The law of conservation of matter states that:
A) Only "green" matter should be used for installing HVACR systems.
B) An equal amount of matter is always created somewhere whenever matter is destroyed.
C) Matter should not be wasted.
D) Matter cannot be created or destroyed.
D
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A line in a vertical plane and depicting the relative elevations of various points is termed a _______
Fill in the blank(s) with correct word
Using a solar powered self-compacting outdoor trash container _______________.
Which component on the low-voltage circuit of a residential HVAC system is NOT a load?
A. heat anticipator B. thermostat contacts C. fan relay coil D. low-pressure control
What will be the capacity of an electric furnace rated at 15 kW on 240 V if it is operated at 208 V?
A) The capacity will remain the same, 15 kW. B) The capacity will be increased to 20 kW. C) The capacity will be reduced to 11 kW. D) The capacity will be reduced by exactly 32 W.