What does HD-OBD specifically mandate?
A. Enabling J1939 bus access
B. Enabling bus access to emissions-related fault repairs
C. Improving diesel engine fuel economy
D. All of the above
Answer: B
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Which of the following should process technicians look for in the operation and maintenance of compressors?
A. Oil levels B. Flow rates C. Liquid levels D. All of the above
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A dirty condenser coil can lead to ____.
A. increased efficiency B. reduced efficiency C. increased head pressure D. both b and c
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Which exhaust emission is formed by high combustion chamber temperatures?
A) HC B) CO2 C) CO D) NOx
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Negotiating time zone distances can complicate the logistics of _____.
A. collaboration B. consensus C. vertical thinking D. virtual teaming
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