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. Who is right?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
A
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Peripheral structures sensitive to the presence of hormones are called
A) exocrine cells. B) first messengers. C) target cells. D) second messengers. E) G-proteins.
Tip die-back or shoot-tip necrosis is usually caused by this mineral deficiency.
What will be an ideal response?
What types of information are provided in the invitation to bid?
What will be an ideal response?
The outside of a soldered joint looks complete, but when it is cut open for testing the solder has not flowed into the joint. What may have happened to cause this?
A) The pipe was overheated. B) The pipe was heated before the joint. C) The wrong type of solder was used. D) The joint was heated before the pipe.