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ase a1 automotive engine repair

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11. One revolution on a standard micrometer equals what distance?

a. .050”
b. .250”
c. .0025”
d. .025”



12. All of the following are symptoms of worn rings except:

a. Excessive oil consumption
b. Low compression
c. Coolant in the oil
d. Reduced fuel economy



13. After an engine overhaul, the engine runs rough and lacks power. What is the most likely cause?

a. Camshaft out of time
b. Crankshaft out of balance
c. Valves not seated in yet
d. Clogged fuel injectors



14. The harmonic balancer serves what function?

a. Keeps the engine in balance
b. Keeps the induction system in balance
c. Reduces vibrations through the crankshaft during power strokes
d. Reduces the imbalance between the crankshaft and camshaft



15. Technician A says a clogged EGR port will cause detonation. Technician B says a clogged EGR port will not affect engine performance. Who is correct?

a. Technician A Only
b. Technician B Only
c. Both Technician A and B
d. Neither Technician A or B




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