When homeowners neglect to change filters, airflow is reduced to the point where the cooling coil can freeze. This can cause what critical component to fail prematurely?
A) Blower fan
B) Compressor
C) Condenser fan
D) Metering device
Answer: B) Compressor
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Explain the different types of wheel speed sensor signals.
What will be an ideal response?
A multi-zone constant volume system is well-suited for buildings in which _____
a. the control zones are likely to be rearranged regularly b. the control zone arrangement is permanent c. the zones are very small d. cooling and heating are required at the same time in the same zone
What is the major difference in the air/fuel sensor operation over the conventional oxygen sensor?
What will be an ideal response?
Examples of tasks completed by a(n) ____ include preparing elementary engineering and shop drawings, drawing details, performing revisions and corrections.
A. drafting clerk B. junior CAD technician C. introductory CAD assistant D. drafting technician