What do all post-2007 diesel particulate filters (DPFs) require periodically?
A. Filter replacement.
B. Bench testing to meet EPA standards.
C. Service intervention to remove ash residues.
D. Pressure testing to check for leaks.
Answer: C
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In a hive, as many as a dozen different ____________________ may mate with one queen
Fill in the blank(s) with correct word
An animal first begins to deposit fat in the:
a. Abdominal cavity c. Head b. Legs d. Muscles between the muscle cells
What is the function of an injector leak-off line?
a. vents fuel to atmosphere b. prevents fuel leakage into oil c. returns fuel to fuel tank d. routes fuel to injector pressure chamber
The combined desk telephone and the Hoover Model 150 upright vacuum cleaner were both designed by ____.
A. Henry Dreyfuss B. Raymond Loewy C. William Morris D. Walter Gropius