Bright brownish or reddish colored soil or saprolite layers encountered during excavation are likely to be result in acid sulfate soil problems if exposed to the air
Indicate whether the statement is true or false
FALSE
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Package boilers were developed in order to _____.
a. reduce the price of boilers b. use alternative sources of fuel c. allow small facilities to generate their own power and steam d. protect the environment
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When coupled with one of the senses, _____ helps a driver know when a system is getting ready to fail.
Fill in the blank(s) with the appropriate word(s).
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When the shielding gas flow rate is high, air is drawn into the gas envelope by a(n) ____________________ effect around the edge of the nozzle.
Fill in the blank(s) with the appropriate word(s).
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An ignition fault could cause excessive ________ exhaust emissions
A) CO2 B) NOx C) CO D) HC
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