What is the purpose of the wetted media in an evaporative cooling system?
A) Water is absorbed by the wetted media to increase air temperature.
B) Ammonia is moved across the wetted media.
C) Water is moved across the wetted media to pretreat the air.
D) Water evaporates from the wetted media, reducing the air temperature.
D
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The first industrial robots were ____________________ robots that were used to move material with little repetitive accuracy required.
Fill in the blank(s) with the appropriate word(s).
Driveline vibrations and U-joint failures are often caused by loose __________, slip spline play, bent drive-shaft tubing, and excessive radial play.
Fill in the blank(s) with the appropriate word(s).
Technician A says that disc brake pads showing cracks in the lining material should be replaced. Technician B says the pads should be removed and inspected whenever there is a brake performance complaint. Which technician is correct?
A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither Technician A nor B
If a post-2010 truck air system is functioning to the FMVSS 121 standard, what should be the maximum time required to build system pressure from 85 psi to 100 psi (5.8 to 7 bar)?
A. 25 seconds B. 40 seconds C. 60 seconds D. 90 seconds