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TCFP Driver Operator Masterclass Exam Study Guide: Questions and Answers, Exams of Mechanical Engineering

Texas State Technical College-West TexasMechanical Engineering

This study guide provides a collection of multiple-choice questions and answers related to the tcfp driver operator masterclass. It covers topics such as atmospheric pressure, vacuum measurement, fire pump operations, drafting operations, and water supply systems. The guide is designed to help students prepare for exams and gain a deeper understanding of the concepts covered in the masterclass.

Typology: Exams

2024/2025

Available from 04/14/2025

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TCFP Driver Operator Masterclass.
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1. What is the atmospheric pressure at sea level?
A. 3.1417 psi (22 kPa)
B. 7.69 psi (53 kPa)
C. 14.7 psi (101 kPa)
D. 21.3 psi (147 kPa) - ansanswer: C
NFPA 1002: 10.2.1, 10.2.1(A)
Page: 324
2. What liquid is used to measure vacuum due to its density?
A. 2-propanol
B. Glycerol
C. Water
D. Mercury - ansanswer: D
NFPA 1002: 10.2.1, 10.2.1(A)
Page: 324
3. A fire pumper in good condition should be able to develop a vacuum equal to about:
A. 17 inches (391.4 mm Hg).
B. 22 inches (507.8 mm Hg).
C. 27 inches (623.2 mm Hg).
D. 30 inches (692.4 mm Hg). - ansanswer: B
NFPA 1002: 10.2.1, 10.2.1(A)
Page: 324
4. What term refers to the height that a column of water can be lifted in a quantity considered
sufficient to provide reliable fire flow?
A. Positive lift
B. Atmospheric lift
C. Dependable lift
D. Acceptable lift - ansanswer: C
NFPA 1002: 10.2.1, 10.2.1(A)
Page: 325
5. Which term refers to the process of removing air from a fire pump and replacing it with
water?
A. Intake
B. Rotary
C. Venturi
D. Priming - ansanswer: D
NFPA 1002: 10.2.1, 10.2.1(A)
Page: 325
6. What is the best way to assess the operational readiness of the priming system?
A. Perform a vacuum test
B. Perform a pump test
C. Perform a sprinkler test
D. Perform a hydrant test - ansanswer: A
NFPA 1002: 10.2.1, 10.2.1(A)
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Download TCFP Driver Operator Masterclass Exam Study Guide: Questions and Answers and more Exams Mechanical Engineering in PDF only on Docsity!

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  1. What is the atmospheric pressure at sea level? A. 3.1417 psi (22 kPa) B. 7.69 psi (53 kPa) C. 14.7 psi (101 kPa) D. 21.3 psi (147 kPa) - ansanswer: C NFPA 1002: 10.2.1, 10.2.1(A) Page: 324
  2. What liquid is used to measure vacuum due to its density? A. 2-propanol B. Glycerol C. Water D. Mercury - ansanswer: D NFPA 1002: 10.2.1, 10.2.1(A) Page: 324
  3. A fire pumper in good condition should be able to develop a vacuum equal to about: A. 17 inches (391.4 mm Hg). B. 22 inches (507.8 mm Hg). C. 27 inches (623.2 mm Hg). D. 30 inches (692.4 mm Hg). - ansanswer: B NFPA 1002: 10.2.1, 10.2.1(A) Page: 324
  4. What term refers to the height that a column of water can be lifted in a quantity considered sufficient to provide reliable fire flow? A. Positive lift B. Atmospheric lift C. Dependable lift D. Acceptable lift - ansanswer: C NFPA 1002: 10.2.1, 10.2.1(A) Page: 325
  5. Which term refers to the process of removing air from a fire pump and replacing it with water? A. Intake B. Rotary C. Venturi D. Priming - ansanswer: D NFPA 1002: 10.2.1, 10.2.1(A) Page: 325
  6. What is the best way to assess the operational readiness of the priming system? A. Perform a vacuum test B. Perform a pump test C. Perform a sprinkler test D. Perform a hydrant test - ansanswer: A NFPA 1002: 10.2.1, 10.2.1(A)

