Objectives for Utility Equipment Identification

Identify and describe compaction equipment used on the job site and their uses.

• Roller, used for compacting soil and asphalt

• Excavator, used for digging and moving earth

• Bulldozer, used for pushing large quantities of soil

• Crane, used for lifting heavy materials

Identify and describe electrical generators used on the job site and their uses.

• Portable generators are used for temporary power supply on job sites.

• Solar generators are used for permanent power supply on job sites.

• Wind generators are used for indoor power supply on job sites.

• Hydroelectric generators are used for small-scale power supply on job sites.

Identify and describe air compressors used on the job site and their uses.

• Air compressors are used to power pneumatic tools.

• Air compressors are used for painting and cleaning.

• Air compressors are used for inflating tires.

• All of the above.

What is the purpose of compaction equipment in highway construction?

• To make the underlying soil, asphalt, or gravel as smooth, level, and solid as possible.

• To increase the speed of construction vehicles on site.

• To reduce the cost of construction materials.

• To enhance the aesthetic appearance of the highway.

Which of the following is a type of compaction equipment shown in the image?

• Upright Tamper

• Flat Plate

• Bulldozer

• Excavator

In most cases, the rubber-tired roller is followed by finish-rolling with which type of roller?

• Steel-wheel roller

• Wooden-wheel roller

• Plastic-wheel roller

• No roller

There are four to five tires on one axle and five or six on the other. Compaction is varied by changing the ______ in the tires.

What do vibratory compactors combine with a generated, cyclic force?

• The static weight of the machine

• The dynamic weight of the machine

• The hydraulic force of the machine

• The electric power of the machine

What is the primary function of sheepsfoot rollers?

• To smooth surfaces

• To provide greater compaction under each individual foot

• To remove dirt

• To add weight to the surface

Cleaner bars can be added to the back of the machine to remove ______ caught between the feet.

• dirt

• water

• oil

• grease