The term viscosity index refers to _____
a. the lowest temperature at which an oil flows freely
b. how the viscosity of oil varies with temperature
c. the temperature index at which oil gives off ignitable vapors
d. the service life of various oil and grease products
b
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Which of the following terms is used to describe the overall breathing efficiency of an engine?
A. scavenging B. thermal efficiency C. volumetric efficiency D. combustion efficiency
What four things related to Cargo are drivers responsible
Cdl
Technician A says that door panels use "Christmas tree clips." Technician B says that special tools are not needed to remove door panel clips. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Which of the following is the term that defines when two signals at different frequencies are combined in a nonlinear device?
A. Aliasing B. Mixing C. Foldover distortion D. Fluctuating