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Heavy Duty Diesel (Michigan SOS Test Study) 2 (35 questions) Questions with correct Answers
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Heavy Duty Diesel (Michigan SOS Test Study) 2 (35 questions)
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Heavy Duty Diesel (Michigan SOS TestStudy) 2 (35 questions)
On a typical diesel subsystem, what system would most likely be used at the lowest
pressure when the engine is running? - answerPrimary filter
Where is the secondary fuel filter usually located? - answeron the side of the transfer
pump
Besides fue4l storage, the fuel tank may play an important role in a high-flow fuel
system as a: - answerHeat exchanger
What could be used to test the low-pressure side of a typical diesel fuel subsystem for
inlet restriction? - answerNegative pressure gauge
Which of the following should fuel subsystem charging pressures be measured with?
a.) Diagnostic sight glass
b.) H20 manometer
c.) HG manometer
d.) Accurate pressure gauge - answerD
What type of fuel transfer pump is more commonly used by electronically managed
engine/fuel systems? - answerGear pumps
What type of pumping principle is used by a typical hand primer pump? - answerSingle
acting plunger
Charging pressure rise is usually directly related to what? - answerIncreased RPM
What is the purpose of the air inlet system? - answerTo provide clean air to engine and
optimize air flow
What is the function of the charge air cooler? - answerto lower the temperature of
incoming air before it enters the cylinders
Where does air flow begin? - answerIntake Air duct
What component increases the volume of air entering the engine?
a.) Air filter
b.) Charge air cooler
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