What is the total available static pressure for the ductwork in a system with the following specifications?
Blower: 0.6" WC total external static at design airflow
Evaporator Coil: 0.25 in WC static pressure drop at design airflow
Filter: 0.15 in WC static pressure drop at design airflow
Registers and Grills: 0.05" WC static pressure drop at design airflow
A) 0.6 in WC available static pressure B) 0.15 in WC available static pressure
C) 10 in WC available static pressure D) 0.25 in WC available static pressure
B
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Which might lead to an up sell? The service consultant _________
A. Recommends a lower quality and cheaper product B. Provide the customer with the benefits of a higher priced service C. Recommends performance upgrades that will not work on the customer’s car D. Tell the customer they need four new tires when the old ones are not a problem
When using a meter with a manual scale setting, always:
A) The scale setting does not affect the reading. B) Set the scale based on what you expect the reading to be. C) Start with the highest scale and work down to get an accurate reading. D) Start with the lowest scale and work up to get an accurate reading.
Solve the proportion for the missing number (x): 8:64 = 16:x.
What will be an ideal response?
List the three primary types of anti-corrosion compound and where each is designed to be used.
What will be an ideal response?