Round 47 minutes to the nearest tenth of an hour
What will be an ideal response?
0.8 hour
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____________________ is the process sometimes used to remove large areas of metal so that hard surfacing can be applied.
Fill in the blank(s) with the appropriate word(s).
A land mass built up by the dropping of till (large boulders, smaller rocks, sand, silt, and clay) from a glacier is known as a:
a. Prairie c. Moraine b. Mesa d. Flood plain
Which one of the following statements about troubleshooting ladder logic counter programs is NOT true?
A) Track counter data in counter dialog boxes. B) The SUS instruction, TND instruction, and JSR instruction are good troubleshooting instructions for counter ladder logic. C) If the count is inconsistent, verify that the period of the counter logic transition is not shorter than the scan time. D) Check situations where process speeds are much slower than the scan times, and counters are controlling slow process devices.
Which style of burner usually operates with a higher flue gas CO2 percentage?
A) Older gun burners B) Flame retention burners C) Newer gun burners D) The CO2 should be around 12 percent with all oil burners.