Which of the following is a pre-combustion emission control?
A. EVAP
B. PCV
C. Catalytic converter
D. EGR
Answer: A
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While cutting excess cuticle around the nail, you accidentally cut the client's skin so that it bleed. What should you use to stop this bleeding?
What will be an ideal response?
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Primary air adjusters on atmospheric type gas burners are usually ____.
A. butterfly shutters B. sliding sleeves C. spoiler screws D. all of the above
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Abrasive saws are fast cutting
Indicate whether the statement is true or false
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Improper combustion can lead to ____.
A. excessive carbon monoxide production B. smoke condition around furnace C. wasted oil D. all of the above
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