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Page: 328

  1. When a reliable public or private water system is not available, drafting operations, relay pumping, water shuttles, and nurse tender operations will become the responsibility of the: A. tanker officer. B. pumping officer. C. water supply officer. D. drafting officer. - ansanswer: C NFPA 1002: 10.2.1, 10.2.1(A) Page: 330
  2. What does the "C" stand for in the formula Q=L × W × D × C? A. Coefficient B. Calculation C. Constant D. Coefficient calculation - ansanswer: C NFPA 1002: 10.2.1, 10.2.1(A) Page: 331
  3. Using the formula Q =W × D × V × C, calculate the amount of water available in a stream that is 10 ft (3.05 m) wide and 2 ft (0.61 m) deep. The water is traveling at 15 ft/min (4.57 m/min). A. 2250 gpm (8520 L/min) B. 2350 gpm (8896 L/min) C. 2450 gpm (9275 L/min) D. 2650 gpm (10,031 L/min) - ansanswer: A NFPA 1002: 10.2.1, 10.2.1(A) Page: 331
  4. Using the formula Q L × W × D × C, calculate the amount of water available in a pond that is 100 ft (30.48 m) long, 80 ft (24.38 m) wide, and 4 ft (1.22 m) deep. A. 24,000 gallons (90,850 L) B. 240,000 gallons (908,500 L) C. 2,400,000 gallons (9,085,000 L) D. 240,240 gallons (909,400 L) - ansanswer: B NFPA 1002: 10.2.1, 10.2.1(A) Page: XX
  5. What term refers to the vertical distance from the water level to the center of the fire pumper? A. Suction B. Lift C. Draft D. Suspension - ansanswer: B NFPA 1002: 10.2.1, 10.2.1(A) Page: 333
  6. The first step in establishing a drafting operation is to: A. place the pump in gear.

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Page: 336

  1. What term refers to a small-diameter hose that remains in the open position and continues flowing water during the entire drafting operation? A. Flow line B. Attack line C. Dump line D. Hard suction line - ansanswer: C NFPA 1002: 10.2.1, 10.2.1(A), 10.2.2, 10.2.2(A) Page: 340
  2. If drafting with a two-staged pump, it is recommended that the pump be in the ___________ stage before beginning any drafting operations. A. pressure B. series C. drafting D. volume - ansanswer: D NFPA 1002: 10.2.1, 10.2.1(A), 10.2.2, 10.2.2(A) Page: 340
  3. When providing water to the operation for the purpose of master streams from a static water source, the transfer valve in a two-stage pump should be in the__________ position. A. pressure B. volume C. straight D. on - ansanswer: B NFPA 1002: 10.2.1, 10.2.1(A), 10.2.2, 10.2.2(A) Page: 341
  4. What step should a driver/operator take if during a drafting operation there is a drop in intake pressure while pumping? A. Close the intake valve. B. Move the changeover valve to volume mode. C. Check the strainer for debris. D. Increase pump discharge pressure. - ansanswer: C NFPA 1002: 10.2.1, 10.2.1(A), 10.2.2, 10.2.2(A) Page: 345
  5. What term describes a condition that occurs when the driver/operator attempts to flow water faster than it is being supplied to the pump? A. Relay pumping B. Overpressure C. Relief pumping D. Cavitation - ansanswer: D NFPA 1002: 10.2.1, 10.2.1(A), 10.2.2, 10.2.2(A) Page: 345
  6. The location where tankers can get their water tanks filled is the: A. water shuttle.

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B. fill site. C. dump site. D. water site. - ansanswer: B NFPA 1002: 10.2.3, 10.2.3(A), 10.2.3(B) Page: 347

