3.4 Boiler heat transfer components

Question 1 of 10

1

Hot spots on tubes are a serious problem. They indicate poor heat ____ through the tube walls

Select one of the following:

distribution
transfer
flux
sensor

Explanation

Question 2 of 10

1

The separately fired superheater is located in a ____ apart from the main steam generator and is independent of the steam generator operating conditions.

Select one of the following:

boiler
furnace
building
eclosure

Explanation

Question 3 of 10

1

Furnace baffles can be placed so as to cause the gases to flow at right angles to the tube length, in which case they are called ______ baffles.

Select one of the following:

longitudinal
cross
back
straight

Explanation

Question 4 of 10

1

In order to direct the flow of combustion gas over the tubes in a watertube boiler it is necessary to use ______

Select one of the following:

baffles
deflectors
fans
preheaters

Explanation

Question 5 of 10

1

There is no steam flow through the ______ tubes before the steam turbine has a steam flow through it. Be careful not to increase boiler firing too rapidly and overheat the reheat tubes during startup.

Select one of the following:

superheater
economizer
reheater
boiler

Explanation

Question 6 of 10

1

The water and water/steam mixture in the steam generation tubes is at ______ temperature

Select one of the following:

superheat
critical
saturation
normal

Explanation

Question 7 of 10

1

A wall suitable for severe service, where the tubes are side by side and touching each other, is called a _______ wall

Select one of the following:

solid
membrane
screen tube
tangent tube

Explanation

Question 8 of 10

1

The control methods are used for reheater temperature are the same as those used for _____ temperature control.

Select one of the following:

boiler
fuel gas
superheater
preheater

Explanation

Question 9 of 10

1

The ________ increases the temperature of the steam from the H.P. turbine back up to superheat temperature.

Select one of the following:

superheater
economizer
furnace
reheater

Explanation

Question 10 of 10

1

Furnace Baffles may be placed so as to cause the gases to flow parallel to the tubes, in which case they are called _____ baffles.

Select one of the following:

longitudinal
cross
back
straight

	Created by TRAVIS CANNING over 8 years ago

Quiz on 3.4 Boiler heat transfer components, created by TRAVIS CANNING on 14/01/2016.

3.4 Boiler heat transfer components

Question 1 of 10

Hot spots on tubes are a serious problem. They indicate poor heat ____ through the tube walls

Select one of the following:

Explanation

Question 2 of 10

The separately fired superheater is located in a ____ apart from the main steam generator and is independent of the steam generator operating conditions.

Select one of the following:

Explanation

Question 3 of 10

Furnace baffles can be placed so as to cause the gases to flow at right angles to the tube length, in which case they are called ______ baffles.

Select one of the following:

Explanation

Question 4 of 10

In order to direct the flow of combustion gas over the tubes in a watertube boiler it is necessary to use ______

Select one of the following:

Explanation

Question 5 of 10

There is no steam flow through the ______ tubes before the steam turbine has a steam flow through it. Be careful not to increase boiler firing too rapidly and overheat the reheat tubes during startup.

Select one of the following:

Explanation

Question 6 of 10

The water and water/steam mixture in the steam generation tubes is at ______ temperature

Select one of the following:

Explanation

Question 7 of 10

A wall suitable for severe service, where the tubes are side by side and touching each other, is called a _______ wall

Select one of the following:

Explanation

Question 8 of 10

The control methods are used for reheater temperature are the same as those used for _____ temperature control.

Select one of the following:

Explanation

Question 9 of 10

The ________ increases the temperature of the steam from the H.P. turbine back up to superheat temperature.

Select one of the following:

Explanation

Question 10 of 10

Furnace Baffles may be placed so as to cause the gases to flow parallel to the tubes, in which case they are called _____ baffles.

Select one of the following:

Explanation