Line B Steam Systems

Question 1

Which type of boiler installation will a stack economizer be most effective?

Answer 1

High pressure water-tube steam boiler

Question 2

What is the purpose of a steam trap?

Answer 2

To hold steam upstream while allowing condensate to pass.

Question 3

What device controls the water level in a steam boiler?

Answer 3

Low water cut-off

Question 4

What is the sparge tube used for?

Answer 4

Preheating feed water

Question 5

What is done to remove dissolved oxygen from boiler feed water?

Answer 5

Heat the feed water

Question 6

What is the major concern with steam systems?

Answer 6

Water chemistry

Question 7

What is installed to remove dissolved gasses by mechanical means from the boiler feed water?

Answer 7

Deaerator

Question 8

What is the main advantage of installing a deaerator?

Answer 8

Reduces feed water chemical treatment costs

Question 9

What is the advantage of a thermal fluid heating system?

Answer 9

High fluid temperatures without high pressure

Question 10

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

Answer 10

2