The purpose of the defrost cycle in a heat pump is to _____.
a. warm the unit circuits for optimum electrical operation
b. prevent ice buildup on the indoor coil
c. prevent ice buildup on the outdoor coil
d. remove frost buildup throughout the system ductwork
c. prevent ice buildup on the outdoor coil
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List the variable and the equation that describe heat loss through the boundaries of a system.
What will be an ideal response?
Hot steam that comes in contact with condensate that has cooled below the temperature of the steam may cause _____.
a. condensate drainage b. steam flash c. water hammer d. lower pressures
The International Building Code classifies types of construction into three groups based on the requirement for the use of combustible or noncombustible materials. What is the requirement for the combustible group?
What will be an ideal response?
Which steering gearbox adjustment should be performed first?
What will be an ideal response?