CWEA Grade 4 Test Questions With Correct Answers

AA - Answer atomic absorption AC - Answer power alternating current ac - Answer acre AF - Answer acre-foot (feet) AFY - Answer acre-foot per year AMSA - Answer Association of Metropolitan Sewerage Agencies ANSI - Answer American National Standards Institute APHA - Answer American Public Health Association AS - Answer activated sludge ASCE - Answer American Society of Civil Engineers ASME - Answer American Society of Mechanical Engineers ASTM - Answer American Society for Testing and Materials AWT - Answer advanced wastewater treatment AWWA - Answer American Water Works Association BECP - Answer Business Emergency and Contingency Plan BNR - Answer biological nutrient removal BOD5 - Answer biochemical oxygen demand after 5 days BTU - Answer British thermal unit C - Answer Celsius Cal-OSHA - Answer California Occupational Safety and Health Act Cal-EPA - Answer California Environmental Protection Administration CBOD - Answer carbonaceous biochemical oxygen demand CCE - Answer carbon chloroform extract CCR - Answer California Code of Regulations cf - Answer cubic feet (foot) CFR - Answer Code of Federal Regulations cfs - Answer cubic feet per second CH4 - Answer Methane CIU Categorical Industrial User CIU - Answer Categorical Industrial User CM - Answer common mode CMOM - Answer Capacity Management, Operations, and Maintenance COD - Answer chemical oxygen demand CPU - Answer central processing unit CRWA - Answer California Rural Water Association CT - Answer current transformer CWA - Answer Clean Water Act CWEA - Answer California Water Environment Association DAF dissolved air flotation DAF - Answer dissolved air flotation DO - Answer dissolved oxygen DOHS - Answer California Department of Health Services DV/DT ( V/ T) - Answer The change in voltage per change in time. DWF - Answer dry weather flow DWR - Answer Department of Water Resources EIS - Answer Environmental Impact Statement EMF - Answer electromotive force or voltage EPA - Answer U.S. Environmental Protection Agency