Question

question 7

1. oil viscosity refers to

a. removing sludge
c. flow resistance
d. none of the above
b. the weight

question 8

1. reducing power suddenly from a high power setting, cooling the cylinder

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Explanation:

Viscosity is a fluid property that describes its resistance to flow. For oil, this directly corresponds to flow resistance. Removing sludge is related to oil filtration, weight is a measure of mass under gravity, so neither matches the definition of viscosity.

Answer:

c. flow resistance

Additionally, Question 8 is incomplete. Please provide the full question and options so I can assist you further.