The economizer section of the boiler flue _____.
a. controls the steam demand of a boiler
b. reduces fuel flow to the burners in stages
c. reduces fuel consumption through atomization
d. uses otherwise wasted heat to preheat the boiler feedwater
d. uses otherwise wasted heat to preheat the boiler feedwater
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Every inch of rainfall or irrigation water is equivalent to more than ____ gallons per acre
A) 1,700 B) 2,700 C) ?27,000 D) 250,000
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The center-to-center distance between secant piles is generally
A) 5 to 8 ft. B) 15 to 20 ft. C) 8 to 12 ft. D) 10 to 15 ft. E) none of the above.
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Convert 374°F to Kelvins
What will be an ideal response?
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Because they produce motion and force in a straight line, _____ are called linear actuators
A) pistons B) motors C) cylinders D) pumps
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