Organizations that set safety standards for manufactured ductwork include:
A) AHRI and HVAC Excellence.
B) Underwriters Laboratories and the National Fire Protection Association.
C) EPA and OSHA.
D) ACCA and RSES.
B
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Assume a 900 square foot apartment will have a small appliance load of 3,000 volt-amperes, and a 10kW range. Calculate the load used to determine the size of subfeeder conductors.
What will be an ideal response?
Describe why crushed ice cools your beverage faster than larger ice cubes.
What will be an ideal response?
Why is a heat pump called a heat pump?
A) It moves heat from a low temperature heat source to a higher temperature heat sink. B) Heat pumps must be pumped up with refrigerant pressure before they can operate. C) All heat pumps use a pump that is constructed like a centrifugal water pump, but is used to pump heat molecules instead. D) The conversion of electricity into heat has the effect of pumping heat into the heated space.
Discuss the difference between where one is apt to find the direct damage and the indirect damage on a vehicle.
What will be an ideal response?