Name the process used to make rubber products such as tires and other circular and cylindrical shapes, although other shapes are commonly produced. This process works by wrapping measured layers of the polymer around a steel roll in the form of the desired product.
What will be an ideal response?
Vulcanization
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Ammeters should be connected ________ with the circuit being tested.
A) Across a load B) In parallel C) In series D) None of these
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Describe some of the characteristics that make the following processes irreversible:
(a) liquid water flowing through a pipe; (b) a block of lead being melted from the heat of a furnace; (c) air being compressed isothermally in a piston-cylinder assembly; (d) hydrogen and oxygen reacting to form water. What will be an ideal response?
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How should a shaft, chain, or belt be maintained?
What will be an ideal response?
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____ helps the weld by protecting the hot metal from the effects of the atmosphere.
A. Slag B. Heat C. Oxides D. Gas-forming agents
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