What water temperatures do most hot water boilers heat up to?

What will be an ideal response?


A hot water boiler typically heats water to a final temperature of 180 to 200?F.

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A technician should use a charging scale to weigh charged refrigerant _____.

a. only when a system holds less than one pound b. on every occasion, regardless of the method used c. only if the customer requests it d. when zeotropic refrigerants are being charged

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The three primary macronutrients—nitrogen, phosphorous, and potassium—also are sometimes called

the ____________________ elements.

Fill in the blank(s) with the appropriate word(s).

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Your company marks up labor and materials 15 percent, equipment 20 percent, and subcontractor’s bids 4 percent to cover main-office overhead and profit. What is your company’s bid for the project?

Your company is bidding on an office building. The estimated construction costs are as follows: Labor = $985,466 Materials = $1,091,256 Equipment = $100,754 Subcontractor’s bids = $6,254,800

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The Boolean equation for an OR gate is ________

A) A + B = X B) A - B = X C) A/B = X D) AB = X

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