The high side of the refrigeration cycle means it __________________
A) Has low pressure and temperature
B) Begins at the expansion device and ends at the compressor
C) Has higher pressures and temperatures
D) The refrigerant boils or evaporates
C) Has higher pressures and temperatures
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Oxides of nitrogen (NOx) are formed when combustion temperatures reach more than:
A. 3,000 degrees F. B. 2,500 degrees F. C. 1,800 degrees F. D. 2,000 degrees F.
In referring to the permeability of a material to air (or water vapor), do we refer to leakage, diffusion, or both?
What will be an ideal response?
When the oil pressure drops to between 3 and 7 psi, the oil pressure lamp lights by _________
A) Shorting the circuit B) Grounding the circuit C) Conducting current to dash lamp by oil D) Opening the circuit
How can the cost of heating a home in the winter be lowered, and still have comfortable conditions in the home?
What will be an ideal response?