The boiler pressure should always be ___ the header pressure when cutting a boiler in on the line.
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Natural gas is a colorless and odorless fossil fuel.
Natural gas is a colorless and odorless fossil fuel.
Plate-and-shell exchangers usually consist of a cylindrical…
Plate-and-shell exchangers usually consist of a cylindrical shell containing a heating or cooling fluid.
When performing a bottom blowdown, the valve closest to the…
When performing a bottom blowdown, the valve closest to the boiler is always opened ___.
Pre-treatment equipment commonly includes ___.
Pre-treatment equipment commonly includes ___.
A compression tank is normally full of water to feed into th…
A compression tank is normally full of water to feed into the boiler during a low water condition.
An ear muff is a device inserted into the ear canal to reduc…
An ear muff is a device inserted into the ear canal to reduce the level of noise reaching the eardrum.
The NFPA Hazard Signal System colors and numbers identify po…
The NFPA Hazard Signal System colors and numbers identify potential health (blue), flammability (red), reactivity (___), and special hazards (no special color).
A(n) ___ is a cooling system that chills water for cooling.
A(n) ___ is a cooling system that chills water for cooling.
The NFPA Hazard Signal System colors and numbers identify po…
The NFPA Hazard Signal System colors and numbers identify potential health (blue), flammability (red), reactivity (___), and special hazards (no special color).