Water technology
Water technology
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Exam (elaborations)
68S PMT 108 Principles of Water V.2 Unit 1 with 77 complete solutions.
68S PMT 108 Principles of Water V.2 Unit 1 with 77 complete solutions. 68S PMT 108 Principles of Water V.2 Unit 1 with 77 complete solutions. 68S PMT 108 Principles of Water V.2 Unit 1 with 77 complete solutions. 68S PMT 108 Principles of Water V.2 Unit 1 with 77 complete solutions. 68S PMT 108 Principles of Water V.2 Unit 1 with 77 complete solutions. 68S PMT 108 Principles of Water V.2 Unit 1 with 77 complete solutions.
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Exam (elaborations)
Chapter 1 Test: Types of Apparatus Equipped with a Pump Questions with Accurate Answers
PopularAccording to NFPA 1901 , mobile water supply apparatus must be equipped with a tank capacity of at least: A. 500 gallons ( 2 000 L). B. 1,000 gallons (4 000 L). C. 2,000 gallons ( 8 000 L). D. 3,500 gallons ( 14 000 L). correct answer B. 1,000 gallons (4 000 L). According to NFPA 1901, fire department pumpers should have a water tank capacity of at least: A. 100 gallons ( 400 liters) B. 250 gallons ( 1 000 liters) C. 300 gallons (1 200 liters) D. 750 gallons (3 000 liters) corr...
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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)
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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Fire Apparatus Driver Operator Questions With Accurate Answers
.25 inches; 5/32 correct answer The master intake and discharge gauge numerals must be a minimum of ___ inches high. Numerals must be a minimum of __ inch high for all other discharge gauges. .5 psi correct answer Atmospheric pressure decreases approximately ___ psi every 1000 ft "dont just be a knob puller, know what you're doing" correct answer The fire service has an old saying "_____" that means you should not just memorize specific sequences of taks to operate the fire ...
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Exam (elaborations)
Hydraulics And Water Supply Questions With Accurate Answers
According to principle 1/Pascale law, in what direction(s) is (liquid) pressure created? correct answer equally in every direction According to the law of latent heat vaporization, what makes water an effective extinguishing agent? correct answer the ability of water to vaporize into steam at a low temp At what point can lower atmospheric pressure become a concern to firefighters? correct answer above 2000 ft, less dense atmosphere makes it harder for pumps to get lift when drafting Ch....
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Exam (elaborations)
Mws Cdc Questions With Accurate Answers
A hose diameter increases correct answer Friction loss decreases A hose has a flow rate of 500gpm with a friction loss of 4psi. If the flow rate increases to 1000gpm , then the friction loss will increase to: correct answer 16psi A priming device works by: correct answer Creating a partial vacuum According to NFPA 1901, a discharge pressure relief valve must operate within: correct answer 10 sec after discharge pressure rises 30psi above the set level All of the following are importa...
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Exam (elaborations)
Mws Questions With Accurate Answers
"Q" in the formula FL = C Qs L represents: correct answer Flow rate. A hose has a flat rate of 500 gallons per minute with a friction loss of four psi. If the flow rate increases to 1000 gallons per minute, then the friction loss will increase to: correct answer 16 PSI. A major advantage of a positive displacement pump over a centrifugal pump is that it can correct answer Pump air, making it self-priming. A major advantage of large diameter hose is their: correct answer Use a supp...
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Exam (elaborations)
CDC - Mobile Water Supply Questions with Accurate Answers
A column of water 1"x1"x12" high exerts how much psi? correct answer 0.434 psi A column of water 1"x1"x24" high exerts how much psi? correct answer 0.868 psi A hose has a flow rate of 500 gpm with a friction loss of 4 psi. If the flow rate increases to 1,000gpm, then the friction loss will increase to: correct answer FL= 2^2 x 4 FL= 4 x 4 FL= 16 psi According to what NFPA, how much water must an apparatus carry to be considered a MWS or Tender? correct answer NFPA 19...
