When Performing a Back Leakage Test on a CR Engine

question 59

Multiple Choice

When performing a back leakage test on a CR engine with CRI2 injectors, excessive fuel flow from the fuel return line was measured from the cylinder head. Which of the following conditions is most likely the cause?

• A)A worn-out high-pressure pump.
• B)A defective fuel control valve.
• C)A leaking quill tube connection.
• D)A defective pressure-protection valve.

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Definitions:

Enforcement Acts

The Enforcement Acts were a series of laws passed by Congress in the early 1870s to protect African Americans' rights and to combat the activities of the Ku Klux Klan and similar groups in the Reconstruction South.

Ku Klux Klan

A white supremacist group that has advocated for the white dominance, anti-immigration, and segregationist policies in the United States since its formation in the 19th century.

President Grant

Ulysses S. Grant, the 18th President of the United States, known for his leadership during the Civil War and his efforts in Reconstruction.

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