4.1 - Factors Affecting Productivity
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Practice Questions
Test your understanding with targeted questions
Define cycle time in bulldozer operations.
💡 Hint: Consider all phases of bulldozer operation.
What is push time?
💡 Hint: Think about the bulldozer's primary task.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does cycle time include?
💡 Hint: Think about the full operation cycle.
True or False: Job efficiency only considers the ideal working conditions.
💡 Hint: Consider what affects real-world operations.
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Challenge Problems
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Calculate the overall estimated productivity in loose cubic meters per hour for a bulldozer with a blade load of 5m³, cycle time of 20 minutes, and job efficiency of 50%.
💡 Hint: Make sure to convert time to the same units before calculation.
If the initial estimated productivity for an ideal state is 90 cubic meters per hour, how would you adjust this for an operator with below-average skills and a challenging material type?
💡 Hint: Remember that adjustments strengthen the perception of real-world productivity over ideal conditions.
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