Podcast
Questions and Answers
What is the process known as when harmful disease-producing bacteria in water are killed to make it safe for drinking?
What is the process known as when harmful disease-producing bacteria in water are killed to make it safe for drinking?
- Disinfection (correct)
- Boiling
- Sterilization
- Filtration
Which law describes the reduction in microorganisms when exposed to a disinfectant over time?
Which law describes the reduction in microorganisms when exposed to a disinfectant over time?
- Boyle's Law
- Einstein's Law
- Chick's Law (correct)
- Newton's Law
What does excess lime treatment do to water in terms of its pH value?
What does excess lime treatment do to water in terms of its pH value?
- No effect on pH
- Raises the pH (correct)
- Fluctuates the pH
- Lowers the pH
Why is boiling water not considered a practical method for disinfection?
Why is boiling water not considered a practical method for disinfection?
Which method of disinfection involves the breaking down of ozone into normal oxygen and nascent oxygen?
Which method of disinfection involves the breaking down of ozone into normal oxygen and nascent oxygen?
What does a first-order reaction mean in disinfection kinetics?
What does a first-order reaction mean in disinfection kinetics?
What is the total available head at the treatment plant?
What is the total available head at the treatment plant?
Which of the following is NOT considered a basic principle when preparing the hydraulic profile through the plant?
Which of the following is NOT considered a basic principle when preparing the hydraulic profile through the plant?
What does the head loss through the treatment plant consist of?
What does the head loss through the treatment plant consist of?
Which of the following is included in the head losses through the treatment unit?
Which of the following is included in the head losses through the treatment unit?
What does the total loss through the connecting pipings, channels, and appurtenances consist of?
What does the total loss through the connecting pipings, channels, and appurtenances consist of?
Why might pumping be needed in a treatment plant?
Why might pumping be needed in a treatment plant?
What is the germicidal action of chlorine explained by according to the Enzymatic hypothesis?
What is the germicidal action of chlorine explained by according to the Enzymatic hypothesis?
How is chlorine usually added to the water supply?
How is chlorine usually added to the water supply?
What does the dissociation of hypochlorous acid (HOCl) form?
What does the dissociation of hypochlorous acid (HOCl) form?
What are the free chlorine compounds that compose the free chlorine residual?
What are the free chlorine compounds that compose the free chlorine residual?
What is formed when excess free chlorine is added beyond the 1:1 initial molar ratio in the breakpoint reaction?
What is formed when excess free chlorine is added beyond the 1:1 initial molar ratio in the breakpoint reaction?
What are chloramines mainly composed of in drinking water systems?
What are chloramines mainly composed of in drinking water systems?
What is the relationship between chloramine species and chlorine dose illustrated by?
What is the relationship between chloramine species and chlorine dose illustrated by?
What contributes to an increase in chlorine demand as explained in the text?
What contributes to an increase in chlorine demand as explained in the text?
What does the treatment plant layout refer to?
What does the treatment plant layout refer to?
Which principle is important to consider for site development according to the text?
Which principle is important to consider for site development according to the text?
What is the main purpose of a water distribution system?
What is the main purpose of a water distribution system?
Which of the following is NOT a requirement of a good distribution system?
Which of the following is NOT a requirement of a good distribution system?
Where are distribution pipes typically laid for water distribution networks?
Where are distribution pipes typically laid for water distribution networks?
Which of the following is a key layout requirement for a distribution system to minimize leakage?
Which of the following is a key layout requirement for a distribution system to minimize leakage?
What guides the layout of distribution pipes in a distribution network?
What guides the layout of distribution pipes in a distribution network?
Why should all distribution pipes preferably be laid away from or above sewer lines?
Why should all distribution pipes preferably be laid away from or above sewer lines?
What method is used to calculate the head losses and corrected flows in a distribution network as described in the text?
What method is used to calculate the head losses and corrected flows in a distribution network as described in the text?
In the Hardy Cross method, what is assumed to be constant for different formulas mentioned in the text?
In the Hardy Cross method, what is assumed to be constant for different formulas mentioned in the text?
How are the corrected flows in the pipes adjusted in the Hardy Cross method as described in the text?
How are the corrected flows in the pipes adjusted in the Hardy Cross method as described in the text?
In the context of the text, what is the purpose of analyzing closed loops ABCD and CDEF using Hardy Cross method?
In the context of the text, what is the purpose of analyzing closed loops ABCD and CDEF using Hardy Cross method?
What is the role of the law of continuity in the process of assuming flows in each pipe according to the text?
What is the role of the law of continuity in the process of assuming flows in each pipe according to the text?
What parameter is used to compute the head losses in the pipes within the closed loop system as explained in the text?
What parameter is used to compute the head losses in the pipes within the closed loop system as explained in the text?
What is the main function of distribution reservoirs?
What is the main function of distribution reservoirs?
Where should distribution reservoirs ideally be located?
Where should distribution reservoirs ideally be located?
What is the purpose of balancing storage in a distribution reservoir?
What is the purpose of balancing storage in a distribution reservoir?
Which principle must be satisfied in any pipe network according to the text?
Which principle must be satisfied in any pipe network according to the text?
What is the main purpose of the Hardy-Cross method in pipe network analysis?
What is the main purpose of the Hardy-Cross method in pipe network analysis?
How is the correction 'd' computed in the Hardy-Cross method for pipe network analysis?
How is the correction 'd' computed in the Hardy-Cross method for pipe network analysis?
What does 'SK.Q^x = - SKx.Q^(x-1)d' represent in the Hardy-Cross method equation?
What does 'SK.Q^x = - SKx.Q^(x-1)d' represent in the Hardy-Cross method equation?
