Two technicians are diagnosing a poorly running engine. There are no diagnostic trouble codes. When the MAF sensor is unplugged, the engine runs better. Technician A says that this means the MAF is supplying incorrect air flow information to the PCM. Technician B says that this indicates the PCM is defective. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A
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There is a lighting circuit electrical floor plan for each level or major space within a building.
Answer the following statement true (T) or false (F)
In order to measure current
A) you must install the meter in the current path B) you must connect the meter across the component C) you must connect the meter in parallel D) All of the above
A regular decagon has ten equal sides and ten equal angles. When a regular decagon is drawn inside (inscribed in) a circle, the radii form equal angles at the center. Find the number of degrees in each angle at the center.
A. 20 B. 36 C. 45 D. 60
When a diesel-electric hybrid drivetrain uses regenerative braking, retarding energy (braking force) is sourced from:
A. vehicle momentum B. chassis batteries C. reversing drive motor rotation D. reversing the battery polarity