Which statement concerning a lubricating oil's viscosity and bearing loading characteristics is true?

Question

Accepted Answer

Shaft bearings associated with relatively high torque loads and low rotational speeds require a lubricating oil with a relatively high viscosity.

Answer

Shaft bearings associated with relatively low torque loads and high rotational speeds require a lubricating oil with a relatively high viscosity.

Answer

The viscosity requirements of a lubricating oil are not dependent on the relative torque load or rotational speed of a shaft bearing.

Answer

Shaft bearings associated with relatively high torque loads and low rotational speeds require a lubricating oil with a relatively low viscosity.

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