How much additional cooling capacity would 20°F of subcooling have on a refrigerant system?
What will be an ideal response?
20°F x 0.5%/°F = 10% increased capacity
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Which of the following is a symbol for remotely mounted instrumentation?
Figure
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Name three types of system isolation valves
What will be an ideal response?
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The first step to solving a problem is to _____
a. find a solution b. define it c. ask for help d. have a plan
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When setting up a nitrogen cylinder to pressurize a system for leak detection, the relief valve between the
nitrogen regulator and gauge manifold should be set no higher than _____. a. 75 psig b. 150 psig c. 200 psig d. 250 psig
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