When checking the refrigerant charge for an operating system with a fixed metering device, the focus should be on _____.
a. subcooling
b. superheat
c. saturation temperature
d. condensation temperature
b. superheat
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Give a brief description of Building Information Modeling.
What will be an ideal response?
USGBC's sustainability rating system for buildings is based on the building's impact on the (natural) environment, which is divided into six categories, called environmental impact categories. One other category deals with building interior. Name this category.
What will be an ideal response?
The ____________________, located in the exhaust system, is used to reduce pollution.
Fill in the blank(s) with the appropriate word(s).
Which of the following best describes the functions of a tractor protection valve (TP)?
A. pressure protects the tractor air supply in the event of loss of pressure in a trailer B. routes trailer supply air and service application signal to the trailer pneumatic circuits C. blocks service signal air to the trailer until trailer air supply is activated D. all of the above