Hardness Study guides, Revision notes & Summaries

How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? - Answer- 7 feet On a gas fired boiler what is the proper gas to air mixture - 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? - Answer- TH=(Ca x 2.5) + (Mg x 4.1)nTH=(60 x 2.5) + (18...

GIA Diamond Essentials Final Exam with 100% correct Answers Value - ️️ The combination of the Four C's relates primarily to 0.200 gram - ️️ The metric carat equals Facets - ️️ The small, flat, polished surfaces on a finished diamond are called - ️️ Most diamonds used in jewelry are Carbon - ️️ Diamond is composed primarily of Fancy cuts - ️️ Gem shapes and cutting styles other than the standard round brilliant are called Blemishes - ️️ Clarity characteristics...

TCEQ class c water license exam questions and answers State Agency responsible for enforcing the safe drinking water act in Texas Texas Commission on environmental Quality What minerals can cause water hardness Calcium and magnesium Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:15 Full screen A public water system must at all times provide Adequate quantity of water, pressure, and disinfection A source grou...

GIA Diamonds and Diamond Grading Final Exam Questions and Correct Answers. Complete Verified Solution 2024. Substantial price discounts are available to retailers and jewelry manufacturers who can buy in large quantities. The diamond industry has changed dramatically in recent years because the world's supply of diamond rough has increased. A diamond grading system provides a consistent way to communicate diamond quality. Diamond's supreme hardness and durability are a result of the ...

Texas Class D Water Operator 2024 State License Test || All Questions & Answers (100% Correct) Texas Class D Water Operator 2024 State License Test || All Questions & Answers (100% Correct) What are some physical characteristics of water? - ANSWER - Temperature, turbidity, color, taste, odor What are some chemical characteristics of water? - ANSWER - Hardness, pH, solids, and gases What is turbidity? - ANSWER - the amount of suspended matter, such as clay, silt, organic matter, and mic...

GIA Diamond Essentials Exam With 100% Correct Answers 2024 chemical element - answerconsists of only one kind of atom mineral - answerinorganic. most minerals are a combo of 2 or more elements diamonds form - answerwithin 90-120 miles below earth's surface value factos - answerfeatures used to judge the quality and value of stones - a diamonds value is based on its combo of the Four C's inclusions - answerclarity characteristic totally enclosed in a polished gemstone or extending into ...

TCEQ class c water license exam questions and answers 100% pass 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,...

GIA Diamond Essentials Final Exam Questions & Answers 2023/2024 Value - ANSWER-The combination of the Four C's relates primarily to 0.200 gram - ANSWER-The metric carat equals Facets - ANSWER-The small, flat, polished surfaces on a finished diamond are called - ANSWER-Most diamonds used in jewelry are Carbon - ANSWER-Diamond is composed primarily of Fancy cuts - ANSWER-Gem shapes and cutting styles other than the standard round brilliant are called Blemishes - ANSWER-Clari...

12 Reasons why the health inspector will close your pool - ANSWER 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. flow rate is too low 12. no phone (landline) Measuring reco...

Chapter 01: Introduction to Dental Materials MULTIPLE CHOICE 1. Until 1970, which of the following groups of dental auxiliaries were allowed to perform intraoral functions in all states? 1. Dental hygienists 2. Registered dental assistants 3. Certified dental assistants 4. On-the-job trained dental assistants a. 1, 2, 3, 4 b. 1, 2, 3 c. 1, 2 d. 1 ANS: D Until 1970, only the dental hygienist was allowed to perform intraoral functions in all states. Although laws vary ...