Graded A+ Solutions
.____________ is pressure gained when the nozzle is below the pump. -
ANSWER-Elevation gain
.______________ expansion describes the ratio of finished foam solution after
the concentrate is mixed with water, agitated, and aspirated through a foam-
making appliance. - ANSWER-Foam
.______________ is pressure lost when the nozzle is above the pump. -
ANSWER-Elevation loss
._______________ evolutions are standard methods of working with fire hose
to accomplish different objectives in a variety of situations. - ANSWER-Fire hose
._______________ has a significant effect on the weight of water. - ANSWER-
Temperature
.________________ foam is particularly useful for protecting buildings in rural
areas during forest and brush fires when the water supply is limited. - ANSWER-
Class A
.________________ is the forward pressure measured at a discharge opening
while water is moving. - ANSWER-Flow pressure
,.________________ is the process of of pouring foam concentrate directly into
the fire apparatus water tank, thereby mixing a large amount of foam at one
time. - ANSWER-Batch mixing
.________________ refers to the pressure required at the nozzle to deliver the
fire stream and flow rate for which the nozzle was designed. - ANSWER-Nozzle
pressure
._________________ pressure in a system is identified by water that is not
moving. - ANSWER-Static
.__________________ foams are used for the exinguishment of Class B fires
involving hydrocarbons. - ANSWER-Protein
.__________________ is the term used to describe pressure in a water system
during a period of normal consumption. - ANSWER-Normal operating pressure
.__________________ nozzles produce fine droplets of water that absorb heat
quickly. - ANSWER-Fog stream
.___________________ are a proactive means that critical functions are
assigned to team members prior to arrival. - ANSWER-Assigned riding positions
.___________________ inspections include all on-board systems and all carried
equipment. - ANSWER-Routine
,.___________________ is a key consideration for the driver/operator that is
critical for building a successful team, instilling confidence in crew members,
and supporting positive response outcomes. - ANSWER-
.___________________ is defined as the cessation of proper functioning or
performance. - ANSWER-Failure
.___________________ systems are the most common of system in use today
and are designed for use with Class A foam and with many Class B foam
concentrates, depending on the viscosity of the concentrate. - ANSWER-
Injection
.______________________ is the term used to describe a pressure surge or
wave caused by the kinetic energy of a fluid in motion when it is forced to stop
or change direction suddenly. - ANSWER-Water hammer
.______________________ is the term used to describe the amount of pressure
that remains in the system when water is flowing. - ANSWER-Residual Pressure
._________________________ along with a variety of state and provincial
health and safety agencies, develops and enforces government regulations on
workplace safety, and in some cases, responder safety. - ANSWER-Occupational
Safety and Health Administration (OSHA)
.___________________________ are the best sources for retrieving the answers
to specific equipment operational questions. - ANSWER-Operating Manuals
.( # of stories -1) X 5 - ANSWER-Formula for EP
, .= 0.0505 X GPM X √NP - ANSWER-Fog Nozzle Reaction
.1.57 X d² X NP - ANSWER-Smooth Bore Nozzle Reaction
.1000 gallons (4000 L) - ANSWER-A mobile water supply apparatus is equipped
with one or more water tanks that meet the requirements of NFPA 1901 and
have a minimum certified capacity of:
.1000 gallons (4000 L) - ANSWER-In order for a fire apparatus to be classified as
a mobile water supply apparatus, it must have a water tank that holds a
minimum of:
.115 Ft (35 M) - ANSWER-According to NFPA 1901, for a fire apparatus to meet
the classification of aerial, what is the minimum number of feet in length that
the total complement of ground ladders must meet?
.115 ft (35 m) - ANSWER-To be considered an aerial fire apparatus as defined by
NFPA 1901, the apparatus must include at a minimum, a _____________ total
complement of ground ladders that are supplied and installed by the
manufacturer.
.15 ft (4.5 m); 20 ft (6m) - ANSWER-If a mobile water supply apparatus is
equipped with a fire pump, it must carry a minimum of ___________ of soft
suction hose _____________ of hard suction hose with a strainer.
.1911 - ANSWER-Performance testing is typically performed by a qualified EVT
level 2 technician, as defined by NFPA: