3b1 3.1 Watertube boiler design

Question 1 of 10

1

Field erected boilers have outputs of?

Select one of the following:

75000 kg/h
100000kg/h
100mg/h
150000kg/h or more

Explanation

Question 2 of 10

1

Feed-water entering the boiler section first passes through the ________ section where it is heated by the combustion gases leaving the boiler.

Select one of the following:

furnace
economizer
boiler drum
superheater

Explanation

Question 3 of 10

1

Where electric power is used as the heating source, the boiler rating shall be the maximum kilowatt rating of the:

Select one of the following:

power plant
heating element
Boiler wiring
MCC

Explanation

Question 4 of 10

1

Generally two types of draft fans are used. A __ _ fan supplies air to the air preheater. The preheated air for combustion goes to the coal pulverizers and to the burners. An ____ _ fan exhausts the combustion gases from the air heater to the stack.

Select one of the following:

center mounted, external mounted
forced draft, induced draft
induced draft, forced draft
turbine draft, ejection draft

Explanation

Question 5 of 10

1

The arrangement of a once through boiler has no drums. The feed water is heated and then evaporated and superheated in _ _ through the unit.

Select one of the following:

Two passes
One passage
3 passes
4 passes

Explanation

Question 6 of 10

1

The main advantage of the packaged boiler is its

Select one of the following:

small size
compact design
low cost
quality steam

Explanation

Question 7 of 10

1

Packaged watertube boilers capacities range from?

Select one of the following:

2300kg to 65000kg per hour
500kg to 100mg per hour
15psi to 15000
65000 to 100000 kg per hour

Explanation

Question 8 of 10

1

The advantage of forced circulation in a boiler for a _______ flow in all tubes

Select one of the following:

negative
greater
positive
mass

Explanation

Question 9 of 10

1

The steam separating equipment separates the _____ from the steam/water mixture

Select one of the following:

water
steam
impurities
water droplets

Explanation

Question 10 of 10

1

These types of boilers (A,D, and O) have furnaces cooled by _____ lining the furnace walls

Select one of the following:

watertubes
fans
desuperheaters
air circulation

	Created by TRAVIS CANNING almost 9 years ago

Quiz on 3b1 3.1 Watertube boiler design, created by TRAVIS CANNING on 14/01/2016.

3b1 3.1 Watertube boiler design

Question 1 of 10

Field erected boilers have outputs of?

Select one of the following:

Explanation

Question 2 of 10

Feed-water entering the boiler section first passes through the ________ section where it is heated by the combustion gases leaving the boiler.

Select one of the following:

Explanation

Question 3 of 10

Where electric power is used as the heating source, the boiler rating shall be the maximum kilowatt rating of the:

Select one of the following:

Explanation

Question 4 of 10

Generally two types of draft fans are used. A ____ ___ fan supplies air to the air preheater. The preheated air for combustion goes to the coal pulverizers and to the burners. An ______ ___ fan exhausts the combustion gases from the air heater to the stack.

Select one of the following:

Explanation

Question 5 of 10

The arrangement of a once through boiler has no drums. The feed water is heated and then evaporated and superheated in _____ _____ through the unit.

Select one of the following:

Explanation

Question 6 of 10

The main advantage of the packaged boiler is its

Select one of the following:

Explanation

Question 7 of 10

Packaged watertube boilers capacities range from?

Select one of the following:

Explanation

Question 8 of 10

The advantage of forced circulation in a boiler for a _______ flow in all tubes

Select one of the following:

Explanation

Question 9 of 10

The steam separating equipment separates the _____ from the steam/water mixture

Select one of the following:

Explanation

Question 10 of 10

These types of boilers (A,D, and O) have furnaces cooled by _____ lining the furnace walls

Select one of the following:

Explanation

Generally two types of draft fans are used. A __ _ fan supplies air to the air preheater. The preheated air for combustion goes to the coal pulverizers and to the burners. An ____ _ fan exhausts the combustion gases from the air heater to the stack.

The arrangement of a once through boiler has no drums. The feed water is heated and then evaporated and superheated in _ _ through the unit.