Answer to Question 1
In the air handling unit, air passes through the filters, preheater, cooling coil, heating coil, reheater, and finally the fan. This type of system is referred to as a draw-through system because the fan is located after the coils and draws the air across them. A blow-through system would locate the fan before the coils.
Answer to Question 2
Refrigerant is drawn into the tip and travels between an infrared light source and an infrared light sensor. When refrigerant enters the tip, it reflects the infrared radiation and blocks the sensor from seeing it, much like a cloud can block the sun on a cloudy day.
An electrocardiogram (EKG) wave, a record of the electrical signal as it moves through the conductio
Additional Disorders of the Skeletal System
Overview of factors affecting renin release: (a) activation of the sympathetic nervous system; (b) ...
The shut-off switch on a GM parallel hybrid truck is green because this system uses 42 volts instead ...
How to solve a linear system with three unknowns using substitution (Question 2 of 2)
The Female Reproductive System (2 of 2)