The oxyfuel flame that has a white feather created by excess fuel is called a(n) _____.
a. neutral flame
b. carburizing flame
c. oxidizing flame
d. sublimating flame
Answer: B
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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
Of all the grain crops, _____ is grown in every state in the United States
a. barley c. corn b. sorghum d. wheat
Consider a sealed 20-cm-high electronic box whose base dimensions are 40?cm × 40?cm placed in a vacuum chamber. The emissivity of the outer surface of the box is 0.95. If the electronic components in the box dissipate a total of 100 W of power and the outer surface temperature of the box is not to exceed 55°C, determine the temperature at which the surrounding surfaces must be kept if this box is to be cooled by radiation alone. Assume the heat transfer from the bottom surface of the box to the stand to be negligible.
What will be an ideal response?
ASE-Style Multiple Choice A ____ is a large metal or plastic body part - a fender, hood, deck lid, or roof panel, for example.
A. clamp B. frame rack C. panel D. wrecker