Which of the following situations would be best-suited for the installation of prefabricated, preinsulated lagging panels?

a. Large, long, flat walls
b. Narrow spaces among many pipe penetrations
c. On hot (greater than 400°F or 200°C) power plant boiler enclosures
d. Small-diameter chemical treatment tanks


a. Large, long, flat walls

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Which tool is used to measure U-Joint working angles?

A) Micrometer B) Vernier caliper C) Dial indicator D) None of these is correct

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Cooling water can be supplied directly from the building's water system, or it can be supplied from a ____.

A. recirculation system B. feed system C. piping system D. ventilation system

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An array is an assembly of panels or ____ mechanically integrated with a support structure and other components as required (foundation, tracker, etc.) that will form a direct current power producing unit.

a. modules b. inverters c. generators d. oscillators

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Beams in the middle of a room must be located by dimensions.

Answer the following statement true (T) or false (F)

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