NOx readings at idle should be less than ________
A) 1 ppm B) 100 ppm
C) 10 ppm D) None of these is correct
B
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How do industry organizations make it easier to compare testing results and rating for HVACR equipment?
A) Industry organizations use a set of guidelines that are determined by the individual states. B) Industry organizations state that there are too many standards in place to make testing results comparable. C) Industry organizations simply follow guidelines that are determined by the U.S. government. D) Industry organizations determine a set of standard conditions that make all HVACR testing results comparable.
The coolant flow through the radiator is controlled by the ________
A) Water pump B) Cooling Fan(s) C) Size of the passages in the block D) Thermostat
The square of the diameter equals the cross-sectional area. A cable is checked for a power job and is found to be too small. The cable contains 62 strands of copper wire that each have a diameter of 37.2 mils. What is the size of the cable in circular mils? Carry the answer to two decimal places.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements is true for sunspaces?
A. Living space receives direct sunlight. B. They cannot be added after the building is complete. C. Can serve as a greenhouse. D. They can be used only in warm weather climates.