Which of these conditions will disable the electric AIR pump?
A) The AIR pump has been on for more than 240 seconds
B) The MAP sensor shows a pressure of less than 20 kPa
C) The PCM has set a DTC for the AIR system
D) All of these are correct
D
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Plants cool the air through ____.
A. evapotranspiration B. evaporation C. transpiration D. respiration
When using a recovery device manufactured after November 15, 1993, the recovery level for Type I appliances is:
A) 80 percent of the system charge if the compressor is nonoperational, 90 percent if the compressor is operational. B) 80 percent of the system charge. C) 0 psig. D) 80 percent of the system charge if the compressor is operational, 90 percent if the compressor is nonoperational.
What is a T-puller used for?
A. removing a cylinder head B. installing a water pump C. installing a cylinder liner D. removing a pulley from a shaft
Phosphoric acid has the form H3PO4. List all the acids that may donate a hydrogen ion and the conjugate bases that may accept the proton for this acid compound.
What will be an ideal response?