If the drain for a 90 percent efficient furnace and the drain for the air conditioning coil are run with a common drain, the drain should be sized:
A) For the furnace drain, which is larger.
B) To match the cross-section area of the combined drains.
C) To handle the combined condensate output of the air conditioner and the furnace.
D) For the air conditioning drain, which is larger.
D
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CMUs are available as lightweight and normal-weight CMUs. Which one is costlier and which one is preferred by the masons?
What will be an ideal response?
Asynchronous flip-flop preset and clear inputs generally:
A) clear the inputs so the flip-flop can start over. B) cause the outputs to change states as soon as the input clock makes the desired transition. C) cause the outputs to change states depending on the SR, JK, or similar controlling inputs. D) act as manual overrides that cause the outputs to change states regardless of the inputs or clock transitions.
The relationship between Celsius and Fahrenheit is that:
A) 0°C is equal to 0°F. B) There are 1.8 Celsius degrees for every Fahrenheit degree. C) Celsius temperatures are generally higher than Fahrenheit temperatures. D) There are 1.8 Fahrenheit degrees for every Celsius degree.
A room has a length of 20' and a width of 10'. What is the area of the room in square meters?
a. 18.58 b. 56.28 c. 200 d. 2,152.99