Question 1
If there is two safety valves on a boiler the first valve to lift....
Correct Answer
is the largest in size
Question 2
What causes corrosion in a steam system?
Correct Answer
Carbon Dioxide and Dissolved Oxygen
Question 3
Boiler economizers are primarily used for..
Correct Answer
Recovery heat from flue gas
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,Question 4
Economizers are finned to..
Correct Answer
Increase the rate of heat for heat transfer
Question 5
Where is the best place to locate an economizer?
Correct Answer
Stack
Question 6
A spear boiler feed water pump is equipped with a check valve in the discharge line to...
Correct Answer
Permit fast start up by leaving the discharge valve open
Question 7
The head of a centriifugal pump is measured in what?
Correct Answer
Feet of liquid
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,Question 8
If the boiler is making strange noises and there is no water in the site glass, you should...?
Correct Answer
Secure fire to the boiler
Question 9
If you started a centrifugal pump and no water was entering the boiler, how could you verify feedwater flow other than
wathing the gage glass?
A. Feed line discharge pressure
B. Pump suction pressure
C. Feedwater temperature
D. Any of the above will verify
Correct Answer
D. Any of the above will verify
Page 3 of 67
, Question 1
safety valves are designed to________
Correct Answer
pop open
Question 2
in a high-pressure gas system, the air mixes with the gas in the _________
Correct Answer
burner register
Question 3
Some ___ moisture separators automatically open and close because they use a wax that expands and contracts with
temperature changes
Correct Answer
variable oriface
Question 4
a measuring instrument can use a___________to send a signal to a controller
Correct Answer
transmitter
Page 4 of 67