Technician A says that a fault in the cooling system can cause an increase in engine operating temperatures, and therefore cause a change in NOx emissions. Technician B says that advanced ignition timing causes the spark to occur too soon while the piston is coming down ignition on the compression stroke. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A
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Most active progressives were middle-class Americans. Why were certain aspects of political and social progressive reform more attractive to them than to either the working classes or to the wealthier segments of society? Be specific in your examples.
What will be an ideal response?
Technician A says that when reusing suspension cylinders the rod assemblies are often sent out for re-chroming or polishing to restore the finish. Technician B says the cylinders themselves can often be honed out or re-tubed.Who is correct?
A. Technician A B. Technician B C. Both D. Neither
The chemical components of CFC refrigerants are:
A) Chlorine, fluorine, and carbon. B) Carbon, frankincense, and Clorox. C) Chlorine, Freon, and chromium. D) Carbon, Freon, and chlorine.
Before a completed building can be used, permanent utilities must be installed and _____
a. the owner must provide approval b. approved by the architect c. a certificate of occupancy issued d. final payment made to the contractor