Quiz 3 - Upper Engine/Timing Components

14 Questions | Total Attempts: 136

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Quiz 3 - Upper Engine/Timing Components - Quiz

Payments review questions on timing components


Questions and Answers
  • 1. 
    Technician A checks camchaft wear with a micrometer. Technician B uses a dial indicator. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 2. 
    All of the following are correct statements about camshafts except:
    • A. 

      The camshaft rotates at twice the speed of the crankshaft

    • B. 

      The camshaft drive gear or sprocket is twice as large as the crankshaft sprocket

    • C. 

      For every two turns of the crankshaft, the camshaft turns once.

    • D. 

      The exhaust and intake valves each open once during four strokes

  • 3. 
    When a camshaft is worn to the point of replacement, what else should be replaced?
    • A. 

      Valve lifters

    • B. 

      Timing drive components

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 4. 
    Which type of lifter must have manually adjustable valves?
    • A. 

      Hydraulic

    • B. 

      Solid

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 5. 
    When one hydraulic lifter is collapsed and causing valvetrain noise, what is the most likely cause?
    • A. 

      One worn or dirty lifter

    • B. 

      Low oil pressure

    • C. 

      High oil pressure

    • D. 

      Incorrect valve timing

  • 6. 
    When all the hydraulic lifters are collapsed and causing valvetrain noise, what is the most likely cause?
    • A. 

      One worn or dirty lifter

    • B. 

      Low oil pressure

    • C. 

      High oil pressure

    • D. 

      Incorrect valve timing

  • 7. 
    What is typically the maximum amount of warpage that is acceptable on an average cylinder head?
    • A. 

      .001 inch

    • B. 

      .005 inch

    • C. 

      .010 inch

    • D. 

      .015 inch

  • 8. 
    Multiple valve engines tend to be more efficient than engines with two valves per cylinder because they:
    • A. 

      Allow for increased port areas

    • B. 

      Provide more valve area

    • C. 

      Provide less restriction to the airflow

    • D. 

      All of the above

  • 9. 
    Technician A says worn valve stem seals can increase oil consumption. Technician B says worn valve stem seals can cause valve deposits. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 10. 
    Technician A says that timing belts are typically stretched into place using a pry bar. Technician B says timing belts should be lubricated. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 11. 
    Technician A says that timing chains typically are provided with splash lubrication. Technician B says timing gears should always be replaced as a set. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 12. 
    Which of the following typically would not have a timing mark?
    • A. 

      Idler Shaft Sprocket

    • B. 

      Camshaft Sprocket

    • C. 

      Balance Shaft Sprocket

    • D. 

      Crankshaft Sprocket

  • 13. 
    What type of engine damage is most likely if a timing belt or chain breaks?
    • A. 

      Broken camshaft

    • B. 

      Bent valves

    • C. 

      Broken crankshaft

    • D. 

      No damage can possible occur

  • 14. 
    What is a typical recommended timing belt change interval mileage?
    • A. 

      20,000 to 50,000 miles

    • B. 

      40,000 to 50,000 miles

    • C. 

      60,000 to 100,000 miles

    • D. 

      There is never a scheduled belt change

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