- Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about ? On this page you'll find 59 study documents about .
Exam (elaborations)
Chapter 14- Water Supply Questions with Accurate Answers
[6] (1/2 mark each part) Name: •the four (4) "Classes" of hydrants and include their •"Colour-coding" and •"Flows in L/min"? correct answer Class Colour Flow (l/Min) 1. Class "AA" Light Blue over 5680 L/min 2. Class "A" Green L/min 3. Class "B" Orange L/min 4. Class "C" Red less than 1900 L/min 26. Label 4 main parts of a dry Barrel Hydrant. correct answer see link for diagram: A drafting operation will require a minimum of ___ inc...
starwid
Exam (elaborations)
CDC - MWS Water Shuttle Ops Questions with Accurate Answers
5 factors that impact MWS performance: correct answer loading times unloading times vehicle condition tank size drive-train capabilities A single portable water tank works on fires that require: correct answer Relatively low overall flow rates (less than 300 gpm) As an example, what is 10% of a 5,000 gallon tank? correct answer 4,500 Gallons TFR= 5,000 - 10%/Trip Time TFR= 4,500/Trip Time Determine the flow rate for a 2,500 gallon MWS shuttling water three miles in each direction....
starwid
Exam (elaborations)
Mws Questions With Accurate Answers
"C" in the formula FL = C Q^2 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 methods of water discharge used at a dumpsite except correct answer Draining All of the following are potential water sources for an apparat...
starwid
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...
starwid
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...
starwid
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...
starwid
Exam (elaborations)
Driver Operator 2025 Questions With Accurate Answers
a flow meter should be accurate to a tolerance of plus or minus what percent correct answer 3% according to nfpa 1901 fire department pumpers should have a water tank capacity of at least correct answer 300 gallons after drafting site has been selected what is a step in connection to the pump correct answer couple strainer and required Links of hose and make them airtight any significant deviation from normal oil pressure reading is most likely to indicate what correct answer an equipme...
starwid
Exam (elaborations)
Ch. 14: Water Supply Questions with Accurate Answers
A jet siphon is used for which application a. Expediting discharge from a mobile water supply apparatus b. Transferring water between portable tanks c. Priming a dry pump d. Exhausting air from hard suction correct answer b. Transferring water between portable tanks According to the NFPA, what is the minimum distance between the center of a fire hydrant outlet and the finished grade of the ground around the hydrant a. 24" b. 12" c. 18" d. 30" correct answer c. 18" An...
starwid
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...
starwid
Exam (elaborations)
Mws Ccre Questions With Accurate Answers
"C" in the formula FL = C Q^2 L represents the: correct answer Hose diameter coefficient. A priming device works by: correct answer Creating a partial vacuum. All of the following are methods of water discharge used at the dump site EXCEPT: correct answer Draining. All of the following are potential water sources for an apparatus fire pump EXCEPT: correct answer A municipal storm drain. All of the following are types of portable water tanks EXCEPT: correct answer Locking tanks....
starwid
Exam (elaborations)
MWS Challenge Review Questions with Accurate Answers
"C" in the formula FL=Qˆ2 represents the correct answer Hose diameter coefficient A priming device works by correct answer Creating a partial vacuum According to the 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 Verifying that you are inspecting the corre...
starwid
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...
starwid
Exam (elaborations)
ALAT Questions with Accurate Answers
_________ is NOT a common method of euthanasia for gerbils. correct answer Intercardiac injection of KCl ______________ is an outbred stock of mice. correct answer Swiss ________________ and ________________ are two common opioid analgesics. correct answer Morphine; buprenorphine ___________________ is an example of applied research. correct answer Using cows for developing a new vaccine for chicken pox 4 routes of administration correct answer Enteral, parenteral, inhalation, topica...
starwid
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...
starwid
Exam (elaborations)
Total Force Mws Questions With Accurate Answers
"C" in the formula FL=C Q^2 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 documents on a MWS apparatus EXCEPT: correct answer Verifying that you are inspection the corr...
starwid
Exam (elaborations)
Mobile Water Supply Test Questions with Accurate Answers
All tires should be the same size and weight ratings according to appropriate manufacturers specifications. correct answer Apparatus maintenance and inspection records are important documents that may serve several functions. IN A WARRANTY CLAIM these records may be needed to document that recquired maintenance was performed. correct answer Apparatus with air brakes are to be equipped with an air pressure protection valve that prevents air horns or other nonessential devices from being o...
starwid
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...
starwid
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 ...
starwid
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...
starwid
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....
starwid