Excavator Operator Certification Exam Prep · Question
As per WorkSafeBC OHS Regulation 20.21, what specific hazard must be addressed when inspecting or repairing hydraulic hoses and components under pressure?
WorkSafeBC Regulation 20.21 (and similar OHS regulations) specifically highlights the severe risk of injection injuries from high-pressure hydraulic fluid escap
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Question: As per WorkSafeBC OHS Regulation 20.21, what specific hazard must be addressed when inspecting or repairing hydraulic hoses and components under pressure?
Answer options:
- Risk of electrocution from nearby electrical systems.
- Danger of explosive decompression if an air pocket is present. ✅ Hazard of injection injury from high-pressure fluid leaks.
- Potential for sudden equipment movement if hydraulic fluid is drained.
Correct answer: Hazard of injection injury from high-pressure fluid leaks.
Explanation: WorkSafeBC Regulation 20.21 (and similar OHS regulations) specifically highlights the severe risk of injection injuries from high-pressure hydraulic fluid escaping pinhole leaks, emphasizing the need to relieve pressure before working on hydraulic systems.
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Question explanations
- During a final inspection of an excavator, prior to beginning work, an operator notices significant play in th
- An excavator operator is preparing to dig a trench in cohesive soil. To achieve maximum breakout force, what a
- Which control typically governs the arm (or dipper arm) movement for an excavator?
- What condition might require sloping or shoring of a trench less than 1.2 meters (4 feet) deep?
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