Excavators & Loaders
What are the two basic types of excavators?
Track Mounted and wheel mounted.
What is another name for a rigid-frame truck?
Haul truck or mining truck
What is a dozer equipped with?
A wide blade on the front to push material
What type of boom does a track-mounted crane have?
High-strength lattice boom
What excavator attachment is used for breaking concrete and boulders?
Hydraulic breaker
What is a backhoe loader equipped with?
Rear excavating arm and front loader bucket.
What is the main difference between rigid-frame and articulated-frame trucks?
Rigid has non-pivoting frame, articulated has pivot point for maneuverability
What does a scraper do?
Scrapes soil into a hopper to transport & dump
What are forklifts used for?
Moving palletized materials, pipe, etc.
What attachment is used to break up hard soil?
Ripper
What machine uses a bucket to scoop, transport and dump material?
Front end loader/wheel loader
Where is the cab located on an underground mining truck?
Forward of the front axle
What machine is long, narrow, with an adjustable blade?
Motor grader
What type of tires does a motor grader typically use?
Rubber tires
What attachment is used on a motor grader to break up soil ahead of the blade?
Scarifier
Chain with bits or wheel with cutting teeth.
Which truck is designed more for maneuverability than hauling capacity?
Articulated-frame truck
What are the two types of motor grader frames?
Rigid and articulated
What allows cranes to move heavy loads?
The boom can be raised, swung, and lowered
What types of equipment can rippers be used on?
Different pieces of mobile off road equipment
What is a knuckleboom loader equipped with?
Gooseneck boom & grapple claw
What do both rigid and articulated trucks have in common?
They haul heavy loads
What is the purpose of a compactor?
To compact soil, gravel, or asphalt
What do forklifts and knuckleboom loaders have in common?
They move loads/materials
What do hydraulic breakers, rippers, and scarifiers all have in common?
They prepare/break materials