1.1. Cutting Edge

Try these first

1. 1.

   Define cutting edge in the context of bulldozer blades.

   Hint

   Think about what part of the bulldozer is responsible for cutting dirt.

2. 2.

   What type of blade can be angled to cast material to the side?

   Hint

   Remember which blade allows for adjustments left and right.

3. 3.

   What is the purpose of the cutting edge on a bulldozer blade?

   • To provide grip
   • To cut soil
   • To push dirt

   Hint

   Think about the main function of the blade's bottom part.

4. 4.

   True or False: A U blade has a higher cutting ratio than a straight blade.

   • True
   • False

   Hint

   Consider how size and shape affect cutting efficiency.

5. 5.

   Evaluate a situation where you must select between a straight blade, U blade, and angle blade for an excavation project on varied terrain. Justify your choice for each terrain type encountered.

   Hint

   Categorize the terrains as hard vs. soft and match them to the blade capabilities.

6. 6.

   How would the productivity differ when employing slot dozing versus standard dozing techniques in a given earthmoving project? Provide specific examples.

   Hint

   Think about the implications of cutting over different passes.