Exam Review
Wastewater Technology Trainers > Exam Review
16
Feb
Grade III Review Questions 4
True or false: Hydrogen sulfide is a major component of digester gas. Over five days the DO concentration in the BOD blank can change by no more than how many […]
16
Feb
Grade III Review Questions 3
What are the lower and upper explosion limits of methane mixed with air? If CO2, carbon dioxide, is not flammable, not explosive, not toxic, how can it kill you? Two […]
16
Feb
Grade III Review Questions 2
Simply stated, what are the three steps in writing an essay? What is the conversion factor used by WWTT to get from gal to Mgal and Mgal to gal? What […]
12
Feb
Grade III Review Questions 1
ft.lb/min is a unit of power. What two units of power are far more commonly used in water and wastewater treatment plant operations? What three components are added together to […]