Q: Is a boiler a closed vessel in which water or other fluid is heated? ¶
Q: Is a boiler usually made of steel? ¶
A: Yes, or historically of wrought iron.
Q: Are boilers allowed under the European "Pressure Equipment Directive" for production of steam for sterilizers and disinfectors? ¶
Q: Is a boiler "dry-fired" it can cause rupture or catastrophic failure? ¶
Q: Is a boiler combustion of any of several fuels? ¶
A: Yes, such as wood, coal, oil, or natural gas.
Q: Is a boiler a specialized type of water-tube boiler in which tubes are close together and water is pumped through them? ¶
Q: Is a boiler usually operated at high pressure? ¶
A: Yes, and the corresponding feedwater pressure must be even higher, demanding a more robust pump design.
Q: Were boilers a source of many serious injuries and property destruction due to poorly understood engineering principles? ¶