What is the primary function of the spill valve actuator used in an E3 injector?
A. opens or closes the injector nozzle
B. opens or closes the spill circuit
C. vents and cools the injector
D. blocks fuel to the nozzle assembly
Answer: B
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What type of smog is created primarily by the burning of heavy fossil fuels such as coal and heavy oils?
A. photosynthetic B. ozone C. sulfur dioxide D. particulate matter
Express 1/3 as a decimal fraction to four decimal places.
A. 0.2500 B. 0.3333 C. 0.3750 D. 0.6667
Technician A says that the automatic headlight system may use a forward facing digital imager camera. Technician B says most adaptive (active) headlight systems require may require initialization or calibration after service. Who is correct?
A. Technician A only B. Technician B only C. Both Technician A and B D. Neither Technician A nor B
A simple circuit with a 2.2 k? resistor dissipates 6 W. Current in the circuit is
A) 5.2 mA B) 27.2 mA C) 2.72 mA D) 52..2 mA