Quiz 13 - Engine Sealing And Reassembly

18 Questions | Total Attempts: 510

SettingsSettingsSettings
Engine Quizzes & Trivia

Payment's review questions on engine sealing


Questions and Answers
  • 1. 
    Which of the following perform the vital task of sealing the engine?
    • A. 

      Gaskets

    • B. 

      Seals

    • C. 

      O-rings

    • D. 

      All of the above

  • 2. 
    Which of the following statements is not correct?
    • A. 

      All metals are elastic

    • B. 

      Cut bolt threads are 30 percent stronger than rolled threads

    • C. 

      Torque is a function of friction

    • D. 

      Proper use of torque will avoid a yield condition

  • 3. 
    Which one of the following gaskets is not used on certain engines?
    • A. 

      Valve cover gasket

    • B. 

      Cylinder head gasket

    • C. 

      Exhaust manifold gasket

    • D. 

      Oil pan gasket

  • 4. 
    The proper engine break-in procedure is:
    • A. 

      A test run at 30 mph

    • B. 

      A test run at 10 mph and acceleration to 30 mph

    • C. 

      A test run at highway speed

    • D. 

      Best determined by the new car manufacturer

  • 5. 
    A silicone RTV gasket can be used to replace conventional_____gaskets
    • A. 

      Paper

    • B. 

      Cork

    • C. 

      Cork with rubber

    • D. 

      All of the above

  • 6. 
    Bolt torque is a function of:
    • A. 

      Tension

    • B. 

      Torsion

    • C. 

      Friction

    • D. 

      All of the above

  • 7. 
    A damaged bolt should be:
    • A. 

      Repaired with a tap

    • B. 

      Repaired with a die

    • C. 

      Discarded

    • D. 

      Both B and C

  • 8. 
    Graphite is a:
    • A. 

      Natural lubricant

    • B. 

      Synthetic lubricant

    • C. 

      Natural sealant

    • D. 

      Synthetic sealant

  • 9. 
    Technician A says some seals are designed to keep oil from escaping around a rotating shaft. Technician B says some seals are used to prevent fluid leaks between two fairly rigid flanges. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 10. 
    Technician A uses adhesives to hold gaskets in place while installing them. Technician B use RTV when an anaerobic sealant is required. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 11. 
    Technician A uses soft gaskets on valve covers. Technician uses soft gaskets on water pumps. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 12. 
    Technician A spray paints the engine assembly after it is completely assembled. Technician B puts grease on the exhaust and intake ports before painting the engine. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 13. 
    Technician A says two extremely smooth surfaces do not require gaskets or sealants when they are fastened together. Technician B always uses new gaskets and never reuses old ones. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 14. 
    Technician A uses chemical thread retainers on critical bolts and nuts. Technician B says chemical thread retainers cannot be used as a substitute for lock washers. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 15. 
    Technician A says damaged threads in a cylinder head can be repaired with a helically coiled insert. Technician B says stripped threads are commonly caused by over-torquing. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 16. 
    Techniocian A says aluminum expands at a different rate than cast iron. Technician B says cast iron has a coefficient of thermal expansion two or three times greater than aluminum. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 17. 
    Proper engine break-in procedure is being discussed. Technician A says the engine should be run at idle speed for at least two hours. Technician B says the engine should be accelerated at full throttle to 50 mph. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

  • 18. 
    Torque-to-yield bolts are being discussed. Technician A says compared to conventional bolts, toque-to-yield bolts offer more uniform clamping force. Technician B says torque-to-yield bolts are tightened to a specific torque, and then rotated a certain number of degrees. Who is correct?
    • A. 

      A only

    • B. 

      B only

    • C. 

      Both A and B

    • D. 

      Neither A nor B

Back to Top Back to top