  1. ________ create a static water source for the firefighting operation. A. Water shuttles B. Fill sites C. Dump sites D. Water sites - ansanswer: C NFPA 1002: 10.2.3, 10.2.3(A), 10.2.3(B) Page: 347
  2. When using the inch (65-mm) outlets on a hydrant at a fill site, first: A. open the hydrant fully. B. open the steamer connection on the hydrant. C. place a control valve on the 2½-inch (65-mm) outlets. D. place a 2½-inch (65-mm) nozzle on one of the outlets. - ansanswer: C NFPA 1002: 10.2.1, 10.2.1(A), 10.2.2, 10.2.2(A) Page: 347
  3. In a relay pumping operation, what term describes the pumper that is located at a water source? A. Water supply pumper B. Attack pumper C. Source pumper D. Tanker/tender - ansanswer: C NFPA 1002: 10.2.1, 10.2.1(A), 10.2.2, 10.2.2(A) Page: 334
  4. A 300 0 - gallon (12,000-L) tanker/tender should carry a portable tank with a capacity of at least: A. 1500 gallons (6000 L). B. 2500 gallons (10,000 L). C. 3000 gallons (12,000 L). D. 9000 gallons (36,000 L). - ansanswer: C NFPA 1002: 10.2.3, 10.2.3(A), 10.2.3(B) Page: 350
  5. A _______________ is used for moving water from one dump tank to another. A. PVC bridge B. dump fill C. water shuffle D. jet siphon - ansanswer: D NFPA 1002: 10.2.3, 10.2.3(A), 10.2.3(B) Page: 353

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A. no water B. no air C. reserved air D. reserved water - ansanswer: B NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 293

  1. __________ evolutions are standard methods of working with fire hose to accomplish different objectives in a variety of situations. A. Maintenance B. Normal C. Specialized D. Fire hose - ansanswer: D NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 293
  2. What is the term for laying supply lines from the hydrant to the fire scene? A. Reverse lay B. Forward lay C. Upward lay D. Split hose lay - ansanswer: B NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 295
  3. What is the term for laying supply lines from the fire scene to the hydrant to establish a water source? A. Reverse lay B. Forward lay C. Upward lay D. Split hose lay - ansanswer: A NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 295
  4. A 500-ft (150-m) lay of 5-inch (125-mm) hose can supply: A. 700 gpm (2800 L/min). B. 800 gpm (3200 L/min). C. 900 gpm (3600 L/min). D. 1000 gpm (4000 L/min). - ansanswer: A NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 295
  5. What is the correct term for laying supply lines in two different directions to establish a water source? A. Reverse lay B. Forward lay C. Upward lay D. Split hose lay - ansanswer: D NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A)

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Page: 297

  1. Which type of standpipe system depends upon the fire department to provide all of the water? A. Dry B. Wet C. Nonpressure D. Pressure - ansanswer: A NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 300
  2. Which type of standpipe system has a built-in water supply? A. Dry B. Wet C. Nonpressure D. Pressure - ansanswer: B NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 300
  3. What determines the pressure requirements for pumping to a standpipe system? A. Square footage of the building B. Number of sprinkler heads activated C. Height at which the water will be used in the building D. Diameter of the standpipe system piping - ansanswer: C NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 300
  4. As a guideline, sprinkler systems should be pumped at a pressure of _____ unless other specific information is available. A. 50 psi (350 kPa) B. 100 psi (700 kPa) C. 150 psi (1050 kPa) D. 200 psi (1400 kPa) - ansanswer: C NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 302
  5. What size and type of connections are found on a fire department connection? A. Two 3-inch (76-mm) male connections B. Two 3-inch (76-mm) female connections C. Two 2½-inch (65-mm) male connections D. Two 2½-inch (65-mm) female connections - ansanswer: D NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 302
  6. During pumping operations, if the driver/operator discovers that the engine temperature is increasing, then he or she should: A. shut down the pumping operation. B. shut down all unnecessary loads on the engine. C. wet the engine down with water.

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  1. Which of the following components of an automatic load management system deactivates unnecessary electrical loads in order of necessity to prevent damage to the system? A. Load shedding B. Load alternator C. Load sequencer D. Load monitor - ansanswer: A NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 310
  2. Which of the following appliances converts 12-volt direct current from a vehicle's electrical system to 110-volt alternating current power? A. Alternator B. Inverter C. Sequencer D. Regulator - ansanswer: B NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 310
  3. Which of the following generators can produce 25 kilowatts or more of power? A. Portable generator B. Inverter generator C. Transmission-driven generator D. Apparatus-mounted generator - ansanswer: C NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 311
  4. Which of the following lighting systems can be operated above most obstacles to provide the desired on-scene lighting? A. Lanterns B. Portable lights C. Apparatus-mounted lights D. Tower lights - ansanswer: D NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 314
  5. Which of the following devices attaches to an electrical cord to allow multiple power- operated tools to be supplied by that single electrical cord? A. Junction box B. Power inverter C. Load sharer D. Power divider - ansanswer: A NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 315
  6. What is the most common fluid used in hydraulic rescue tools? A. Mineral-based hydraulic oil B. Automatic transmission fluid C. Ethylene glycol

