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How much caffeine could be extracted using our procedure if we had used ethyl acetate (K= 2.0) instead of methylene chloride? Explain why the amount does or does not change.

Two technicians are discussing the intake air temperature (iat) sensor. technician a says that the computer uses the iat sensor as a backup to the engine coolant temperature (ect) sensor. technician b says that the powertrain control module (pcm) will subtract the calculated amount of fuel if the air measures hot. who is correct

The higher the astm grain-size number, the coarser the grain is. a)-true b)-false

Vibration monitoring this technique uses the noise or vibration created by mechanical equipment and in seme cases by plant systems to detemine their actual condtion. a)- true b)- false