Which of the following statements best describes how EGR functions to reduce NOx emissions?
A. reduces oxygen intake to the engine
B. routes HC into engine cylinder
C. routes PM into engine cylinder
D. cools down the intake charge
Answer: A
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What will be an ideal response?
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A. Crank throw dimension B. Connecting rod length C. Swept volume D. Clearance volume
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Describe what happens to the vegetation in a range area if there is overgrazing for an extended period of time. What
happens as a result of undergrazing?
What will be an ideal response?
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