__________ air handler units can be configured for right-hand or left-hand flow with only minor alterations to the position of the internal drain pan located within the unit.
A. vertical downflow
B. vertical upflow
C. horizontal
Answer: C
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Choose the statement that best reflects the effect of automation on pilot vigilance.
A. Pilots can mitigate their stress because they are automatically challenged during a flight irregularity B. Pilots tend not to be wary of information presented by automation. C. Pilots are not affected by the information presented by automation. D. Pilots tend to be wary of information presented by automation.
Output modules provide ____________________ between the central processing unit (CPU) and external circuit.
Fill in the blank(s) with the appropriate word(s).
Corrosion is caused by _____
a. acids created by the combination of air and liquid b. viscosity that is too high c. pressure that is too high d. a low pour point
The presence of acid in the system can damage the __________ and lead to the premature __________ of the system. Acid can also eat away at the interior surfaces of the __________.
What will be an ideal response?