3.7 Boiler draft and flue Gas equipment

Question 1 of 10

1

In modern pulverized coal firing facilities, the high ____ between the coal and the combustion air stream causes most of the ash to be carried over with the stack effluents.

Select one of the following:

turbulence
temperatures
quality
flow

Explanation

Question 2 of 10

1

The _____ fan provides the volume of combustion air to the boiler

Select one of the following:

induced draft
forced draft
cross draft
balanced draft

Explanation

Question 3 of 10

1

Dust laden flue gas from the boiler enters the ________ precipitator that contains a charging electrode. The dust particles receive a charge of electricity and become electrified.

Select one of the following:

electrostatic
electric
cyclone
mist

Explanation

Question 4 of 10

1

The ______ system involves the use of solids handling equipment, such as scraper conveyors, bucket elevators, and conveyor belts.

Select one of the following:

ash
mechanical
pneumatic
Hydro

Explanation

Question 5 of 10

1

The ______ fan is used to remove the hot flue gases from the boiler.

Select one of the following:

induced draft
forced draft
cross draft
balanced draft

Explanation

Question 6 of 10

1

In the ____ scrubbing process, the heat of the flue gas is used to dry finely atomized slurry of alkaline reactants.

Select one of the following:

dry
wet
liquid
absorption

Explanation

Question 7 of 10

1

Louvers are installed in the _____ to direct the air to the base of the flame

Select one of the following:

fan
burner
windbox
ducts

Explanation

Question 8 of 10

1

The theory of particle precipitation is based on the fact that, when a moving particle changes its _____, a force is generated as a consequence

Select one of the following:

direction
velocity
humitity
charge

Explanation

Question 9 of 10

1

Recovery systems for the removal of SO2 can be classified into the two major types

Select one of the following:

solid, liquid
wet, dry
large,small
adsorption, absorption

Explanation

Question 10 of 10

1

Solid pollutants are dust particles known as ash, consisting mainly of the ____ parts of the fuel

Select one of the following:

combustible
solid
metal
non-combustible

	Created by TRAVIS CANNING over 8 years ago

Quiz on 3.7 Boiler draft and flue Gas equipment, created by TRAVIS CANNING on 15/01/2016.

3.7 Boiler draft and flue Gas equipment

Question 1 of 10

In modern pulverized coal firing facilities, the high ____ between the coal and the combustion air stream causes most of the ash to be carried over with the stack effluents.

Select one of the following:

Explanation

Question 2 of 10

The _____ fan provides the volume of combustion air to the boiler

Select one of the following:

Explanation

Question 3 of 10

Dust laden flue gas from the boiler enters the ________ precipitator that contains a charging electrode. The dust particles receive a charge of electricity and become electrified.

Select one of the following:

Explanation

Question 4 of 10

The ______ system involves the use of solids handling equipment, such as scraper conveyors, bucket elevators, and conveyor belts.

Select one of the following:

Explanation

Question 5 of 10

The ______ fan is used to remove the hot flue gases from the boiler.

Select one of the following:

Explanation

Question 6 of 10

In the ____ scrubbing process, the heat of the flue gas is used to dry finely atomized slurry of alkaline reactants.

Select one of the following:

Explanation

Question 7 of 10

Louvers are installed in the _____ to direct the air to the base of the flame

Select one of the following:

Explanation

Question 8 of 10

The theory of particle precipitation is based on the fact that, when a moving particle changes its _____, a force is generated as a consequence

Select one of the following:

Explanation

Question 9 of 10

Recovery systems for the removal of SO2 can be classified into the two major types

Select one of the following:

Explanation

Question 10 of 10

Solid pollutants are dust particles known as ash, consisting mainly of the ____ parts of the fuel

Select one of the following:

Explanation