Why does a chilled water cooling coil have more rows of coils than a hot water heating coil?
A) most buildings require more cooling than heating
B) hot water heating coils can take advantage of radiant heat transfer and cooling coils cannot
C) more surface is necessary for dehumidification
D) heat does not travel into cold water as readily as it does into hot water
C
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Wind turbines for residential applications range in size from 50 watts to ____________________ kW.
Fill in the blank(s) with the appropriate word(s).
Electric motors are better than an internal combustion engine to propel a vehicle because ________
A) They do not burn fuel and therefore do not release carbon dioxide into the environment B) They produce high torque at low speeds C) They are quiet D) All of the above are correct
Explain what counterflashing is.
What will be an ideal response?
While having a discussion, Technician A says that a union is a better repair than hose for lines that carry higher pressure, above 30-35 psi. Technician B says that hose does a better job. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B