Cm 2113
Dozer is good for applications of less than 300ft short haul, and scraper is good for
applications of up to 3,000ft medium haul. - answer True
An advantage of a crawler dozer as compared with a wheel-type dozer is higher speed.
- answer False
Which of the following work tasks can be performed by a dozer? - answer Spreading,
Stripping, and Backfilling
The ________________ is very effective for side-casting material, particularly for
backfilling or making sidehill cuts. - answer Angle Blade
______________ is a technique whereby the blade end spillage from the first pass or
the sidewalls from previous cuts are used to hold the material in front of the dozer blade
on subsequent passes. - answerSlot Dozing
Which of the following factors need to be considered when selecting a proper scraper
for your project? - answerScraper Configuration, Volume of Material, and Job Size
Articulated trucks consist of two individual frames joined by pin, and can be easily
operated over soft ground. - answerTrue
Buckets of loaders are rated in both heaped and struck capacities.
_________________ is based on the SAE standard of a 2:1 material repose angle. -
answerHeaped Capacity
Which of the following is a job condition that could affect the operator's job efficiency? -
answerSurface and weather conditions
Fill factor is the ratio of the actual loose volume of material in the bucket compared to
the bucket's rated-heaped capacity. It varies based on the type of material being
handled and the type of excavator. - answerTrue
Which of the following is not a disadvantage of a crawler crane? - answerLimited
Capacity
Dozer is good for applications of less than 300ft short haul, and scraper is good for
applications of up to 3,000ft medium haul. - answer True
An advantage of a crawler dozer as compared with a wheel-type dozer is higher speed.
- answer False
Which of the following work tasks can be performed by a dozer? - answer Spreading,
Stripping, and Backfilling
The ________________ is very effective for side-casting material, particularly for
backfilling or making sidehill cuts. - answer Angle Blade
______________ is a technique whereby the blade end spillage from the first pass or
the sidewalls from previous cuts are used to hold the material in front of the dozer blade
on subsequent passes. - answerSlot Dozing
Which of the following factors need to be considered when selecting a proper scraper
for your project? - answerScraper Configuration, Volume of Material, and Job Size
Articulated trucks consist of two individual frames joined by pin, and can be easily
operated over soft ground. - answerTrue
Buckets of loaders are rated in both heaped and struck capacities.
_________________ is based on the SAE standard of a 2:1 material repose angle. -
answerHeaped Capacity
Which of the following is a job condition that could affect the operator's job efficiency? -
answerSurface and weather conditions
Fill factor is the ratio of the actual loose volume of material in the bucket compared to
the bucket's rated-heaped capacity. It varies based on the type of material being
handled and the type of excavator. - answerTrue
Which of the following is not a disadvantage of a crawler crane? - answerLimited
Capacity
