Back-to-back and face-to-face describe types of _____ seals

A) tandem B) double C) outside D) inside


B

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Dissolved minerals in the boiler feedwater system include metallic salts and calcium carbonates that cause scale, corrosion, and turbine blade deposits. Boiler feedwater is treated with __________ to precipitate these minerals from the water.

a. lime b. salt c. lemon d. ethanol

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Explain the purpose and anatomy of a nailing flange. Which types of windows are typically provided with nailing flanges?

What will be an ideal response?

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Equipment grounding conductor(s) or equipment bonding jumpers entering a box count as ____.

A. one branch B. one ground C. one device D. one conductor

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What is output voltage at the end of the input pulse to an RL integrator if the resistance is 22 k?, the inductor is 2 H and the input is a 12 V, 0.0909 ms pulse?

A) 11.8 V B) 10.4 V C) 7.59 V D) 11.4 V

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