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19 Cards in this Set
- Front
- Back
Most common heat transfer fluids? |
Water and Steam |
|
LPHB operate at what PSI |
Below 15 |
|
Power boilers operate at? |
+15 psi |
|
Gross rating is taken from? |
The boiler nozzle |
|
Net rating is taken from? |
Heat emissions units |
|
The advantage of steam as a carrier? |
Speed of transmission |
|
Maximum circulation speed of water? |
4ft/ sec |
|
Most popular steam package boiler? |
Scotch Marine |
|
3 types of air required for boiler installation? |
Combustion, Ventilation, Dilution. |
|
What causes foaming? |
Oil and other suspended solids. |
|
Indication of contaminated water? |
Presence of dirt or sludge. |
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Results should be? |
Recorded and verified. |
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How often should a safety valve be tested? |
Every 30 days |
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How often should a pop test be done? |
Annually. |
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Ability of the boiler to respond to steam and hot water demand? |
Load tracking ability. |
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A boiler rated for hot water service at 120 psi and 240 degrees Fahrenheit maximum would be constructed under the rules of which code |
Asme section 4 |
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Which boiler has the ability to respond to sudden demands for large volumes of steam for a short period of time |
Fire tube |
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Which boiler has the ability to handle wide variations in load over a long period of time |
Water tube |
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Three types of water tube boilers |
A type dtype o type |