What forms as the result of the incomplete combustion of natural gas?

a. Ozone
b. Nitrogen
c. Aldehydes
d. Sulphuric acid


c

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Which of the following devices have been proven to lower NOx emissions in highway diesel engines?

A. exhaust gas recirculation (EGR) B. dosing of exhaust gas C. oxidation catalysts D. diesel particulate traps

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Which of the following is true regarding job-site warnings?

a. Anyone working on a job site has access to restricted areas. b. You may ride on a load as long as it is solid and secure. c. Comply with OSHA requirements in hard hat zones. d. Accident prevention signs apply to trainees only.

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Use a ______ to remove the valves from the head for inspection.

A. dead blow hammer B. case splitter C. spring compressor D. vernier caliper

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What is a functional organization and what are its advantages and disadvantages?

What will be an ideal response?

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