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 (a)   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