Author Question: When compared to a gasoline engine, the diesel engine may be ________ than a similar size engine. ... (Read 505 times)

Yi-Chen

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When compared to a gasoline engine, the diesel engine may be ________ than a similar size engine.
 
  A) Lighter B) Heavier
  C) Quieter D) Easier to start in cold weather

Question 2

Selective catalytic reduction (SCR) uses urea injection to reduce ________ emissions.
 
  A) CO B) H2O C) NOx D) CO2



shewald78

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Answer to Question 1

B

Answer to Question 2

C



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