Review Quiz PEOP2001

Journal bearings contain rolling elements

• True

• False

In a rolling contact bearing, both the outer and inner rings rotate as the shaft rotates.

• True

• False

Bearings are designed to take bending moments in addition to both radial and axial loads.

• True

• False

Mineral oils are of animal or vegetable origin

• False

• True

A high viscosity index means that lubricant viscosity changes a lot with temperature changes

• False

• True

Grease is the most popular lubricant for bearings

• True

• False

Bearings completely eliminate friction in a machine

• True

• False

In hydrodynamic lubrication, a thin film of lubricant separates the contact surfaces

• True

• False

Ball bearings can carry more load than roller bearings

• True

• False

Fire tube boilers are used for generating high pressure steam and for high steam demands

• True

• False