Which of the following engine OEMs used the HEUI fuel management system up to the EPA 2007 model year?
A. Peterbilt
B. Volvo and Mack Trucks
C. Cummins and Detroit Diesel
D. Caterpillar and Navistar
Answer: D
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The exhaust process in the Otto, diesel, and Brayton cycles may be replaced with a constant-volume process for what primary reason?
A) To allow the first law to be satisfied B) To simulate the zero heat transfer of the actual process C) To restore the air to its original state with zero work D) To create a closed cycle
Two technicians are discussing Karman Vortex sensors. Technician A says that they contain a burn-off circuit to keep them clean. Technician B says that they contain a movable vane. Which technician is correct?
A) Technician A only B) Technician B only C) Both technician A and B D) Neither technician
Technician A says that inductive ignition systems supply battery voltage to the positive side of the ignition coil and pulse the negative side of the coil on and off to ground to create a high-voltage spark. Technician B says if an ignition system uses a distributor, it is called a distributor ignition (DI) system. Who is right?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A growler is used to test what starter component?
A) Field coils B) Commutator C) Armature D) Solenoid