Technician A says that a MAF sensor is a high-authority sensor and is responsible for determining the fuel needs of the engine based on the measured amount of air entering the engine. Technician B says that a cold wire MAF sensor uses the electronics in the sensor itself to heat a wire 20°C below the temperature of the air entering the engine. 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 two durability grades (Exterior and Exposure 1) are not available in OSB panels and why?
What will be an ideal response?
The exhaust system helps with engine noise reduction and heat transfer
Indicate whether the statement is true or false
The rhythm of moving the torch helps ____.
A. prevent burn-through B. flashing C. make the bead uniform D. protect the molten metal with the outer flame envelope
If the effective area of the raster of an electron microscope specimen, supplying information to the CRT of an electron microscope, has a 5nm diameter and the semicone angle, a, of the electron beam is 0.01 rad.:
(a) What would be the maximum usable magnification of the microscope if a digital spot on thescreen of the CRT has a 100 µm diameter? (b) What would be the depth of field at this magnification? (c) What would be the depth of field if this microscope were to be operated at a magnificationof 2000X?