A clogged EGR could cause excessive ________ exhaust emissions

A) CO
B) HC
C) CO2
D) NOx


D

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The ____________________, used to help the installation electrician to wire the unit properly, gives specific information about terminals, wire sizes, color coding, and breaker or fuse sizes.

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

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Technician A says that the bolt circle is the diameter of a circle that can be drawn through the center of each lug hole or stud. Technician B says that lug nuts have different tapers to fit different wheel lug holes. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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The higher the flow velocity, the larger the difference between the HGL and the EGL

Indicate whether the statement is true or false

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One unique problem with rooftop units installed in a seacoast area is that

A) the prevailing winds reduce the cooling capacity of the condenser B) systems with a high sensible capacity are required because of the low humidity in coastal areas C) codes in coastal areas typically require a minimum 3 foot ground clearance to allow for flooding D) salt spray accelerates corrosion of metallic parts, especially the condenser coil

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