Wiring schematics have which information about circuits?
A) Wire size B) Circuit number C) Wire color D) All of these
D
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Which of the following is expected of process technicians?
A. Develop new standard procedures that are quicker to complete without all the safety regulations B. Focus on company profits over safety C. Look for ways to reduce waste and improve efficiency D. All of the above
Which of the following is a function of reflective insulation?
a. Reflects radiation while allowing light to pass b. Reflects light while absorbing heat c. Reflects heat toward the heat source d. Reflects heat toward the interior
In order to modulate the flow of supply air, VAV systems may use inlet guide vanes on the fan inlet or _____.
a. hot gas bypass b. an economizer c. variable speed drives d. powered exhaust
A diesel engine produces pronounced combustion knock along with white smoke emission. Which of the following is the more likely cause?
A. High sulfur fuel. B. Advanced fuel injection timing. C. Out of balance fuel injection system. D. Air leak in suction side of the fuel subsytem system.