Module 22201 Exam Introduction to Earthmoving

Excavated material is returned to an excavation site as _____.

• fore-fill

• sub-fill

• back-fill

• finish-fill

To enhance the strength of the soil and give it cement-like properties, fly ash is mixed with

• lime

• water

• portland cement

• chemical binders

The main purpose of compaction is to _____.

• trap water within the soil

• compress air pockets in the fill

• decrease the soil density

• reduce the risk of future settling

The preferred atmospheric condition for performing soil stabilization is _____.

• hot and dry

• mild with little or no rain

• cool or cold with gentle, continuous rain

• any that permits compaction operations

Soil stabilization is the process of preparing sub-base soils to provide a _____.

• softer soil base

• consistent color and texture

• higher loadbearing capacity

• pozzolan mixture in the soil base

During the excavation cycle, after dumping a load, the equipment is _____.

• trimming

• hauling

• loading

• backhauling

A traffic control supervisor on a construction project is responsible for _____.

• managing operating conditions at the loading and dumping sites

• directing traffic flow at the entrance of the job site

• designing the traffic signs to be used on the project

• evaluating the qualifications of equipment drivers

When loading from stockpiles and spoils, the primary piece of equipment used is the _____.

• crane shovel

• scraper

• dozer

• front-end loader

Spoil sites are dump sites for the following types of materials EXCEPT _____.

• surplus excavation materials

• fill for raising a grade to specification

• unsuitable fill materials

• materials stored for future use

Over-the-road hauling involves transporting material _____.

• with a scraper

• across the work site

• on a public highway

• any distance on the job