Where should air vents be located in a hot water heating system?
What will be an ideal response?
Air vents need to be placed at high points of the system and on terminal units.
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Portable on-stage switchboards must be equipped with a pilot light and must be supplied by an individual branch circuit rated at _____.
a. 15A or less b. 20A or less c. 30A or less d. 50A or less
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A(n) ____________________ measures voltage.
Fill in the blank(s) with the appropriate word(s).
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The most commonly used grain for ethanol production is ____
A) rye B) wheat C) alfalfa D) corn
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Suppose pistons A (diameter 1.25 inches) and B (diameter 0.75 inches) are connected by a simple hydraulic system. How much force does B exert if the input force on A is 3 pounds?
What will be an ideal response?
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