Quiz on Bearings

What do rolling element bearings facilitate?

• Free movement of parts in rotational motion

• Restricted movement of parts

• No movement of parts

• Random movement of parts

What is a benefit of cylindrical roller bearings?

• High friction

• Low stiffness

• Long service duration

• High cost

What is a common use case for spherical roller bearings?

• Office equipment

• Off-road vehicles

• Household appliances

• Low-speed fans

What is a disadvantage of using roller bearings in general?

• Low noise

• High cost

• Low durability

• High friction

In needle roller bearings, how does the length of the rollers compare to their diameter?

• Exceeds the diameter by at least four times

• Is equal to the diameter

• Is less than the diameter

• Is twice the diameter

Where are needle roller bearings commonly used?

• In automobile components like transmission and rocker arm pivots

• In high-speed turbines

• In low-load applications

• In electrical circuits

What is the main advantage of spherical roller thrust bearings?

• They are lightweight.

• They are self-aligning.

• They are used for high-speed applications.

• They are inexpensive to manufacture.

What is a common material used in plain bearings?

• Steel alloys

• Plastic composites

• Copper alloys

• Rubber compounds

What type of loads can plain bearings accommodate?

• Only static loads

• Only dynamic loads

• Both static and dynamic loads

• Only axial loads

What connects the piston to the connecting rod in diesel engines?

• Roller bearing

• Ball bearing

• Plain bearing

• Thrust bearing