Give your familiarity for following terms 1. roasting 2. smelting 4. zone refining 5. polling​

Question

Give your familiarity for following terms

1. roasting 2. smelting 4. zone refining 5. polling​

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Bình An 2 months 2021-07-12T02:28:25+00:00 1 Answers 5 views 0

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    2021-07-12T02:30:09+00:00

    Answer:

    1. The roasting process is a delicate combination of art and science . Roasters are familiar with how the beans look and the smells Well, familiarity with the machine makes things much easier to predict, but the best way is to do many different tests .Well, familiarity with the machine makes things much easier to predict, but the best way is to do many different tests.
    2. Smelting is a process of applying heat to ore in order to extract a base metal. It is a form of extractive metallurgy. It is used to extract many metals from their ores, including silver, iron, copper, and other base metals.In zone refining, solutes are segregated at one end of the ingot in order to purify the remainder, or to concentrate the impurities. For example, in the preparation of a transistor or diode semiconductor, an ingot of germanium is first purified by zone refining.
    3.  In zone refining, solutes are segregated at one end of the ingot in order to purify the remainder, or to concentrate the impurities. … For example, in the preparation of a transistor or diode semiconductor, an ingot of germanium is first purified by zone refining.
    4. Polling is the process where the computer or controlling device waits for an external device to check for its readiness or state, often with low-level hardware. For example, when a printer is connected via a parallel port, the computer waits until the printer has received the next character.

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