Two technicians are discussing the IAT sensor. Technician A says that the IAT sensor is more important to the operation of the engine (higher authority) than the ECT sensor. Technician B says that the PCM will add fuel if the IAT indicates that the incoming air temperature is cold. Who is right?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
B
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El método de lectura en el cual se detecta un objetivo cuando pasa entre un sensor fotoeléctrico y un reflector se denomina:
a. lectura directa. b. lectura difusa. c. lectura reflejada. d. lectura retroreflectiva.
What are the main advantages of using EHIs in place of hydraulic multi-orifii injectors in an EUP fuel system?
A. soft opening pressures B. faster response times C. elimination of the collapse phase D. all of the above
Which of the following is a true statement about chemical constraints in different agroecological areas of the tropics?
A) Highest phosphorus fixation occurs in semiarid areas. B) Low CEC is most prevalent in acid savannas. C) Acidity without Al toxicity is highest in the humid tropics. D) Aluminum toxicity is most widespread in semiarid areas. E) The proportion of saline soils in the humid tropics is greater than in other regions.
The product of the source voltage and the total current is _____
a. apparent power b. true power c. reactive power d. the power factor