13. Sciens. Flashcards
0
Q
- Maximum allowable working pressure (MAWP) ?
A
MAWP of a boiler is the maximum pressure in pounds per square inch (PSI) at which a boiler can safely be operated.
1
Q
- Primary air.
A
It is the air that controls combustion efficiency by controlling how completely the fuel is burned.
2
Q
- Total Force.
A
Total force is the amount of steam pressure acting against the safety valve disc. Total force is commonly expressed in pounds.