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Chapter 13: Rotary Devices

Bearings

1.
The three main types of bearings are linear, thrust, and
A)roller.
B)ball.
C)radial.
D)plain.
2.
Rotating shafts are generally supported by
A)thrust bearings.
B)radial bearings.
C)antifriction bearings.
D)sleeve bearings.
3.
The type of bearing that is used to support an axial load on rotating parts is a(n)
A)radial bearing.
B)linear bearing.
C)angular-contact bearing.
D)thrust bearing.
4.
Bearings used to slide down the length of a shaft or rail are
A)linear bearings.
B)thrust bearings.
C)plain bearings.
D)radial bearings.
5.
Plain bearings are generally made from
A)materials with a high coefficient of friction.
B)extremely hard materials.
C)materials with a low coefficient of friction.
D)extremely soft materials.
6.
Roller bearings have
A)spherical balls.
B)cylindrical rollers.
C)multiple small-diameter wheels.
D)semi-spherical rollers.
7.
A Babbitt bearing is an example of a
A)thrust bearing.
B)sleeve bearing.
C)plain bearing.
D)roller bearing.
8.
Bearings are designed to provide
A)non-friction contact for sliding parts.
B)reduced friction for sliding parts.
C)zero friction for rotating parts.
D)sliding contact for moving parts.
9.
A bearing that carries a load at right angles to the shaft on which it is installed is a(n)
A)thrust bearing.
B)radial bearing.
C)angular-contact bearing.
D)self-aligning bearing.
10.
The simplest bearing is called a
A)thrust bearing.
B)linear bearing.
C)plain bearing.
D)radial bearing.
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