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Questions and Answers
True or false:The rolling resistance encountered by a vehicle varies only with the type of road surface it moves on.
True or false:The rolling resistance encountered by a vehicle varies only with the type of road surface it moves on.
False (A)
Soft earth offers a higher resistance than hard-surfaced roads such as ______.
Soft earth offers a higher resistance than hard-surfaced roads such as ______.
concrete pavement
What is the definition of rolling resistance?
What is the definition of rolling resistance?
- The amount of weight a vehicle can carry
- The amount of fuel consumed by a vehicle
- The amount of tractive pull required to move each gross ton over a level surface (correct)
- The amount of time it takes for a vehicle to complete a task
What factors affect rolling resistance for vehicles with rubber tires?
What factors affect rolling resistance for vehicles with rubber tires?
What are the three factors that affect rolling resistance for vehicles with rubber tires?
What are the three factors that affect rolling resistance for vehicles with rubber tires?
What type of road surface offers a higher resistance for vehicles moving on it?
What type of road surface offers a higher resistance for vehicles moving on it?
How does rolling resistance vary for rubber tire vehicles?
How does rolling resistance vary for rubber tire vehicles?
True or false: The rolling resistance for crawler equipment varies with the type of road surface and the condition of the road surface.
True or false: The rolling resistance for crawler equipment varies with the type of road surface and the condition of the road surface.
How does the rolling resistance vary for crawler equipment?
How does the rolling resistance vary for crawler equipment?
Rolling resistance is expressed in kilograms of tractive pull required to move each gross ton over a level surface of the specified ______ or condition.
Rolling resistance is expressed in kilograms of tractive pull required to move each gross ton over a level surface of the specified ______ or condition.
For crawler equipment the rolling resistance varies with the type of ______ surface.
For crawler equipment the rolling resistance varies with the type of ______ surface.
How is rolling resistance expressed?
How is rolling resistance expressed?
True or false: Rolling resistance for vehicles with rubber tires varies with the size of the tire, the pressure of the tire, and the color of the tire.
True or false: Rolling resistance for vehicles with rubber tires varies with the size of the tire, the pressure of the tire, and the color of the tire.
How is rolling resistance expressed and calculated?
How is rolling resistance expressed and calculated?
What is the effect of grade changes on tractive effort?
What is the effect of grade changes on tractive effort?
What is the importance of understanding the effects of equipment and methods on cost of handling earth?
What is the importance of understanding the effects of equipment and methods on cost of handling earth?
What is the formula provided in the text for determining tractive effort on a slope?
What is the formula provided in the text for determining tractive effort on a slope?
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