Ash content - Study guides, Class notes & Summaries

API 571 Practice Exam #1 Questions And Correct Answers, 100% Verified At what oxygen content would many metals become flammable even at low pressures, whereas they are non-flammable in air? a) >10% b) >25% c) 20-40% d) >40% B 4.2.20.1 What area of a heater burning fuel oil with numerous impurities would first suffer damage from fuel ash corrosion. a) shock tubes b) radian tubes c) tube hangers and supports d) convection tubes C 4.4.6.4 c) Hydriding of titanium is a meta...

Summary NUTR 405 Complete A+ Study guide_ Fall 2022 Proximate Analysis Lecture 1. List the five proximate components, their importance to food analysts, and the various methods/apparatus that each can be determined. **just the methods/apparatus that we covered in lab-not the numerous other methods of analysis that are covered in the text book Proximate Analysis: quantitative analysis of any food to determine the percentage of its components o Determine moisture, ash, fat, protein and carbo...

REHS Exam Practice Test 2 With 100% Correct And Verified Answers What would you expect from a swimming pool with a high pH reading? a. cloudiness, scaling, and irritation to eyes b. cloudiness, corroding, and irritation to the eyes - Correct Answer-a. cloudiness, scaling, and irritation to eyes Which chemical will raise pH? a. Sodium Carbonate b. Calcium Carbonate c. Sodium Bicarbonate d. Sodium Bisulphate d. Ozone - Correct Answer-a. Sodium Carbonate - Soda Ash How would a s...

Certified Pool Operator Test Review Questions with Verified Answers 12 Reasons why the health inspector will close your pool 1. pump filter not working for more than an hour 2. main drain is not visible 3. chemical readings out of range 4. no pool operator (15 minute grace period) 5. no lifeguard or cpr certs present 6. water is below the skimmer line 7. danger to the public 8. chlorinator is not working 9. health inspector is not allowed in 10. bathrooms + drains not working 11. ...

1st Class Stationary Engineers Examination Questions And Answers 100% Solved Deaerator - answerA Device used to remove oxygen from boiler feedwater The term "quality of steam" has to do with steams - answerMoisture content A sleeve is used on the shaft of a centrifugal pump to - answerProtect the shaft The purpose of an adjusting ring on a safety value is to - answerRegulate the amount of steam exhausted The maximum wattage allowed on a 30 ampere fuse is (supply line is 115 volts) - ans...

Igniter - ANSWER-sends high-voltage electricity to electrodes System Thermostat - ANSWER-calls for heat to initiate the cycle Burner motor - ANSWER-provides combustion air for the furnace and turns the pump in the fuel oil Primary control unit - ANSWER-Operates majority of the devices in a oil furnace Distillation Quality - ANSWER-A oils ability to vaporize Viscosity - ANSWER-a liquid's resistance to flow Ash content - ANSWER-The amount of noncombustible containment's in fuel...

3rd Class Power Engineering - B1 - Part 2 Why boil out refractory? - ANS To remove any oil, grease, or other contaminating materials from the internal surfaces of the waterside of the boiler. Steps to boil out refractory? - ANS Add the following for each 45000L of boiler water content: - 18kg of trisodium phosphate - 2.25 kg of caustic soda - 2.25 kg of sodium silicate - 22.5 kg of soda ash Pumped as a solution with a chemical feed pump or through a steam drum manhole. Raise pre...

Stationary Engineer Exam Study Guide How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? - 7 feet On a gas fired boiler what is the proper gas to air mixture - 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? - TH=(Ca x 2.5) + (Mg x 4.1)...

API 571 Practice Exam #1 Questions And Correct Answers, 100% Verified At what oxygen content would many metals become flammable even at low pressures, whereas they are non-flammable in air? a) >10% b) >25% c) 20-40% d) >40% B 4.2.20.1 What area of a heater burning fuel oil with numerous impurities would first suffer damage from fuel ash corrosion. a) shock tubes b) radian tubes c) tube hangers and supports d) convection tubes C 4.4.6.4 c) Hydriding of titanium is a meta...

CHEMICAL ENGINEERING Exam Questions With Verified Answers. Softening - answerrefers to the processes which remove or reduce the hardness of the water Purification - answeris the term applied to the removal of organic and microorganisms from water Clarification - answerremoves suspended solids and particulate matter Ion Exchange - answerperformed in water softening aiming to reduce the calcium and magnesium content of the water Lime-Soda Processes - answerThis process involves the use of ...