TCFP DRIVER OPERATOR QUESTIONS AND CORRECT

TCFP DRIVER OPERATOR QUESTIONS AND CORRECT

ANSWERS 100 VERIFIED GUARANTEED SUCCESS

UPDATE.

✅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. Answer: PARALLEL/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 . Answer: SERIES/PRESSURE MODE

✅5- Each intake valve that has a connection larger than 3 inches must be equipped with an

. Answer: AUTOMATIC INTAKE PRESSURE RELIEF DEVICE

✅5- One instrument NOT installed on the pump operator's panel is the . Answer: FLOW 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.. Answer: OPERATING

✅5- A front mount pump would most likely be getting is power from the . Answer:

CRANKSHAFT

✅6- Medium-diameter hose has a diameter of , and is used as either supply line or attach

line.. Answer: 2-1/2" or 3 INCHES

✅6- A single 5-inch supply line can deliver flows exceeding . Answer: 1500 GPM

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✅6- Which of the following would NOT be considered a fire hose appliance?. Answer:

SMOOTH-BORE NOZZLE

✅6- Closing a valve too quickly will cause . Answer: WATER HAMMER

✅6- Most smooth-bore nozzles are designed to operate at . Answer: 50 PSI

✅6- Which nozzle would operate with less air movement and thus less disturbance of the

thermal layering?. Answer: SOLID-STREAM

✅6- One benefit of using lower nozzle pressure is . Answer: THE NOZZLE IS EASIER TO

CONTROL

✅6- A hose jacket can be used to . Answer: TEMPORARILY STOP A LEAKING HOSE

✅6- If a soft sleeve hose uses Storz connections, before charging the line you should always

make sure . Answer: THE COUPLING IS LOCKED

✅6- Why are hose clamps often applied to supply lines before they are charged?. Answer:

DOING 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 . Answer: 80 psi

✅7- The formula NR=1.57 x d2 x np is used to calculate the nozzle reaction for which kind

of nozzle?. Answer: SMOOTH-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). Answer: 328 gpm

✅7- In the formula to calculate friction loss, the L is . Answer: THE LENGTH OF THE

HOSELINE DIVIDED BY 100 2 / 4

✅7- For all master stream appliances, you can estimate that the friction loss will be .

Answer: 25 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.. Answer: 20 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.. Answer:

25:10

✅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?. Answer: 165 psi

✅7- Net pump discharge pressure from a static source is referred to as . Answer: NPDP draft

✅7- The subtract 10 method can be used to determine friction loss in what size hose only?.

Answer: 2-1/2 inches

✅8- The first priority when performing an inspection is . Answer: Personal safety

✅8- The inspection should be performed . Answer: Exactly the same way every time

✅8- What piece of US currency can be an effective tool when inspecting an apparatus?.

Answer: Quarter

✅8- When checking oil levels, how long should you wait after shutting off the engine,

before doing a dip stick test?. Answer: 15 minutes

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✅8- New apparatus manufactured after 2010 may have an additional tank of diesel exhaust

fluid used to . Answer: Meet the new emission requirements

✅8- Exterior functional control switches are located . Answer: Inside the cab

✅8- Even if the water tank has a level gauge, a visual inspection of the water supply tank

should be conducted, because . Answer: You can verify the accuracy of the gauge

✅8- When inspecting the pump . Answer: you inspect against the flow, discharge to intake

✅8- Be sure not to operate the pump for more than a few minutes without circulating water back to the tank or the other discharge line because . Answer: Without the cooling provided by the circulating water, you can damage the pump

✅8- NFPA 1911, Standard for the Inspection, Maintenance, Testing and Retirement of In- Service Automotive Fire Apparatus, requires that aerial devices be tested . Answer: Annually

✅9- The first step in your 360-degree inspection before driving should be to . Answer: Open the fire apparatus bay door completely

✅9- The ignition switch . Answer: Delivers operational power to the chassis

✅9- The only time everyone on the apparatus does not have to be seated and belted is .

Answer: Never; whenever the apparatus moves, everyone should be securely seated

✅9- When setting up a serpentine maneuver exercise, the cones should be placed . Answer: At the same distance as the wheelbase of the apparatus being driven

✅9- When performing a confined-space turnaround exercise, the area in which to complete

the exercise is . Answer: 50ft x 100ft

✅9- The concept of "due regard" requires the driver/operator to . Answer: Drive safely, and not jeopardize the safety of other motorists or pedestrians

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