FINAL EXAM TEST BANK CURRENTLY
TESTING ACTUAL EXAM 450
QUESTIONS WITH DETAILED
VERIFIED ANSWERS ALREADY
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"What is the most common type of valve that permits full flow through the lines with a
minimum of friction loss? - CORRECT ANSWER=> Ball valve"
"With the engine idling and the pump engaged, most speedometers read between ——- and
——- mph? (Pierce) - CORRECT ANSWER=> 10 and 15"
"In what arrangement is the pump driven by a drive shaft connected to the chassis
transmission? - CORRECT ANSWER=> Power take off driven (PTO)"
"When the transfer valve is in the ——- position, all the water from the intake is directed into
the eye of the first impellar in a two stage pump. - CORRECT ANSWER=> Pressure"
"On a two stage pump when the pump is in the —— position, each of the impellars takes water
from a source and delivers it to the discharge. - CORRECT ANSWER=> Volume"
"There are three main factors that influence a centrifugal fire pumps discharge pressure. What
are they? - CORRECT ANSWER=> Amount of water being discharged
Pressure of the water as it enters the pump
Speed of the impellar"
"Nearly all modern fire apparatus utilize the —- as their manor pump. - CORRECT ANSWER=>
Centrifugal"
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,"The —- pump consists of 2 gears that rotate in a tightly meshed pattern inside a water tight
casing. - CORRECT ANSWER=> Rotary Gear"
"There are 3 methods of moving water in a municipal system. They are: - CORRECT ANSWER=>
Combination
Direct pumping
Gravity"
"Suddenly stopping water moving through a hose or pipe results in and energy surge being
transmitted in the opposite direction. This surge is referred to as what? - CORRECT ANSWER=>
Water Hammer"
"——- pressure is that part of the total available pressure not used to overcome friction loss or
gravity while forcing water through pipe, fittings, hose and adapters. - CORRECT ANSWER=>
Residual pressure"
"The water flow definition of ——- is: stored potential energy available to force water through
pipe, fittings, hose and adapters. - CORRECT ANSWER=> Static Pressure"
"What in the fire service refers to the height of a water supply above the discharge orifice? -
CORRECT ANSWER=> Head"
"Where a large number of emergency vehicle are responding to a call, what is used? - CORRECT
ANSWER=> Level II Staging"
"Level I staging is applied to the initial response to a fire or medical incident involving ——-
engine companies - CORRECT ANSWER=> More than One"
"In general, how many GPM is the average capacity of a 2 1/2 inch intake? - CORRECT ANSWER=>
250 GPM"
"When using the side intake connections, the driver should stop the pumper with the intake
———- of the hydrant - CORRECT ANSWER=> A few feet short"
"Drafting operations are required when a pumper is going to be supplied from a static water
source such as: - CORRECT ANSWER=> Pond
Cistern
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,Stream
Lake"
"In general steering wheel play should be no more than about ——— degrees in either direction
- CORRECT ANSWER=> 10 degrees"
"As a rule of thumb, it's best to keep the fuel tank about ———- at all times - CORRECT
ANSWER=> 3/4 tank full"
"A Quint is described by 5 things:
Pump
Forcible entry tools
Water tank
Hose
Aerial
Which is not one of them? - CORRECT ANSWER=> Forcible entry tools"
"When the correct mode of operation is not initially known use ____________ - CORRECT
ANSWER=> volume/parallel setting"
"Controls the pump discharge pressure to prevent the over pressurization of discharges -
CORRECT ANSWER=> Pressure control device"
"What is the nozzle pressure if GPM is listed? - CORRECT ANSWER=> 100"
"Relieves excess water pressure by dumping discharge water in the suction side of the pump? -
CORRECT ANSWER=> Pressure relief valve"
"The sudden stoppage of a water flow that results in a change in direction of the energy used to
move the water and intensifies the energy many times - CORRECT ANSWER=> Water hammer"
"The pressure that is used to overcome friction when water flows through pipe, fittings, fire
hose and adapters - CORRECT ANSWER=> Friction loss"
"True/False
GPM determines friction loss, not PSI - CORRECT ANSWER=> True"
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, “The following questions are from the sta aerialand pumping apparatus books. Water adds
weight to the structure at the rate of —-per minute for every ——contribute to the collapse of a
structure - CORRECT ANSWER=> Ton
250 gpm"
"For ladder pipe use, elevate the ladder to——degrees, and use—-percent extended length. -
CORRECT ANSWER=> 75
80"
"When using an elevating platform for ventilation, the bottom of the platform should be
positioned——or extened ——over the edge. - CORRECT ANSWER=> Even with
Slightly"
"Protection from convected fire spread can be accomplished by placing large———into the
thermal column. - CORRECT ANSWER=> Fog streams"
"5. Exposure protection is best accomplished by placing water—-the exposed structure -
CORRECT ANSWER=> Directly on"
"In the unsupported position place the tip —- to —- incjes above the target. - CORRECT
ANSWER=> 4-6"
"the tip Some of the most common uses for an aerial device are rescue, exposure protection,
ventilation, and——- - CORRECT ANSWER=> Elevated fire attack"
"—— loads impose great stresses on the aerial device. Do jump into the platform from above. -
CORRECT ANSWER=> Dynamic. Also known as shock loading."
"When subjected to extreme cold temperatures the device should be operated in a manner that
minimizes or eliminates the —— loading to its structural members - CORRECT ANSWER=> Shock"
"What should you do to the waterways before any movemnt of the aerial device? - CORRECT
ANSWER=> Drain"
"Most manufacturers do not recomend that their aerial device be used in the supported
position, therefore, position the aerial device about —- to —- inches above the surface of the
objective. - CORRECT ANSWER=> 4 to 6"
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