What causes water hammer - Study guides, Class notes & Summaries
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Study Guide Professional Home Inspector TREC/NHIE Exam - Q & A (Complete Solutions)
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Study Guide Professional Home Inspector TREC/NHIE Exam - Q & A (Complete Solutions) Clay tile roof should have how much overlap? a. 6" b. 3" c. 10" d. 12 What is the heaviest roof material per sq. ft.? a. Slate/ concrete tile b. Asphalt c. Fiberglass d. Tar & gravel with ballast Wood shingle/shakes should be spaced how far apart? a. 3/8" b. 5/8" c. 1/2" d. 3/4" Flat roofs - what is the most common cause of leaking? a. Seams b. Ponding c. Parapet walls d. Gutters What does water ponding ...
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Minnesota Class D Water Exam Questions and Correct Answers
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According to the Safe Drinking Water Act the basic definition of a public water 
supply system is any water system that supplies water for human consumption that 
serves: 
Ans: 15 service connection or over 25 persons for over 60 days a year 
What federal law regulates public water supplies? 
Ans: Safe Drinking Water Act 
What cause water to move through pores in soil and rocks ? 
Ans: Gravity 
What are disease producing bacteria called? 
Ans: Pathogenic 
A presence/absence coliform test utili...
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Water Distribution Test 2 Questions & Answers!!
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What does a C value of 140 means for a pipe? - ANSWER The pipe interior is very smooth. 
 
Which primary contaminant causes Blue Baby Syndrome? - ANSWER Nitrate. 
 
What is a nutating disc? - ANSWER Type of a water meter for a small-diameter domestic service. 
 
What causes hardness in water? - ANSWER Magnesium and calcium. 
 
Which of the following is a confined aquifer with groundwater under positive pressure? - ANSWER Artesian. 
 
____________ is an imaginary surface to which groundwater rise...
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S12 SPRINKLER TEST, S13 STANDPIPE TEST, SPRINKLERS WITH ALL 400 QUESTIONS AND VERIFIED CORRECT ANSWERS NEWEST TOP VERSION WITH PROFESSIONALS EVALUATION|NEW AND ADVANCED
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S12 SPRINKLER TEST, S13 STANDPIPE TEST, 
SPRINKLERS WITH ALL 400 QUESTIONS 
AND VERIFIED CORRECT ANSWERS 
NEWEST TOP VERSION WITH 
PROFESSIONALS EVALUATION|NEW AND 
ADVANCED 
fire pump - ANSWER- a provider of liquid flow and pressure dedicated 
to fire protection. A fire pump is a part of a fire sprinklers system water 
supply and can be powered by electric, diesel or steam. connected to 
public water source or tank. provides higher pressure to sprinkler system 
Glass bulb sprinkler - ANSWER- op...
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Stationary Engineer Exam Questions and Answers Latest 2024-2025 (GRADED A+)
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Stationary Engineer Exam Questions and Answers Latest (GRADED A+) 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 1...
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High Pressure Boiler Question and answers correctly solved 2023/2024
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High Pressure Boiler Question and answers correctly solved 2023/2024 
The boiler vent location is: - correct answer Highest part of steam side of boiler 
 
What 2 elements in fuel oil produce most of its heat? - correct answer Carbon and Hydrogen 
 
A 100 psi boiler has dry saturated steam temperature of 638 degrees F. What is the water temperature? - correct answer 638 degrees F 
 
A 2 inch boiler tube has a wall thickness of 3/16 inch. What is its inside diameter? - correct answer 1 5/8 
 
Fai...
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Minnesota Class D Water Exam | 100% Correct Answers | Verified | Latest 2024 Version
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According to the Safe Drinking Water Act the basic definition of a public water supply system is any 
water system that supplies water for human consumption that serves: - 15 service connection or 
over 25 persons for over 60 days a year 
What federal law regulates public water supplies? - Safe Drinking Water Act 
What cause water to move through pores in soil and rocks ? - Gravity 
What are disease producing bacteria called? - Pathogenic 
A presence/absence coliform test utilizes - color change...
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Class C Water Operator License Exam Questions and Answers | Latest Updated 2024/2025 | 100% Correct | Graded A+
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Ammonia mixed with chlorine gas creates a white smoke 
The most difficult part of a water distribution operator's job. furnish a continuous supply 
Physical connection between a safe and potentially unsafe water source. cross connection 
A distribution system is a looped system 
Dead end mains should be flushed every month 
Excess nitrate causes a condition called blue baby syndrome 
Water hardness is caused by calcium and magnesium 
Sewer mains should be __ft away from water mains. 9 
Class C ...
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High Pressure Boiler question n answers 2023/2024
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High Pressure BoilerThe boiler vent location is: - correct answer Highest part of steam side of boiler 
 
What 2 elements in fuel oil produce most of its heat? - correct answer Carbon and Hydrogen 
 
A 100 psi boiler has dry saturated steam temperature of 638 degrees F. What is the water temperature? - correct answer 638 degrees F 
 
A 2 inch boiler tube has a wall thickness of 3/16 inch. What is its inside diameter? - correct answer 1 5/8 
 
Failure of what device causes a furnace explosion? - ...
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FDOT Earthwork Level 1 || Questions and 100% Verified Answers.
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Basics covered in Level 1 correct answers Nuclear Testing 
Speedy Moisture 
Report Forms 
 
Earthwork has to do with the roadway in what way? correct answers Earthwork is the excavation and placement of soils and materials supporting the proposed roadway. 
 
In Earthwork what is a lift? correct answers 6" of compacted depth at full width 
 
In Earthwork what is a Lot? correct answers A lot is 1 lift at 500 ft or within compacted area. Isolated compaction operations are separate lots. 
 
Samplin...
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