Automotive Technology: A Systems Approach (MindTap Course List)
Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN: 9781133612315
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Chapter 12, Problem 15RQ

Which of the following statements is not true?

  1. Normally the desired valve face-to-seat contact area for intake valves is 1 inch.

  • Normally the desired valve face-to-seat contact area for exhaust valves is 1 inch.
  • The average valve seat width is 0.060 inch and the average seat begins 0.030 inch from the valve margin.
  • A properly reconditioned seat has the correct seat width and sealing position on the valve face.
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    Complete the schematic below to provide for the following: 1. Cylinders extend and retract together. The cylinders extend when the valve lever is pulled ouat and retract when the lever is pushed in. 2. Provide independently adjustable meter-in flow control for extend. The flow control used to extend Cyl #1 should be labeled "FC1". The flow control used to extend Cyl #2 should be labeled "FC2". 3. Provide independently adjustable meter-out flow control for extend. retract The flow control used to retract Cyl #1 should be labeled "FC3". The flow control used to retract Cyl #2 should be labeled "FC4". CYL1 CYL #2 "AUHVA
    The velocity of flow increases when valve openings decreases Select one: O True O False

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    Automotive Technology: A Systems Approach (MindTap Course List)

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