Cee111-fa03-mt2-naza - (d The sand(or gravel etc in the aquifer acts as a filter(e Makes better use of the full depth of the bed for particle

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
CE 111: Environmental  Engineering Fall 2003 ANSWERS TO SAMPLE MT EXAM #2 1. NONREACTIVE TRACERS IN REACTOR SYSTEMS 2. SEDIMENTATION (a) η = 1 - Χ ιν (b) = ω σ Λ ΥΗ if v s UH / L η = 1 if v s > UH / L (c) C = εξπ - ÷ 3. CONCEPTS IN WATER QUALITY ENGINEERING (a) Process of reversing flow in sand filter to clean it. (b) Biochemical oxygen demand = organics (c) Long pipe and manifold for discharging wastewater underwater far from shore.
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: (d) The sand (or gravel, etc.) in the aquifer acts as a filter (e) Makes better use of the full depth of the bed for particle removal. (f) RO requires much less energy. t V/Q C* C 1(a) t V/Q + t* C 1(b) t* Cmax = Q C* t* / V t V/Q C* C 1(c) 0.32 C* 0.82 C*...
View Full Document

This note was uploaded on 12/01/2011 for the course CE 13972 taught by Professor Chow during the Spring '09 term at University of California, Berkeley.

Ask a homework question - tutors are online