Technician A says that a green J1939 9-pin DLC is required to access the data bus on MY 2014 and later trucks. Technician B says that a 16-pin J1961 DLC is required to access post-2014 Volvo and Mack Trucks. Who is correct??

A. ?Technician A only
B. ?Technician B only
C. ?Both A and B
D. ?Neither A nor B


Answer: C

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What type of fuel transfer pump is used on a Paccar MX EUP MY 2010-2013 fuel systems?

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Technician A says that the Atkinson cycle improves combustion efficiency by leaving the intake valve open longer than normal. Technician B says that this increases the effective compression ratio. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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What types of education and training are needed during the TQM implementation phase?

What will be an ideal response?

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The engineers triangular scale has how many scales?

A. 3 B. 4 C. 5 D. 6

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