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Exam (elaborations)
Driver Operator Mobile Water Supply Questions with Accurate Answers
A hose has a flow rate of 500 gpm with a friction loss of 4 psi, if the flow rate increases to 1000 gpm, then the friction loss will increase to?? correct answer 16 psi A major advantage of a positive displacement pump over a centrifugal pump is that it can? correct answer pump air, making it self priming A MWS apparatus should be started with all electrical switches in the OFF position in order to: correct answer Start engine without a load A single portable water tank works on fires t...
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Exam (elaborations)
Fire Apparatus Driver/Operator Questions with Accurate Answers
A fire pump must be able to deliver 10096 of its rated capacity at correct answer 150 (1034 kPa) A gated wye is equipped with _ correct answer Ball valve A mobile water supply apparatus dump valve is used in which type of dump site operation correct answer Portable tank A pipe with a strainer submerged in a static water source on one end and a connection for a hard suction hose on the other is a correct answer Dry hydrant A pitot gauge is used to measure _ correct answer Flow A ...
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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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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)
Fire Apparatus Driver/Operator - MWS Challenge Review Questions with Accurate Answers
"C" in the formula FL=C Q2 L represents the: correct answer Hose diameter coefficient A priming device works by: correct answer creating a partial vacuum According to NFPA 1901, a discharge pressure relief valve must operate within: correct answer 10 seconds after discharge pressure rises 30 psi above the set level All of the following are important reasons for maintaining inspection documentation on an MWS apparatus EXCEPT: correct answer A. Providing proof for warranty and claim...
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Exam (elaborations)
DOD MWS Cdc Questions With Accurate Answers
.434 psi correct answer You're presented with a column of water 3 ft by 3 ft with a height of 1 ft The water pressure of this column equals: 1. activate the appropriate turn signal 2. check for traffic while on the entrance ramp 3. check your side and rear view mirrors correct answer identify three things you would do when entering a limited access highway 1. an MWS apparatus equipped with fire pump must have a tank to pump line at least 2 in in diameter and capable of supplying the p...
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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)
Fire Apparatus Driver/Operator Questions with Accurate Answers
***Challenge Review #3*** Your department's old MWS apparatus had manually operated valves. It has just been replaced with an MWS apparatus that has remotely operated valves. Identify TWO advantages of having remotely operated valves as part of a gravity dump system correct answer A. Dumps faster than a jet-assisted dump system B. Allows better control of water flow than a jet-assisted dump system C. Increases safety by eliminating the need for someone to climb to the top of the 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)
Chapter 12, Water Supply Questions With Accurate Answers
4 components of water systems correct answer source of water supply, means of moving water, water treatment facility, water storage and distribution systems A ________ valve visually shows the position of the gate or valve seat - open, closed, or partially closed. correct answer indicating Business/industrial mains are ___ inches? correct answer 8 inch Butterfly Valve correct answer Type of control valve that uses a flat circular plate in the pipe which rotates ninety degrees across the...
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Exam (elaborations)
JB 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 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 Eighteen inches After removing caps from a fire department connection, a fire fighter shou...
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Exam (elaborations)
Mws Part Two Questions With Accurate Answers
A major advantage of large diameter hoses is their correct answer Used as supply lines A single portable water tank works on fires that require correct answer Relatively low overall flow rates (LESS THAN 300 GPM) A walk around (or circular) visual inspection of an MWS apparatus can be divided into eight areas: correct answer •the approach •left front side of the apparatus •left rear side of the apparatus •back of the apparatus •right rear of the apparatus •right front...
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Exam (elaborations)
Fire Apparatus Driver/Operator - MWS Module 4 Questions with Accurate Answers
Atmospheric Pressure correct answer Is the pressure that the atmosphere exerts on earth. At sea level, atmospheric pressure is 14.7 psi. Keep in mind that atmospheric pressure decreases as altitude increases. For example, at higher altitudes, pumps must work harder in the thinner atmosphere to lift effectively when drafting. Challenge Review #1 Identify TWO correct Statements about hydrants correct answer A. All hydrants in a distribution grid supply the same flow of water B. Grid...
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