Aerial Questions Flashcards
Which of the following NFPA Standards set min qualifications for driver/operator
NFPA 1002
All of the following would be considered cognitive skill required to be eligible to become driver/operator except
Mechanical ability
Which NFPA is the comprehensive occupational medical program for fire department
NFPA 1582
Which NFPA is the standard for fire service vehicle operations training program
NFPA 1451
According to NIOSH approximately how many firefighters die per year as a result of vehicle collisions and rollovers
25
In terms of firefighter deaths which of the following scenarios attributes to the most frequent and severe accidents involving aerial apparatus
Collisions at intersections
According to the US DOT studies indicate that deaths to civilians as a result of fire apparatus collisions
About the same as firefighter deaths
What is term for the field of study that concerns the knowledge and understanding of the environment that is critical to those who need to make decisions in complex areas
Situation awareness
In general there are 5 apparatus collisions they include reckless driving excessive speed and all but which of the following
Negligence
What is the standard for automotive fire apparatus
NFPA 1901
What is the standard on fire department OSH
NFPA 1500
Which statement is true
The apparatus must only be driven forward at very low low speed
Driver/operator should pre-position while back up lights to light the area where the spotter will stand which is __ in back of the apparatus
8-10 feet
A spotter should position himself in back of the apparatus so that the driver/operator can see him in the rear view mirror. But which mirror should the spotter use
The spotter should use the mirror on the side of the apparatus that is backing into the most hazardous area
NFPA 1901 classifies aerial devices into 3 categories. Which of the following would not be one of those categories
Telescoping aerial ladders
The most common type of aerial fire apparatus operated in North America
Aerial ladder apparatus
Typically North America made aerial ladders range from
50-135 feet
The working height of an aerial ladder is measured from the
Ground to the highest rung in the ladder at its max elevation and extension
What distinct feature do tiller trucks posses that make them unique to other aerial apparatus
They are equipped with steerable rear wheels
Supporting beams of serial ladders are strengthened with
Trusses
The subsequent section of a ladder beyond the base section are known as the __ section
Fly
The base rails of an aerial ladder are commonly referred to as the
Beams
Aerial ladder platforms commonly range in size from
85-110 feet
The required min area on an aerial platform is
14 square feet
How tall should the kick plat be on an aerial platform
4 inches
Water fog curtain nozzles mounted on the underside of aerial platforms must have a nozzle flow rate of at least
75 gpm
All elevating platforms must have a load capacity when fully extended at an elevation with its normal range of
750 lbs
The water delivery system of an aerial platform should be capable of delivery at least __ in any position
1000gpm
NFPA 1901 states that any aerial platform 110 feet or less must be raised from a bedded position to its max and be able to rotate 90 degrees within
150 sec or less
NFPA 1901 state that any aerial plat form taller than 110 feet must be raised from a bedded position to its max and be able to rotate 90 degrees within
There are no time requirements for elevating platforms taller than 110 feet
What is the primary difference between articulating aerial platforms and telescoping aerial platforms
The boom section of articulating platforms are connected by a hinge and fold like an elbow instead of telescoping into each other
According to NFPA 1901 in order to be considered a quint an apparatus must have a fire pump capacity of
In excess of 1000gpm
To be considered a quint the tank capacity of the apparatus must hold at least
300 gallons
According to NFPA 1901 a quint should store
800 feet of 2 1/2 inch supply hose and 400 feet of attack hose
To be considered a quint the apparatus must carry __ of ground ladders
85 feet
Cylinders that are capable of receiving oil under pressure from both sides of a piston so that force con be created in either direction are called
Double-acting cylinders
Water towers have a max flow rate of
5000gpm
Aerial apparatus turn table decking is constructed of
Rigid metal plates
Most older types of aerial apparatus have 3-3 1/2 inch pipe attached to the underside of the base section where a master stream is connected directly to the end of the pipe. The piped aerial ladder water way is called
Bed ladder pipe
Bed ladder pipes are usually equipped with
Solid stream nozzles
Most aerial ladders 110 feet or shorter, equipped with a telescope water system have piping that extends
Directly to the tip of the last fly section
Telescoping ladder pipe system consist of 3 or 4 sections that reduce in size normally the min internal diameter of the pipe is
4 inches
Most telescoping water pipe systems are capable of flow up to
1000gpm
Which of the following components are used in a detachable water pipe system
Detachable water pipe
Firehose
Hose straps
Clappered siamese
Detachable water pipe system are capable of flows up to
750gpm
Most ladder equipment with detachable ladder pipe systems restrict sideways movement of the nozzle to about __ either side of the center point of the ladder
15 degrees
Elevating plat form waterway systems are capable of flows up to
2000gpm
Which of the following statements regarding aerial apparatus systems not true
NFPA 1901 requires that all aerial devices be equipped with a breathing air system
The positive displacement type pump that imparts pressure on hydraulic oil with in the hydraulic is called a
Hydraulic pump
A unit the supplies the hydraulic fluid that is moves in and out of the system is called
Hydraulic reservoir
Valve that controls the flow of hydraulic oil from an aerial apparatus hydraulic system to the hydraulic cylinder is called
Actuator valve
Step-up transformer that converts a vehicles 12 or 24 volt DC current into 110-220 volt AC current is called
Inverter
Typically how much electrical power can be supplied by an inverter
5000 watts
Vehicle mounted generators on rescue trucks can have a capacity of up to
50,000 watts
