CM 2113 Final exam questions with answers

CM 2113 Final exam questions with
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answers


Dozer is good for applications of less than 300ft short
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haul, and scraper is good for applications of up to 3,000ft
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medium haul. - CORRECT ANSWERS ✔✔True |\ |\ |\ |\ |\




An advantage of a crawler dozer as compared with a
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wheel-type dozer is higher speed. - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\ |\



✔✔False


Which of the following work tasks can be performed by a
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dozer? - CORRECT ANSWERS ✔✔-Spreading
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-Striping
-Backfilling


The ________________ is very effective for side-casting
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material, particularly for backfilling or making sidehill
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cuts. - CORRECT ANSWERS ✔✔Angle Blade
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______________ is a technique whereby the blade end |\ |\ |\ |\ |\ |\ |\ |\



spillage from the first pass or the sidewalls from previous
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cuts are used to hold the material in front of the dozer
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,blade on subsequent passes. - CORRECT ANSWERS
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✔✔Slot dozing |\




Which of the following factors need to be considered
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when selecting a proper scraper for your project? -
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CORRECT ANSWERS ✔✔-Scraper configuration |\ |\ |\




-Volume of material |\ |\




-Job size |\




Articulated trucks consist of two individual frames joined |\ |\ |\ |\ |\ |\ |\ |\



by pin, and can be easily operated over soft ground. -
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CORRECT ANSWERS ✔✔True |\ |\




Buckets of loaders are rated in both heaped and struck
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capacities. _________________ is based on the SAE standard |\ |\ |\ |\ |\ |\ |\



of a 2:1 material repose angle. - CORRECT ANSWERS
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✔✔Heaped capacity |\




Which of the following is a job condition that could affect
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the operator's job efficiency? - CORRECT ANSWERS
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✔✔Surface and weather conditions |\ |\ |\




Fill factor is the ratio of the actual loose volume of
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material in the bucket compared to the bucket's rated-
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heaped capacity. It varies based on the type of material
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, being handled and the type of excavator. - CORRECT
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ANSWERS ✔✔True |\




Which of the following is not a disadvantage of a crawler
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crane? - CORRECT ANSWERS ✔✔Limited capacity
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Straight blades - CORRECT ANSWERS ✔✔Shh hi pet and
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medium distance passes, such as backfilling, grading, and
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spreading full material
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Universal blades - CORRECT ANSWERS ✔✔Working |\ |\ |\ |\ |\ |\



stockpiles and drifting loose or no cohesive materials
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Semi-U blade - CORRECT ANSWERS ✔✔Combination of
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the S and U blade designs
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Cushion blades - CORRECT ANSWERS ✔✔Mounted on
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large dozers that are used primarily for push-loading
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scrapers. limited utility in pushing material and should
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not be used for production dozing. Cannot be tilted,
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pitched or angled. |\ |\




Side-to-side - CORRECT ANSWERS ✔✔Blade-to-blade |\ |\ |\ |\ |\



dozing. Two machines maneuver so that their blades are
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