After leveling, the last frame member of a knockdown metal door frame to be secured is the _____.
a. strike jamb
b. hinge jamb
c. head jamb
d. closer sleeve
Answer: A
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Assume a single-zone constant-volume system with an economizer is installed. In the occupied mode, when the thermostat calls for cooling, which of the following occurs?
a. The supply air fan stops. b. The outdoor dampers move to fully closed. c. The economizer acts as the first stage of cooling, if conditions permit. d. The relief fan cycles on.
Determine the length of a 60.0° arc for a circle with a diameter of 8.00 meters. Express the answer to 2 decimal places and use 
= 3.14.
Fill in the blank(s) with the appropriate word(s).
Air that enters the engine without passing through the airflow sensor is called ________
A) Measured air B) False air C) Dirty air D) Bypass air