Technician A says that the engines in Ford/Mercury HEVs use camshafts with longer intake lobe duration than ICEs in conventional vehicles. Technician B says that the engine in Ford/Mercury HEVs use camshafts with longer exhaust lobe duration than ICEs in conventional vehicles. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians
D) Neither technician
A
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Which of the following would be more likely to occur in a truck using SAE wiring codes, if you attempted to connect a gray colored wire with a red colored wire?
A. blown fuse B. tripped cycling circuit breaker C. nothing D. a fire
Which plastics material has the highest thermal expansion value??
A. ?phenol-formaldehyde B. ?silicones C. ?polyethylene D. ?epoxy
If you find a walk-in freezer coil completely frozen up what is the first thing to do?
a. Check system temperatures and pressures to see if it is a refrigeration problem. b. Clear all ice off the evaporator before checking the refrigeration system. c. Run the unit into defrost to see if a defrost component is the problem.
Which of the following is a type of brick placement where bricks are placed vertically on end?
A. Wythe course B. Soldier course C. Header course D. Stretcher course