PE Exam Practice Problem #98: Water Resources/Environmental | NOAEL, DWEL, Ref Dose, Intake Rates
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PE Exam Practice Problem #98: Water Resources/Environmental | NOAEL, DWEL, Ref Dose, Intake Rates
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PE Exam Practice Problem #120 Water Resources/Environmental | Reference Dose - Drinking Water Limit
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PE Exam Practice Problem #115 Environmental | Ideal Gas Law - Air Emissions - ppm to lb/hr
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PE Exam Practice Problem #115 Environmental | Ideal Gas Law - Air Emissions - ppm to lb/hr
191 views3 months ago
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PE Exam Practice Problem #114 (replaces #16): Water Resources/Environmental | Chemical Mass Balance
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PE Exam Practice Problem #114 (replaces #16): Water Resources/Environmental | Chemical Mass Balance
555 views3 months ago
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PE Exam Practice Problem #97: Water Resources/Environmental | Chlorine Dose, Demand, and Free
3:20
PE Exam Practice Problem #97: Water Resources/Environmental | Chlorine Dose, Demand, and Free
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PE Exam Practice Problem #95: Water Resources/Environmental | Ion Exchange/Softening/Target Hardness
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PE Exam Practice Problem #95: Water Resources/Environmental | Ion Exchange/Softening/Target Hardness
1.4K views10 months ago
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PE Exam Practice Problem #112: Environmental | Air Pollution Control- Weighted Collection Efficiency
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PE Exam Practice Problem #112: Environmental | Air Pollution Control- Weighted Collection Efficiency
215 views4 months ago
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PE Exam Practice Problem #118 Environmental | Soil Contamination - First-Order Decay
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PE Exam Practice Problem #110: Environmental |Power Plant Emission Rate: NOx as Hard as It Looks
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PE Exam Practice Problem #91: Water Resources/Environmental | Roadway Pollutant Runoff Concentration
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PE Exam Practice Problem #116 Environmental | Exposure - Cancer Risk from Water and Fish Ingestion
149 views3 months ago
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PE Exam Practice Problem #117 Water Resources/Environmental | Confined Aquifer -Thiem Eq (Find R2)
89 views2 months ago
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PE Exam Practice Problem #94: Water Resources/Environmental | Tank Height vs Pressure/Friction Loss
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PE Exam Practice Problem #85: Water Resources/Environmental | Wastewater BOD5 Removal Efficiency
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PE Exam Practice Problem #86: Water Resources/Environmental | Sewer Design Velocity - Partial Flows
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PE Exam Practice Problem #101: Environmental | HDPE Pipe Design for Landfill Leachate Flow/Velocity
849 views8 months ago
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PE Exam Practice Problem #103: Environmental | Hazardous Constituent Destruction/Removal Efficiency
348 views7 months ago
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PE Exam Practice Problem #87: Environmental | Dissolved Oxygen Concentration - Streeter Phelps Eq
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PE Exam Practice Problem #100: Environmental | Incinerator Energy Balance with Missing Fractions
383 views8 months ago
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PE Exam Practice Problem #96: Environmental | Hardy Cross/Hazen Williams/Pipe Network/Corrected Flow
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PE Exam Practice Problem #92: Environmental | Water Sample Cation-Anion Balance (Milliequivalents)
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PE Exam Practice Problem #113: Environmental | Partial Pressures - Ideal Gas Law - Condensation
263 views4 months ago
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8:32
PE Exam Practice Problem #109: Environmental – HCl Formation from Chlorinated POHC Incineration
261 views5 months ago
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PE Exam Practice Problem #107: Environmental | Combustion Efficiency (7% Oâ‚‚ Normalization)
358 views6 months ago
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12:27
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PE Exam Practice Problem #83: Water Resources/Environmental | Hardness - Softening - Excess Lime
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PE Exam Practice Problem #82: Water Resources/Environmental | Triangular Channel - Critical Depth
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PE Exam Practice Problem #88: Environmental | Sludge Sample - Percent Solids and Volatile Solids
957 viewsMay 6, 2025
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Civil PE Water Resources – Calculate the Oxygen Deficit in a Stream
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PE Exam Practice Problem #102: Environmental | Landfill Leachate Breakthrough Time - Clay Liner
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