c. propaneWhen used in oxyfuel cutting, propylene mixtures burn at temperatures around _____ degrees Fahrenheit.
a. 2,511
b. 3,563
c. 4,580
d. 5,193
d. 5,193
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Which of the following would be considered to be a type of in-cylinder exhaust emissions reduction?
A. In-cylinder dosing of DEF B. Selective catalytic reduction (SCR) C. Exhaust gas recirculation (EGR) D. Exhaust aftertreatment
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Ductile iron flanged joints should not be used in areas of excessive _____.
a. heat b. pressure c. vibration d. flow
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Which of the following is used to clean masonry after construction?
a. muriatic acid b. tri-sodium phosphate c. wire brush d. all the above
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Hogs are usually divided into classes based on their weight at weigh-in.
Answer the following statement true (T) or false (F)
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