PUMPING APPARATUS DRIVER/OPERATOR PRACTICE EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS | ALREADY GRADED A+RECENT VERSION

PUMPING APPARATUS DRIVER/OPERATOR PRACTICE EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS | ALREADY GRADED A+RECENT VERSION 1) Fire apparatus are classified according to - answer primary function for which they are designed 2) main purpose of the fire department pumper- answer provide adequate water pressure for effective fire streams 3) nfpa 1901 - standard for automotive fire apparatus requires minimum pump capacity of _______ and minimum _____ gal capacity tank - answer 750 gpm 300 gal. 4) pump capacity larger than 750 gpm increase in increments of _____ gpm and most common is _____ gpm or less. - answer increments of 250 Most common is 2,000 5) apparatus must be equipped with - answer intake and discharge pump connections Pump controls and gauges Variety of hose types and sizes 6) rescue pumpers are designed - answer with more compartment spaces, standard company equipment, medial, rescue and extraction equipment 7) class a - answer ordinary combustible 8) class b - answer flammable and combustible material/liquids 9) both municipal and industrial foam pumpers may be equipped with - answer around the pumper, direct injection, balanced pressure foam proportioning system. 10) what is the common range of municipal fire pumpers foam proportioning systems? What are the designed to be filled from? - answer 20 to 100 gallons 5 gallon containers 11) elevating water devices typically range in height from __ to __ feet? - answer 50-75 feet 12) factors on the capacity of mobile water supply apparatus - answer terrain Bridge and weight limits Monetary constrains Interoperability 13) When is residual pressure shown on the intake gauge of a pumper that is connected to a hydrant - answer when a pumper is discharging water 14) one indication that a pump is cavitating is that - answer the pump itself may make noises described as sounding like gravel passing through the pump 15) what should be done if priming has not been achieved within the acceptable time period for a particular situation - answer priming attempt should be stopped and the problem traced 16) an inability to prime is most likely caused by - answer insufficient fluid in the priming reservoir 17) where is a driver operator most likely to find suggested discharge pressures for a sprinkler system - answer printed on a plate at the fdc 18) when initiating standpipe operations, why should fire tech crew bring a tech lines when house hose is install installed? - answer house hose not been manufactured or tested to the same standard as fire department hose 19) which standpipe system must be charged with water from a source such as the fire department pumper - answer dry pipe systems 20) explain the difference between a forward lay and a reverse lay - answer a forward lay involves laying the hose from the fire hydrant to the fire location and a reverse lay involves laying the hose from the fire scene to the water source. 21) during drafting operations, what are the three primary factors that determine friction laws in the intake hose? - answer depends on diameter and length of hose strainer and adapters in use 22) during drafting operations, what are the main considerations when selecting a drafting site? - answer · amount of water available · type or quality of water · accessibility of water 23) According to nfpa 1901, fire department pumpers should have a water tank capacity of at least: A. 100 gal B. 250 gal C. 300 gal D. 750 gal - answer c. 300 gal P14 24) according to nfpa 1901, mobile water supply apparatus must be equipped with a tank capacity of at least: A. 500 gal B. 1000 gal C. 2000 gal D. 3500 gal - answer b. 1000 gal 25) which equipment is most likely to be used when a small amount of power is needed near the vehicle A. Inverter B. Mini-generator C. Portable generator D. Vehicle-mounted generator - answer a. Inverter 26) which is the most likely reason that a fire department would use heavy duty electrical cords? A. Cords can be left outside for extended periods B. Cords allow greater compatibility with other agencies C. Cords provide greater abrasion protection on the fireground D. Cords can supply power to several connections from one supply source - answer c. Cords provide greater abrasion protection on the fireground 27) which equipment allows rescuers to plug their equipment into standard electrical outlets? A. Adapters B. Junction boxes C. Mult-use cords D. Twist-lock receptacles - answer a. Adapters 28) what should driver/operators look for when approaching a vehicle to be inspected? A. Whether or not the doors are locked B. Terrain on which the vehicle is parked C. Levels on all gauges on the apparatus D. Damage to interior of the apparatus cab - answer b. Terrain on which the vehicle is parked 29) according to nfpa 1911, tires must be replaced every: A. Three years B. Five years C. Seven years D. Ten years - answer c. Seven years 30) engines produced after january 1, 2010 may be equipped with an exhaust after-treatment system called selective catalyst reductant (scr) that: A. Uses the latest technology to reduce emissions to zero B. Transforms emissions so they are no longer harmful to the environment C. Uses diesel exhaust fluid (def) to help further reduce emissions D. Monitors and records all levels of exhaust from the apparatus and corrects for malfunctions - answer c. Uses diesel exhaust fluid (def) to help further reduce emissions 31) which statement about states/provinces and d/o regulations is most accurate? A. States or provinces must vote to change federal regulations B. States or province requirements must be similar within regions C. States or provinces cannot alter basic federal requirements D. States or provinces have latitude to alter federal requirements as necessary - answer d. States or provinces have latitude to alter federal requirements as necessary 32) when more than one emergency vehicle is responding along the same route, they should travel: A. At least 50 to 150 ft apart B. At least 100 to 300 ft apart C. At least 300 to 500 ft apart D. At least 700 to 900 ft apart - answer c. At least 300 to 500 ft apart 33) when strobe lights (emitters) mounted on apparatus are used to activate sensors in traffic lights, the signal: A. Causes a red light in all directions B. Causes either a red or green light for the fire apparatus direction of travel C. Causes a red light for the fire apparatus direction of travel, and a green light in all other directions D. Causes a green light for the fire apparatus direction of travel, and a red light in all other directions - answer d. Causes a green light for the fire apparatus direction of travel, and a red light in all other directions 34) how do drivers establish visual lead time? A. By dividing speed by travel distance B. By counting the seconds it takes to travel between landmarks C. By scanning the path of travel far enough ahead based upon their speed D. By watching the vehicle directly in front of the apparatus and estimating stop time - answer c. By scanning the path of travel far enough ahead based upon their speed 35) to maintain control when in an acceleration skid, the d/o should not apply brakes, but should instead ease off the accelerator, and: A. Then apply the brakes forcefully B. Straighten out the front wheels as vehicle begins to respond C. Turn the front wheels in the same direction as the skid D. Turn the front wheels in the opposite direction from the skid - answer c. Turn the front wheels in the same direction as the skid 36) which is a guideline when working on, around, or under apparatus? A. Always carry a hand-held radio B. Always have a second person present C. Always let at least one person know where you are D. Work on apparatus only when maintenance personnel are present - answer b. Always have a second person present 37) when might tandem pumping operations be needed? A. During inclement weather conditions B. During the growth stages of a fully involved building C. When one strong hydrant is used to supply two pumpers D. When pressures higher than a single engine is capable of supplying is required - answer d. When pressures higher than a single engine is capable of supplying is required 38) which is a guideline for positioning for structure protection during a wildland fire? A. Park apparatus on the roadway B. Position apparatus on the windward side of the structure C. Park as close as physically possible to the structure D. Clear away any nearby brush that may serve as fuel - answer d. Clear away any nearby brush that may serve as fuel 39) when water converts to a gas, water vapor, or steam, the water: A. Immediately dissipates so it is rarely visible B. Changes to droplets that will fall back to the surface C. Only becomes visible if the ambient air temperature is above 40*f D. Only becomes visible as it rises away from the surface of the liquid and begins to condense - answer d. Only becomes visible as it rises away from the surface of the liquid and begins to condense 40) the second principle of pressure states that fluid pressure at a point in fluid at rest is: A. Greater near the top B. Greater near the bottom C. The same intensity in all directions D. Variable and not the same in all directions - answer c. The same intensity in all directions 41) in order to convert head in feet to head pressure in psi, you must divide the number of feet by: A. 1.50 B. 2.304 C. 4.302 D. 6.32 - answer b. 2.304 42) the second principle of friction loss illustrates that: A. Friction loss and velocity are unrelated B. Friction loss develops much faster than change in velocity C. Friction loss develops much slower than change in velocity D. Friction loss develops at the same rate as change in velocity - answer b. Friction loss develops much faster than change in velocity 43) why does the third principle of friction loss demonstrate the advantage of larger size hose? A. For the same discharge, friction loss varies inversely as the second power of diameter of hose B. For the same discharge, friction loss varies inversely as the third power of diameter of hose C. For the same discharge, friction loss varies inversely as the fifth power of diameter of hose D. For the same discharge, friction loss varies inversely as the tenth power of diameter of hose - answer c. For the same discharge, friction loss varies inversely as the fifth power of diameter of hose 44) the fourth principle of friction loss states that for a given velocity, friction loss is: A. Widely variable, regardless of pressure on the water B. Inversely proportional to the pressure on the water C. Approximately the same, regardless of pressure on the water D. Increased by 25% for every 25% increase of pressure on the water - answer c. Approximately the same, regardless of pressure on the water