Head is a measure of the __________.
A. diameter of a column of fluid.
B. cross-sectional area of a column of fluid
C. volume of a column of fluid
D. height of a column of fluid
Answer: D
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When you test antifreeze with litmus paper, what are you measuring?
A. freeze point B. nitrate protection level C. contamination D. acidity
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Impulsive noise reduction involves reducing peak impulse transmission based on the use of PESDs.
____ loss is caused by the continuous aligning and realigning of molecules, which produces heat due to friction.
A. Insulation B. Hysteresis C. Short D. Ground
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Discuss the power sources of space heaters and implications this has for their use.
What will be an ideal response?
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