____________________ is the joining of two pieces of metal alloy having a melting point below 800 degrees Fahrenheit.
Fill in the blank(s) with the appropriate word(s).
Soldering
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When a parallelism tolerance (MMC) is applied to a feature of size, the deviation is often verified by passing the feature of size through a(n) ____________________ condition boundary.
Fill in the blank(s) with the appropriate word(s).
In a building enclosure, such as a room, the air and water vapor are thoroughly mixed together. In terms of their diffusion (transmission) through the enclosure surfaces, do they behave as one gas? Explain.
What will be an ideal response?
The ____ and proton combine to form the nucleus of the atom.
a. nucleon b. neutron c. positron d. electron
The majority of air leaks in sheet metal duct systems occur:
A) Along the lengthwise seam in the duct. B) In the seams of adjustable elbows. C) At joints between ducts. D) Around takeoffs on supply and return plenums.