The major difference in the air/fuel sensor operation compared to the conventional oxygen sensor is in the signal generated to the PCM.
Answer the following statement true (T) or false (F)
True
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?An advantage of a(n) _____ contract is that the contractor does not have to allow for unforeseen problems.
A. ?cost-plus B. ?lump-sum C. ?fixed-sum D. ?presale
Ramping permits the motor to bring the load up to speed slowly as opposed to simply connecting the motor directly to the line.
Answer the following statement true (T) or false (F)
What is the purpose of cooling tower fill material?
A) Increases the rigidity of the cooling tower structure B) Slows the falling water and increases the surface exposure for evaporation C) Provides a growing surface for algae and plants that help clean the water D) Filters out dirt and debris from the cooling tower water
Which type of system reduces the total amount of refrigerant charge required?
A) Multiplex B) Distributed C) Direct-expansion D) Secondary-loop