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Crucigrama Sopa de Letras Hoja de Trabajo
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UNIT #17 cw-2

Horizontales
Any device that transfers heat from one substance to another without allowing the substances to mix.
The area in a heating unit where combustion takes place.
The force that nonmoving air exerts against surfaces such as ducts; measured in inches of water column (in. WC).
A type of power burner that atomizes fuel oil with the air.
An open or closed tube that has an opening on one end and burner ports located along the top.
A type of air moving device that consists of angled blades mounted on a central hub.
A type of furnace connection used between the electric motor and the blower wheel, or motor-to-wheel connection, of a furnace.
A motor-to-wheel connection that has a motor mounted to a frame and the motor is connected to the blower wheel through a belt and pulley arrangement.
Verticales
A burner that mixes ambient air with a gas fuel to create a flame.
A type of burner that uses ambient air as combustion air.
A blower used to provide positive pressure combustion air at a burner face.
A type of burner that uses a fan or blower to supply and control combustion air.
A 100% shutoff safety valve that controls the flow of fuel to a main burner and a pilot burner, if used.
A device that controls airflow.