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D. Phosphate ester - ansanswer: A NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 316

  1. Which of the following types of hydraulic tools has at least one moveable arm that opens to move material? A. Extension rams B. Spreaders C. Cutters D. Combination tools - ansanswer: B NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 317
  2. Which of the following types of hydraulic tools has at least one moveable blade used to cut, shear, or sever material? A. Extension rams B. Spreaders C. Cutters D. Combination tools - ansanswer: C NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 317
  3. Which of the following types of hydraulic tools is capable of at least spreading and cutting material? A. Extension rams B. Spreaders C. Cutters D. Combination tools - ansanswer: D NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 317
  4. Which of the following types of hydraulic tools generates extending and retracting forces to move material? A. Extension rams B. Spreaders C. Cutters D. Combination tools - ansanswer: A NFPA 1002: 4.3.7, 4.3.7(A), 5.2.4(1), 5.2.4(2), 5.2.4(3), 5.2.4(4), 5.2.4(A) Page: 317
  5. What is the term that best defines the process of sending out emergency response resources promptly to an incident location for a specific purpose? A. Communications B. Dispatch C. MDT D. Paging - ansanswer: B NFPA 1002: N/A Page: 255

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C. Straddling two middle lanes D. Whichever lane doesn't contain vehicles - ansanswer: A NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 261

  1. The distance that it takes for a driver/operator to recognize a hazard, process the need to stop the apparatus, apply the brakes, and then come to a complete stop is known as the _____________ distance. A. braking B. reaction C. response D. total stopping - ansanswer: D NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 262
  2. The distance that a fire apparatus travels from the time that the brakes are activated until the apparatus makes a complete stop is known as the _________________ distance. A. braking B. reaction C. response D. total stopping - ansanswer: A NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 262
  3. What best defines liquid surge? A. When the fire apparatus strikes water on the roadway B. When the fire apparatus is "empty" or not carrying any tank water C. The movement of water inside the container D. The movement of water through hose lines - ansanswer: C NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 262
  4. Brake ______ occurs when the brake drums become hot and expand away from the brake shoes, causing the brakes to heat up until they become less effective. A. fade B. failure C. malfunction D. weakness - ansanswer: A NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 263
  5. Which of the following statements best relates to the understanding of centrifugal force? A. Objects are pulled inward when rotating around a center. B. Objects remain in a circular direction. C. Objects are pulled both inward and outward when rotating around a center. D. Objects are pulled outward when rotating around a center. - ansanswer: D NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 264

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  1. The maximum speed that a fire apparatus can safely travel around a curve is known as the _______ speed. A. critical B. decisive C. maximum D. overage - ansanswer: A NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 264
  2. During an emergency response, which traffic situation presents the greatest potential danger to the fire apparatus? A. Intersections B. Bridges C. Tunnels D. Straight sections of roadway - ansanswer: A NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 265
  3. A(n) __________________ is a shutter valve that activates just behind the turbo charger to create braking horsepower. A. compression brake B. transmission retarder C. exhaust brake D. electromagnetic retarder - ansanswer: C NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 265
  4. Whenever the driver/operator is faced with approaching an unguarded railroad crossing, he or she should: A. operate all audible warning devices. B. slow down to ensure the train can see the fire apparatus. C. come to a complete stop. D. turn off all headlights, if at night, and look for the train's spotlights. - ansanswer: C NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 266
  5. Upon arriving on the scene of a possible structure fire, the driver/operator should attempt to view at least _______ side(s) of the structure. A. one B. two C. three D. four - ansanswer: C NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 268
  6. When arriving on the scene of a working fire, the driver/operator should: A. park as close to the fire as possible. B. always position the apparatus on side "A" of the structure.

