If the refrigerant condensing saturation temperature is 100°F at the start of the process, what would the entering water temperature be?
A) 80°F B) 110°F C) 50°F D) 20°F
A
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Fireplaces with more than one open side are easier to build than a conventional one-sided open fireplace.
Answer the following statement true (T) or false (F)
The knot shown in the figure above is a _____
a. clove hitch b. half-hitch safety c. square d. bowline
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) 0.15 in WC available static pressure B) 10 in WC available static pressure C) 0.6 in WC available static pressure D) 0.25 in WC available static pressure
Improperly installed components will result in _____
A) narrow wear tracks B) pitting and blistering of the seal face C) areas or rings of deep wear D) components rubbing during operation