What is the purpose of a dispersant additive in lubricating oil?
What will be an ideal response?
Dispersants are added to lubricants to hold sludge and microscopic particles in suspension. Holding the sludge and particles in suspension will enable the filtration system to capture them as they pass through during circulation of the lubricant.
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What is the primary characteristic of an amphoteric compound?
What will be an ideal response?
Technician A says that a dedicated Paccar serial communications adapter (CA) known as a vehicle communications interface (VCI) is required to connect to Paccar MX Series engines built between 2010 and 2013. . Technician B says that a generic RP1210 CA can be used to connect to post-2013 versions of MX-engines. Who is right?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
Permanent botanicals do not need water, but they still require ____ in order to keep them looking
good.
a. maintenance activity and replacement b. a fair amount of indoor light c. a clean, well-kept environment d. washing with soap and water
A rounded inside corner is known as a(n) ____.
A. chamfer B. arc C. radius D. fillet