Line C ?Boiler Controls Flashcards

1
Q

To protect against a low water condition how many fuel cutoff devices are required on an automatically fired steam boiler?

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Beside shutting off the burner, what is another function of a low water cut-off device on a steam boiler?

A

Energize feed pump

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is done to change the operating level of an external float style LWCO device

A

Change the installation piping

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the purpose of a steam trap?

A

It prevents steam from entering the condensate return piping

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

At what point does the thermostatic steam trap open?

A

When the condensate temperature drops below saturated steam temperature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What does the thermodynamic steam trap operate on the basis of?

A

Bernoulli’s principle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The thermodynamic steam trap will work on lower pressure systems.

TRUE / FALSE

A

FALSE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly