Flash Cards
The quantity of gas required to produce 100,000 BTU?
Therm
A pollutant formed by interaction between two or more primary pollutants?
Secondary pollutant
The ability of the fuel to be vaporized
Volatility
The main internal resisteance os the fuel oil to flow
Viscosity
A coal feeding divice that introduces coal from under the fire
Underfeeder stoker
The location on a coal stoker retort where volatile gases are driven off as the coal is heated and gases are burned in the furnace
Underfeed zone
A stoker that uses a low-speed worm screw to advance coal from the hopper to the retort
Screw-feed stoker
A narrowed portion of a tube
Venturi
The period after ignition trials and before the operating set point is reached during which the main burner is firing
Run period
The specification os viscosity measurements required to properly transport and atomize the fuel
Viscosity limits
A fuel oil burner that atomizes fuel oil by discharging fuel oil off the outer surface of a spinning cup with high velocity air
Rotary cup burner
The ratio of the weight os a giving volume of a substance to the weight of the same volume of water at a standard temperature of 60’f
Specific gravity
In a modulating burner, the ratio of the maximum rate of the burner to the minimum firing rate
Turndown ratio
A chemical process used to determine the quantity of elements that compose a substance
Ultimate analysis
A mechanical device to feeding coal to the burner
Stoker
