Technician A says that MB-4000 engine controllers are designed to broadcast data on a J1939 data bus. Technician B says that because MB-900 engines are built offshore the data bus will not display the SAs, MIDs, PGNs, PIDs, SIDs and FMIs that enable generic readers to access the electronics. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: A
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What is the name of the moveable component of the starter motor that consists of conductor wound around a laminated iron core?
What will be an ideal response?
Automatic expansion valves are similar in operating concept to:
A) Electronic expansion valves. B) Manual valves. C) Fixed restrictions. D) Pressure regulators.
What is a practical use for knowing a substance's triple point?
A) Triple point is a purely theoretical concept that cannot be actually achieved B) Understanding that a system may not be charged past the triple point of the refrigerant being used C) Understanding the practical operating limits of a refrigeration system D) Calibrating thermometers using the triple point temperature
The amount of mass that flows through something per unit of time is called
a. mass moment of inertia b. volumetric flow rate c. mass flow rate d. none of the above