Heavy Duty Diesel (Michigan SOS Test
Study) 2 (35 questions)
On a typical diesel subsystem, what system would most likely be used at the
lowest pressure when the engine is running? - ANS Primary filter
ER
Where is the secondary fuel filter usually located? - ANS on the side of the
transfer pump
GH
Besides fue4l storage, the fuel tank may play an important role in a high-flow fuel
system as a: - ANS Heat exchanger
What could be used to test the low-pressure side of a typical diesel fuel
HI
subsystem for inlet restriction? - ANS Negative pressure gauge
Which of the following should fuel subsystem charging pressures be measured
NG
with?
a.) Diagnostic sight glass
b.) H20 manometer
c.) HG manometer
YI
d.) Accurate pressure gauge - ANS D
FL
What type of fuel transfer pump is more commonly used by electronically
managed engine/fuel systems? - ANS Gear pumps
What type of pumping principle is used by a typical hand primer pump? - ANS
Single acting plunger
Charging pressure rise is usually directly related to what? - ANS Increased RPM
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