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  1. What fire apparatus are considered the "bread-and-butter" apparatus of the fire service? A. Engine and ladder companies B. EMS and truck companies C. Tender and tanker companies D. Rescue and engine companies - ansanswer: A NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 272
  2. What is the first priority for every fire apparatus responding to an emergency scene? A. Exposures B. Rescue potential C. Confinement of fire D. Extinguishment of fire - ansanswer: B NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 272
  3. A collapse zone is a distance of ______________ times the height of the building in which fire fighters and fire apparatus must not be located in case of a building collapse. A. 1 B. 1½ C. 2 D. 3 - ansanswer: B NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 230
  4. NFPA 1901 requires that wheel chocks be able to hold a fire apparatus on a _____ percent grade with the transmission in neutral and the parking brake released. A. 5 B. 10 C. 15 D. 20 - ansanswer: D NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 273
  5. Most aerial devices are designed to be operated in winds up to: A. 40 mi/h (64 km/h). B. 50 mi/h (80 km/h. C. 60 mi/h (97 km/h). D. 70 mi/h (113 km/h). - ansanswer: B NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 274
  6. All aerial devices should remain a minimum of ____________ from all overhead wires. A. 5 ft (1.5 m) B. 7 ft (2 m) C. 10 ft (3 m) D. 15 ft (4.5 m) - ansanswer: C NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A)

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Page: 274

  1. What term refers to a document developed by gathering general and detailed data used by responding personnel to determine the resources and actions necessary to mitigate anticipated emergencies at a specific facility or location? A. Postincident survey B. Emergency scene size-up C. Preincident plan D. Building plan - ansanswer: C NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 275
  2. When arriving on the scene of an incident that requires the driver/operator to position the fire apparatus on or near an intersection or highway, the driver/operator should: A. not allow personnel to exit the cab until the driver is satisfied with the position of the fire apparatus. B. always back the unit off the roadway. C. allow personnel to work on the side of the roadway without a traffic safety vest. D. keep headlights on bright to ensure other drivers see the apparatus. - ansanswer: A NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 276
  3. The safety vest that offers the highest level of visibility in accordance with the American National Standards Institute is a Class ______ safety vest. A. 1 B. 2 C. 3 D. 4 - ansanswer: C NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 279
  4. According to the Manual on Uniform Traffic Control Devices for Streets and Highways, which classification of traffic incidents is expected to result in closing of the highway for more than 2 hours? A. Advanced traffic incidents B. Minor traffic incidents C. Intermediate traffic incidents D. Major traffic incidents - ansanswer: D NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 278
  5. When approaching a motor vehicle accident, the driver/operator should: A. access the scene however possible. B. always approach the scene in the far left lane of travel. C. weave in and out of traffic if necessary. D. require vehicles blocking the roadway to move. - ansanswer: B NFPA 1002: 4.3.1, 4.3.1(A), 4.3.6, 4.3.6(A) Page: 280

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3 - Before a new apparatus is put into service, what must be completed? - ansTRAINING ON THE APPARATUS 4 - Approximately what percentage of the earth's surface is covered by water? - ans70-75% 4 - The amount of heat energy required to increase the temperature of a substance is known as it specific heat index. Water's specific heat index is: - ans 4 - When water is moving, it has a combination of potential energy and ________ energy. - ansKINETIC 4 - Principle 4 of fluid pressure that states, "The pressure of a liquid in an open vessel is proportional to the _____ of the vessel. - ansDEPTH 4 - One advantage of a wet-barrel hydrant is: - ansYOU CAN ADD HOSELINES WITHOUT SHUTTING OFF THE HYDRANT 4 - A fire hydrant that has a flow of 500-999 gpm at 20 psi would be considered what class of hydrant? - ansCLASS B 4 - The first part of a hydrant inspection is to: - ansCHECK THE EXTERIOR OF THE HYDRANT FOR SIGNS OF DAMAGE 4 - Flow testing should be done: - ansAT PEAK WATER FLOW TIMES 4 - Static water supplies are most commonly used in: - ansRURAL AREAS 4 - An alternative means of obtaining water in areas that are inaccessible to fire apparatus would be: - ansA PORTABLE PUMP 5 - All fire pumps are rated from a: - ansDRAFT 5 - According to NFPA standards, at 100 psi net pump pressure, a fire pump must deliver at least: - ans3000 GPM 5 - What type of pump is typically used as the priming pump for a centrifugal pump? - ansROTARY PUMP 5 - The centrifugal pump must be primed because: - ansIT CANNOT MOVE AIR 5 - When more than 50 percent of the two-stage pump centrifugal pump's rated capacity is needed on the fireground, the pump should be operated in: - ansPARALLEL/VOLUME MODE 5 - In most pumping operations, you will supply one or two handlines with a total flow of 300 - 400 gpm of water. A 1000-gal two-stage pump can easily supply this amount while operating in: - ansSERIES/PRESSURE MODE 5 - Each intake valve that has a connection larger than 3 inches must be equipped with an: - ansAUTOMATIC INTAKE PRESSURE RELIEF DEVICE 5 - One instrument NOT installed on the pump operator's panel is the: - ansFLOW METER 5 - Engines operate at different oil pressures, so the operator must be familiar with the normal _____ range for the oil pressure in each apparatus they operate. - ansOPERATING 5 - A front mount pump would most likely be getting is power from the: - ansCRANKSHAFT 6 - Medium-diameter hose has a diameter of __________, and is used as either supply line or attach line. - ans2-1/2" or 3 INCHES 6 - A single 5-inch supply line can deliver flows exceeding: - ans1500 GPM 6 - Which of the following would NOT be considered a fire hose appliance? - ansSMOOTH- BORE NOZZLE 6 - Closing a valve too quickly will cause: - ansWATER HAMMER

