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Ohio Bulldozer Operator Exam Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2025|2026 Q&A | Instant Download Pdf
- What is the primary purpose of the blade on a bulldozer?
- Cooling the engine
- Reducing fuel use
- Pushing and moving material
- Holding hydraulic fluid
Rationale: The blade is designed to push, cut, and move materials
such as soil, sand, or debris.
- What is a common risk when operating a bulldozer on a slope?
- Increased blade sharpness
- Fuel overflow
- Machine rollover
- Engine overheating 1 / 3
Rationale: Bulldozers can become unstable and tip when operating
on steep slopes.
3. The ROPS on a bulldozer is designed to:
- Improve blade cutting power
- Increase fuel pressure
- Protect operator in case of rollover
- Lubricate hydraulic parts
Rationale: ROPS stands for Roll-Over Protective Structure.
4. Before starting the bulldozer, the operator should first:
- Rev the engine quickly
- Lower the blade to the ground
- Perform a walk-around inspection
- Drain the hydraulic system
Rationale: Safety requires checking the machine for leaks or damage
before use.
5. Track tension that is too loose can cause:
- Increased horsepower
- Tracks to slip off
- Engine failure
- Overheating
Rationale: Proper track tension prevents derailment of the tracks
during operation. 2 / 3
- What is the most stable position for the blade when traveling?
- Fully raised
- Low but off the ground
- Fully lowered
- Tilted fully left
Rationale: Keeping the blade low increases machine stability and
visibility.
7. When pushing soil, it is most efficient to:
- Travel at maximum speed
- Push with partial blade load
- Tilt the bulldozer sideways
- Raise the blade continuously
Rationale: A moderate blade load offers optimum efficiency and
control.
- What should you do if the bulldozer starts sliding sideways on a slope?
- Turn uphill
- Turn downhill
- Lower the blade and stop movement
- Speed forward
Rationale: Lowering the blade increases stability and reduces sliding.
9. The best way to prevent dust inhalation while operating is:
- Drive faster
- Open windows
- / 3
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