Study Guide 1

Question 1

There must be at least how much water over the strainer?

Answer 1

24”

Question 2

NFPA 1901 requires that all apparatuses with a GVWR of 36,000 lbs or greater be equipped with?

Answer 2

auxiliary braking system

Question 3

when backing an apparatus, sound how many blasts immediately beforehand?

Answer 3

2

Question 3

when do palms face spotter using both arms?

Answer 3

when backing straight

Question 4

boundaries between wildland and structural development are called?

Answer 4

wildland urban interface

Question 5

if you have to drive into smoke area where crews operate, you must?

Answer 5

sound horn, use warning lights, drive slowly

Question 6

water tender must carry how many gallons?

Answer 6

1,000 gallons

Question 7

law of inertia states that?

Answer 7

an object in motion, stays in motion. objects at rests, stays at rest, unless acted upon by outside force.

Question 8

what speeds do emergency vehicles out run audible devices?

Answer 8

50 mph

Question 9

which NFPA requires water tenders to be filled at a rate of at least 1,000 gallons?

Answer 9

1901

Question 10

what caused green light for fire apparatus in direction of travel and reds for others?

Answer 10

preemption device

Question 11

any wildland fire attack should begin in and positioned in an

Answer 11

anchor point

Question 12

any apparatus with less than _____ must have a tank fill line of at least 1 inch

Answer 12

1,000 gallons

Question 13

what is the advantage of a bursh truck?

Answer 13

pump and roll

Question 14

average brush truck carries how much water?

Answer 14

500 gallons

Question 15

Road test are performed with?

Answer 15

fully loaded truck at service weight

Question 16

float strainers have a minimum depth of?

Answer 16

1 foot

Question 17

float pumps are capable of producing?

Answer 17

500 gpm

Question 18

the height that a column of water that may be lifted by atmospheric pressure in a true vacuum at sea level is called?

Answer 18

theoretical lift

Question 19

how many feet an theoretical lift a column of water?

Answer 19

33.9 feet

Question 20

in theoretical lift, as the elevation increases, the height will?

Answer 20

decrease

Question 21

Max lift in a fire truck?

Answer 21

25 feet

Question 22

what are common types of skidding?

Answer 22

acceleration & locked wheel

Question 23

NFPA 1901 specifies that the minimum pump capacity for pump design is?

Answer 23

750 gpm

Question 24

portable generators are designed to provide power at?

Answer 24

5,000 watts

Question 25

the section of the pump that gradually increases in cross sectional area as it nears the discharge outlet of the pump is the?

Answer 25

volute

Question 26

when a pumper is connected to a hydrant, and 1st line is opened, the residual pressure will drop 20%. This indicates the hydrant should be able to supply?

Answer 26

one additional set up same size

Question 27

when using a centrifugal pump to supply hose line and nozzle is shut off quickly, the pressure travels back to?

Answer 27

water main

Question 28

if the speed of stream of water is increased beyond limits, and friction loss becomes so great that the stream is agitated by resistance, this is known as?

Answer 28

critical velocity

Question 29

master stream flows at?

Answer 29

350 gpm

Question 30

back pressure is also known as

Answer 30

head pressure

Question 31

what flow test is done when an apparatus is equipped with onboard water tank?

Answer 31

tank to pump

Question 32

pump certification tests performed by?

Answer 32

independent testing organizations

Question 33

if pump fails to reach _____ inch of mercury, remove the apparatus from service

Answer 33

22

Question 34

what braking system are most commercial and private vehicles (built since 1990) equipped with?

Answer 34

anti-lock braking

Question 35

which brake is the least capable of the four auxiliary brake devices?

Answer 35

exhaust

Question 36

pump rating NFPA 1901: percentage rate capacity at 150psi, 200psi, & 250psi?

Answer 36

100%, 70%, 50%Vo

Question 37

Volunteer FD should inspect/maintain trucks at least?

Answer 37

weekly/biweekly

Question 38

fire apparatuses with pump rated capacity less than 750 gpm are required to undergo same certification test as pumps over 750 with exception of?

Answer 38

pumping engine overload test

Question 39

hydrostatic test performed to ensure that the pump can with stand high pressure pumping demands: ____ psi for minimum of _____ min?

Answer 39

500/10

Question 40

pumping test checks overall condition of

Answer 40

engine and pump

Question 41

pitot tube used to find flow pressure at?

Answer 41

discharge opening

Question 42

air horn stops working at?

Answer 42

drops below 80 psi

Question 43

rescue vehicles commonly have generators with capacity up to?

Answer 43

50,000 watts

Question 44

what improves traction and handling by locking the differential during off road/wet conditions?

Answer 44

driver controlled differential lock

Question 45

what occurs when throttle is applied in manual transmission in too high a gear for the demand of the engine?

Answer 45

lugging

Question 46

why should a small line be left discharging when running a drafting opperation?

Answer 46

if no water discharged, the smallest air leak may result in loss of vacuum

Question 47

a _______ is also called a throttle knob?

Answer 47

vernier

Question 48

air exhaust and vacuum are different types of?

Answer 48

primers

Question 49

what may use jet siphoning devices to transfer water from one tank to another?

Answer 49

portable tanks

Question 50

what pump must be primed before operation?

Answer 50

centrifugal pump

Question 51

a term for apparatus that is empty with no tools or gear?

Answer 51

curb weight

Question 52

what is the forward velocity pressure at a discharge opening when water is flowing?

Answer 52

flow pressure

Question 53

what is a gauge that indicates amount of electrical current being drawn?

Answer 53

ammeter

Question 54

which pilot valve is the most common type of pressure relief valve?

Answer 54

spring controlled

Question 55

NFPA requires FD to water tank capacity of at least?

Answer 55

300 gallons

Question 56

operating from negative pressure can increase the possibility of what happening to fire pump?

Answer 56

cavitation

Question 57

what is a device used for measuring existing voltage in an electrical system?

Answer 57

voltmeter

Question 58

fog nozzle pressure is?

Answer 58

100 psi