Hardness in water - Study guides, Class notes & Summaries

NRNP 6550 Final Exam Questions and Answers Latest Updated 2023/2024 (100% Graded). Urine culture with UTI Correct answer- 100.000 colonies in asymptomatic: bacteruria 10 - 10.000 colonies in symptomatic patients but also pyuria pyuria: more than 10 leukocytes elevated erythrocytes with pyelonephritis WBC in urine false positive with tumor, urethritis and poor collection technique Repeat in pregnant women Lower urinary tract UTI and upper urinary tract UTI Correct answer- bladder and uret...

How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? - correct answer 7 feet On a gas fired boiler what is the proper gas to air mixture - correct answer 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hardness of 12 ppm? - correct answer TH=(Ca x 2.5) + (Mg x 4.1)...

What is the most common type of hardness in water? - Answer Calcium and magnesium What is formed when calcium and magnesium carbonates are combined with carbon dioxide? - Answer Calcium and magnesium bicarbonates called carbonate hardness

State Agency responsince for enforcing the safe drinking water act in Texas Texas Commission on environmental Quality What minerals can cause water hardness Calcium and magnesium A public water system must at all times provide Adequate quantity of water, pressure, and disinfection A source groundwater would be aquifer Fecal coliform organisms sometimes found in water supplies are an indication that Water supply is contaminated, harmful bacteria may be present, possible pathogenic organi...

It's in the middle of the summer & you're having a breakdown in the coagulation process in your up-flow clarifier due to algae, this problem occurs only in the late afternoon with periods of good operation before and after. What changes should you make during the problem periods to improve the finish water quality? - AnswerReduce the sludge blanket depth The inorganic compounds (ie. Iron) are effectively removed from your raw water using aeration. Test indicate an increasing taste and odor ...

ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS ALREADY PASSED In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... Remain the Same because stiffness and density affect Propagation Speed. What is the audible range? 20-20,000Hz >20,000Hz=Ultrasound Frequency is measured in Hertz (Hz) is Cycles per Second Not affected by sonographer Increase Frequency; Decrease Depth A period is the length of time it takes for one complete wavelength to pass a fixed poin...

ABSA: 4th Class Part B - Comprehensive Exam 1 Questions with Complete Solutions 2024/2025 Temporary hardness in feedwater is caused by: Select one: a. Magnesium sulphate b. Calcium carbonate c. Magnesium bicarbonate d. Sodium nitrate - Correct Answer c What is the recommended boiler water pH for wet layup? Select one: a. 10 b. 12 c. 7.5 d. 7 - Correct Answer a A photoelectric flame scanner: Select one: a. Produces a steady voltage signal b. Requires a clear line of sigh...

Which disinfectant would work best against cryptosporidium ozone dichloramine hypochlorite ion hypochlorous ion ozone The pH of a water sample is greater than the pHs, so the Langelier index? indicates the water is corrosive is negative indicates the water is scale forming indicates the water is stable indicates the water is scale forming When water high in calcium bicarbonate is softened by ion exchange all cations and anions are removed regeneration is usually accomplished by an ...

Stationary Engineer Exam Questions And Answers How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? - ANS 7 feet On a gas fired boiler what is the proper gas to air mixture - ANS 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hardness of 12 ppm? - ANS ...

Which of the following is most likely to represent the number of gallons of water required for a brewery to produce a gallon of beer? 25 35 15 5 correct answers 15 p.3 Select EACH of the following filters that is typically used to filter water entering the plant from a municipal water supply for use in mashing and sparging: Cartridge filter Carbon filter Water softener Plate and frame filter correct answers Cartridge filter and Carbon filter p.5, and 8 ...