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Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315

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BuyFindarrow_forward

Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315
Textbook Problem

Multiple valve engines tend to be more efficient than two-valve-per-cylinder engines because they.

  1. allow for increased port areas

  • have smaller valves
  • c. provide less restriction to the airflow

    d. all of the above

    To determine

    The appropriate word to fill in the blank in the statement: ‘Multivalve engine tends to be more efficient than two-valve-per-cylinder because they______.’

    Explanation

    Given information:

    1. allow for increased port areas.
    2. have smaller valves.
    3. provide less restriction to the airflow.
    4. all of the above.

    Multi-valve engine allows more air in and out, this helps in better combustion. Multivalve consists of three, four, five valves, more the number of valves require less power to open them...

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