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6 - Most smooth-bore nozzles are designed to operate at: - ans50 PSI 6 - Which nozzle would operate with less air movement and thus less disturbance of the thermal layering? - ansSOLID-STREAM 6 - One benefit of using lower nozzle pressure is: - ansTHE NOZZLE IS EASIER TO CONTROL 6 - A hose jacket can be used to: - ansTEMPORARILY STOP A LEAKING HOSE 6 - If a soft sleeve hose uses Storz connections, before charging the line you should always make sure: - ansTHE COUPLING IS LOCKED 6 - Why are hose clamps often applied to supply lines before they are charged? - ansDOING SO ALLOWS THE LINE TO BE CHARGED BEFORE IT IS CONNECTED TO THE ATTACK PUMPER 7 - Smooth-bore nozzles on prepiped elevated master streams are commonly rated at a nozzle pressure of: - ans80 psi 7 - The formula NR=1.57 x d2 x np is used to calculate the nozzle reaction for which kind of nozzle? - ansSMOOTH-BORE NOZZLES 7 - Calculate the flow rate for a 1-1/4" tip used on a 2-1/2"handline (the constant is 29.7 and the nozzle pressure is 50) - ans328 gpm 7 - In the formula to calculate friction loss, the L is: - ansTHE LENGTH OF THE HOSELINE DIVIDED BY 100 7 - For all master stream appliances, you can estimate that the friction loss will be: - ans25 psi 7 - Calculate the elevation pressure change if you're supplying water to a high-rise building (with 10 ft ceilings) with a fire on the fifth floor. - ans20 psi 7 - In the percentage method, you calculate the total flow through one line. The FL in two hoselines will be ___ percent of the total flow through one hoseline, and the FL in three hoselines will be approximately ____ percent of the total flow through one hoseline. - ans25: 7 - Since you can generate just one pressure into a standpipe, what would you send if you used two attack lines, one that needed 165 psi and one that needed 135 psi? - ans165 psi 7 - Net pump discharge pressure from a static source is referred to as: - ansNPDP draft 7 - The subtract 10 method can be used to determine friction loss in what size hose only? - ans2-1/2 inches 8 - The first priority when performing an inspection is: - ansPersonal safety 8 - The inspection should be performed: - ansExactly the same way every time 8 - What piece of US currency can be an effective tool when inspecting an apparatus? - ansQuarter 8 - When checking oil levels, how long should you wait after shutting off the engine, before doing a dip stick test? - ans15 minutes 8 - New apparatus manufactured after 2010 may have an additional tank of diesel exhaust fluid used to: - ansMeet the new emission requirements 8 - Exterior functional control switches are located: - ansInside the cab 8 - Even if the water tank has a level gauge, a visual inspection of the water supply tank should be conducted, because: - ansYou can verify the accuracy of the gauge 8 - When inspecting the pump: - ansyou inspect against the flow, discharge to intake