Per NFPA 90A , fiberglass duct may be used in systems that operate with a maximum temperature of _____

a. 100°F
b. 150°F
c. 200°F
d. 250°F


d

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The _____ ______ _________ checks short-term fuel trim (STFT) and long-term fuel trim (LTFT) while the PCM is operating in closed loop.

Fill in the blank(s) with the appropriate word(s).

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The wall between the atria is called the

A) ventricle. B) coronary sinus. C) coronary sulcus. D) auricle. E) interatrial septum

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If the evaporator is operating with a high saturation temperature and low superheat, the most likely condition is

A. an underfed evaporator coil B. an overfed evaporator coil C. insufficient airflow through the evapoator coil D. excessive airflow through the evapoator coil

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The abbreviation for the plastic pipe used in high pressure systems at low temperature is ____________________.

Fill in the blank(s) with the appropriate word(s).

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