In a two-pipe system, the pump forces air down what?
A) Supply line B) Combustion chamber
C) Clear plastic hose D) Oil-return line
D
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The volume of a rectangular ?shape is found by multiplying the length by the width by the height. A geothermal heat exchange bed needs dimensions 
ft. wide, 
ft. long, and
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How is the viscosity of a liquid determined?
What will be an ideal response?
Wood is a very unforgiving material in earthquakes.
Answer the following statement true (T) or false (F)
The term reluctance in magnetic circuits is like the term ________ in electrical circuits
A) capacitance B) current C) voltage D) resistance