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Water technology - Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Water technology? On this page you'll find 59 study documents about Water technology.
Exam (elaborations)
D/O: Pumper- Chapter 5 Questions with Accurate Answers
correct answer Which apparatus are MOST likely to be used for ice rescue? A. Fireboat B. Wildland fire apparatus C. Aerial apparatus equipped with fire pumps D. Rescue apparatus equipped with fire pumps A characteristic of water as an extinguishing agent is that it: a. has a low surface tension that makes it easy to soak into dense materials b. initially has a low surface tension but after being applied has a high surface tension c. initially has a high surface tension but after b...
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IFSTA Essentials CH14 Water Supply Questions with Accurate Answers
PopularA check valve that prevents water from flowing back into a system and contaminating it. correct answer Backflow Preventer A mechanical device installed in a discharge line that senses the amount of water flowing and provides a readout in units of gallons per minute (GPM) correct answer Flowmeter A principal pipe in a system of pipes for conveying water, especially one installed underground correct answer Water Main Advantages of grid or loop water distribution systems correct answer 1) ...
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Chapter 14 - Water Supply Systems Questions with Accurate Answers
1. A dry hydrant provides access to a correct answer Static water source 10. When water is motionless, which kind of energy does it have? correct answer Potential 11. A pitot gauge is used to calculate correct answer Volume of flowing water 12. Fire hydrants should be inspected at least once every __________ months correct answer 12 13. How can you determine that a dry-barrel hydrant is still draining? correct answer Place a hand over an outlet and feel for suction 14. The NFPA re...
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Chapter 14: Water Supply System Questions with Accurate Answers
A generic term for any underground water pipe correct answer Water main A hydrant used in areas that are not susceptible to freezing. The barrel of the hydrant is normally filled with water. correct answer Wet barrel hydrant A large opening from the water tank of mobile water supply apparatus for unloading purpose (NFPA 1901) correct answer Dump valve A method of transporting water from a source to a fire scene using a number of mobile water supply apparatus correct answer Water shuttle...
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Exam (elaborations)
Hose/ Water Supply Questions with Accurate Answers
A drafting operation will require a minimum of ___ inches (mm) of water above and below the hard intake strainer. Select one: a. 36 (900) b. 24 (600) c. 12 (300) d. 6 (150) correct answer b. 24 All hydrants must be opened and closed ___ to prevent damage. Select one: a. quickly b. slowly c. at least twice d. partially correct answer b. slowly Drafting hydrants are designed to supply at least: Select one: a. 250 gpm (1 000 L/min). b. 500 gpm (2 000 L/min).
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Exam (elaborations)
Chapter 13 Water Shuttle Operations Questions with Accurate Answers
1) The decision in utilizing a relay pumping operation or a water shuttle operation is based on correct answer The distance to the water supply. The required fire flow. The type of equipment a particular jurisdiction uses. All the above. 2) Which of the following would be considered a primary type of apparatus required to operate an effective water shuttle operation correct answer A and C. 3) Fill site tenders should have a minimum pump capacity of correct answer 1,000 gpm. 4) Veh...
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Exam (elaborations)
Jones And Bartlett Chapter 14 Water Supply Questions With Accurate Answers
A dry hydrant provides access to a? correct answer static water source A large opening on a fire hydrant that is used to allow as much water as possible to flow directly in to the pump is a(n)? correct answer Steamer port A objective in motion possesses which kind of energy as a result of the motion? correct answer Kinetic A pitot gauge is used to calculate? correct answer Volume of flowing water A surge in pressure caused by suddenly stopping the flow of water is known as? correct a...
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Exam (elaborations)
Water Supply - Chapter 14 Questions with Accurate Answers
A drafting operation will require a minimum of ___ inches (mm) of water above and below the hard intake strainer. correct answer 24 (600) All hydrants must be opened and closed ___ to prevent damage. correct answer slowly Backflow Preventer correct answer A check valve that prevents water from flowing back into a system and contaminating it. Butterfly Valve correct answer Control valve that uses a flat circular plate in a pipe that rotates 90 degrees across the cross section of the pipe...
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Exam (elaborations)
Chapter 14 Water Supply System Questions with Accurate Answers
A large opening from the water tank of a mobile water supply apparatus for unloading purposes (NFPA 1901) correct answer Dump valve A method of TRANSPORTING WATER from a source to a fire scene using a number of mobile water supply apparatus correct answer Water shuttle operations A PRIVATELY owned water system that operates separately from the municipal water system correct answer Private water system A source of water for firefighting activities correct answer Water supply A system ...
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Exam (elaborations)
PADO Ch. 1 - Types of Apparatus Questions with Accurate Answers
What are (eight) characteristics of minipumpers? correct answer 1. Are smaller, quick-attack pumpers 2. Are designed to handle small fires that do not require the capacity or personnel needed for a larger pumper 3. Enable a fire department to initiate an attack more quickly on small fires or fires in remote locations than can be initiated using full-size pumpers 4. Many are equipped with four-wheel drive that allows them to be effectively driven over off-road terrain or in snow 5. Are most o...
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Chapter 3- J&B Driver/ Operator Questions with Accurate Answers
1. Specialized apparatus/equipment has been developed for particular situations. These types of fire apparatus are distinguished based on their _____________ and _____________ at the emergency scene. A. function; capabilities B. height; weight C. pump size; water tank D. equipment; manpower correct answer answer: A NFPA 1002: 4.1, 4.2.1(A) Page: 54 2. What is one of three things that a jurisdiction must convey to the manufacturer when purchasing a fire apparatus? A. National fire fight...
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Exam (elaborations)
Water Supply Questions With Accurate Answers
According to NFPA 291 a fire hydrant color of red will flow correct answer Less then 500 gpm According to the NFPA 291 standard a fire hydrant colored orange will blow correct answer C.500 to 999 GPM According to the NFPA 291 standard hydrants color green well flow correct answer B.1002 to 1499 GPM advantage of the foward lay is correct answer B. That's the supply line is dropped off at the fire location Almost any statics source of water can be use for drafting if it is correct a...
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Exam (elaborations)
Pumping Apparatus Driver Operator Chapter 13 Questions with Accurate Answers
A water shuttle operation must be integrated into the Incident Command structure, which should adhere to: Select one: a. Title 29 CFR 1910.120 regulations. b. the National Incident Management System (NIMS). c. the Environmental Protection Agency (EPA) standards. d. the Federal Emergency Management Agency (FEMA) standards. See page 454 correct answer b. the National Incident Management System (NIMS). After the onboard water tank is full, what is the next step in the fill operation? S...
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Exam (elaborations)
Pumping Apparatus Driver Operator Test 10 Questions With Accurate Answers
After 25 feet (7.5 m) of dependable lift, maximum suction capacity is so challenged, and the loss is so great, that the resulting expected capacity is: correct answer too low to be considered for drafting. After priming the pump, opening the discharge valve too quickly may draw air into the pump and: correct answer cause a loss of prime. After the pump has been drained and the connections removed, operate the positive displacement primer for several seconds until _____ comes out of the dis...
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Exam (elaborations)
Pumper Questions with Accurate Answers
"C" in the formula FL = C Q2 L represents the: correct answer Hose diameter coefficient. A fire apparatus may have steering problems if the steering wheel can be rotated (without moving the front tires) more than: correct answer 10 degrees A fire apparatus should be started with all electrical switches in the OFF position in order to: correct answer Start the engine without load. A hose has a flow rate of 100 gpm with a friction loss of 18 psi. If the flow rate increases to 400 gp...
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Exam (elaborations)
Firefighter 1002 - Pump A Questions with Accurate Answers
Fire apparatus's are most likely to be in an accident where? correct answer At a intersection Fire hydrant placement depends on what kind of personnel? correct answer Water department personnel How far must an apparatus maintain a clear zone of from rail road tracks? correct answer 30 feet Hydrants are located every how many intersections? correct answer Every other In simple terms what does friction loss do? correct answer It decreases water flow and reduces water pressure. In...
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Exam (elaborations)
Chapter 14 Water Supply Systems Questions with Accurate Answers
1. How much of the body is structural firefighting personal protective equipment (PPE) designed to cover? A) Full body coverage B) All but the neck C) All but the ears D) All but the wrists correct answer A) Full body coverage 1. Matter exists in _____ states. A) 3 B) 4 C) 5 D) 6 correct answer A) 3 1. Pressure in a water distribution system during average consumption is __________ pressure. A) residual B) mean C) normal operating D) static correct answer C) normal operating ...
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Exam (elaborations)
Chapter 3- J&B Driver/ Operator Questions with Accurate Answers
1. Specialized apparatus/equipment has been developed for particular situations. These types of fire apparatus are distinguished based on their _____________ and _____________ at the emergency scene. A. function; capabilities B. height; weight C. pump size; water tank D. equipment; manpower correct answer A. function; capabilities Page: 54 2. What is one of three things that a jurisdiction must convey to the manufacturer when purchasing a fire apparatus? A. National fire fighter standar...
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Exam (elaborations)
Chapter 14 Water Supply Systems Questions with Accurate Answers
A lake or stream is an example of a: A) municipal water system. B) static water source. C) dry hydrant. D) water shuttle. correct answer B) static water source. According to NFPA Standard 24, what is the minimum distance between the center of a fire hydrant hose outlet and the finished grade of the ground around the hydrant? A) Three feet B) Thirty inches C) Two feet D) Eighteen inches correct answer D) Eighteen inches After removing caps from a fire department connection, a fire f...
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Exam (elaborations)
Chapter 14 Water Supply Systems Questions with Accurate Answers
A lake or stream is an example of a: A) municipal water system. B) static water source. C) dry hydrant. D) water shuttle. correct answer B) static water source. According to NFPA Standard 24, what is the minimum distance between the center of a fire hydrant hose outlet and the finished grade of the ground around the hydrant? A) Three feet B) Thirty inches C) Two feet D) Eighteen inches correct answer D) Eighteen inches After removing caps from a fire department connection, a fire f...
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Exam (elaborations)
Chapter 12 Questions with Accurate Answers
Apparatus equipped with pressure governors should be set in: correct answer pressure mode when acting as the attack pumper and rpm mode while working as a relay pumper. As a relay pumper, it is advisable for driver/operators to maintain an intake pressure of: correct answer 20 to 30 psi Attack pumpers equipped with an adjustable intake relief valve should be set: correct answer between 50 and 75 psi (350 and 525 kPa) to establish a stable operating condition. Centrifugal pumps are rated...
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Exam (elaborations)
Ch 14 Water Supply Systems Questions With Accurate Answers
a jet siphon is used for which application correct answer transferring water between portable tanks according to NFPA what is the minimum distance between the center of a fire hydrant outlet and the finished grade of the ground around the hydrant correct answer 18" (45 cm) another term for head pressure is correct answer elevation pressure frictions loss is _______ proportional to the length of the hose correct answer directly in a well designed water distribution system which typ...
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