involves feeding the chemicals to the boiler system at the most efficient injection points and at a steady and continuous rate.

Select one of the following:

Explanation

Question 5 of 11

_______ is particularly harmful as it forms a very hard deposit on turbine blades.

Select one of the following:

Explanation

Question 6 of 11

The cause of carryover can be divided into two broad categories, namely mechanical and

Select one of the following:

Explanation

Question 7 of 11

_______ is particularly harmful as it forms a very hard deposit on turbine blades

Select one of the following:

Explanation

Question 8 of 11

control of the continuous blowdown flow is _____ adjusted by the operator

Select one of the following:

Explanation

Question 9 of 11

Shot feeding involves the injection of chemicals over a relatively _______ period of time

Select one of the following:

Explanation

Question 10 of 11

With the ______ feed system, its a common practice to mix one batch of chemicals per day.

Select one of the following:

Explanation

Question 11 of 11

_______ is any solid, liquid or vaprous contaminants that leaves the boiler with the steam

Select one of the following:

Explanation