How many straight ladder with folding roof hooks should be carried by aerial apparatus according to NFPA 1901
2
If the aerial apparatus is going to be operated as a quint how many attic ladders, straight ladders with folding roof hooks an extension ladder must the apparatus carry
1
Normally pole ladders are __ or longer
40 feet
All of the following forcible entry tools are required by NFPA 1901 to be carried on aerial apparatus except for which of the following
Center punches
Hydraulic door openers are also called
Rabbet tools
Smoke ejectors are
Negative-pressure fans
The type of multi directional valve used in an aerial device hydraulic system called a
Stack valve
Multi directional valve used to control the flow of hydraulic oil through a hydraulic systems called a
Monitor valve
When does “loss Control” begin
The moment responding companies leave the fire station
In a hydraulic cylinder the pivoting end of the piston rod that is connected to the anchor ear by the heal pin is called the
Trunnion
The cables used to extend aerial ladders are usually a corrosion-resistant, aircraft quality cables made with high-strength steel called
Plow steel
On aerial apparatus the operator’s control pedestal usually stands about __ high
3 1/2 feet
Which NFPA standard establishes requirements for the quality of the air in breathing air systems
NFPA 1989
Portable lights generally range from
300-1000 watts
Bank of lights will usually have a capacity if __ per light
500-1500 watts
According to NFPA 1901 what are the lighting requirements for lights at the tip of an aerial device
There are no requirements for lights
In most cases repairs to apparatus are carried out by
Qualifies mechanics
What is the standard for emergency vehicle technician professional qualifications
NFPA 1071
What is the standard for the inspection maintenance testing and retirement of in service automotive fire apparatus
NFPA 1911
Fire apparatus brakes should be thoroughly tested at least once
Yearly
During the parking brake test the apparatus should be positioned on a ___ grade
20%
Driver/operator should check the rate of air pressure build up when the engine is running at operating rpms, the pressure should build from 85-100psi within
45 sec
Battery terminals should be cleaned with
A wire brush and rinsed with clean water
When using a garden hose to wash fire apparatus, which of the following represents the correct method
Set the water pressure in a garden hose so that the stream from the end of the hose id effective no more than 1 foot from the surface of the apparatus
When testing low air warning devices, the engine should be off and the master switch on pump the brake pedal continually to lower the air tank pressure the warning light and buzzer should be activated before
60psi
Air brake automatic activation is called
Pop-out
When testing air brake automatic activation following the testing of low air warning devices, the parking brake should be released and you should pump the brake pedal until the air brake control sets automatically. This should occur between
20-40psi
What color is the primary pressure gauge needle
White or green
The weight of an empty fire apparatus off the assembly line, with no tools, water, equipment or passengers is called it’s
Curb weight
When full an air system pressure gauge should read
100-125psi
When the apparatus air system is full and the engine is shut off hold your foot down on the brake pedal. After the pressure gauge has settled it should read no less than a __ per min loss
3psi
When testing slack adjusters you should use safety gloves and pull firmly on each slack adjuster. If the push rod operates in and out of the brake chamber with more than __ of throw the brake system is out of adjustment brake pods or shoes are work excessively
1 inch
When testing the rotation and extension of the aerial ladder you should
It doesn’t matter as long as you do not test both at the same time
Usually the driver/operator will mot be involved with all but which of the following types of test
Service test
Any person who is actually performing nondestructive testing must be certified as
ASNT level II NDT Technician
While nondestructive testing is performed and apparatus fire department should
Have fire department personnel witness the testing
A variety of scientific test procedures are used during the performance of the aerial apparatus pre service testing. These include all but which of the following
Continuity testing
Which of the following tests are used to inspect structural components without physically altering placing under load or stress or other wise damage the component
Nondestructive test
Which of the following tests are used to determine that the hydraulic system and structural mechanisms manufactures specifications
Operational testing
All but which of the following fireground structures indicate that load testing may not be a totally accurate prediction of the device performance on the fireground
The raising of refilled air pack bottles using aerial device
Which of the following would not be considered a NDT procedure
Molecular matrix scan
Magnetic particle inspection is performed on which of the following aerial device components
Accessible welds and steel components
Which NDT procedures involves the injection of high frequency vibrations into the surface of the test component which bounce back to their source from the opposite surface thus revealing a flaw if the signal is returned in a different pattern
Ultrasonic inspection
Which pre service test may involve fire department personnel
Acceptance test
Acceptance testing is commonly performed
After apparatus has been delivered to the purchaser, but before final acceptance has been made
Test that determine whether the permanent water way system pump piping can with stand the pressure normally encountered during fire fighting operations are referred to as
Hydrostatic test
A pumping engine overload test should be performed during acceptance testing if the apparatus will be loaded at an altitude on excess of __ above sea level
2000 feet
All apparatus testing should conform to which NFPA standard
NFPA 1911
Why isn’t load testing a totally accurate prediction of an aerial performance capability in situations normally encouraged on the fireground
It is not a good indicator of a dynamic load
Which of the following NPT produces is accomplished by taking conductivity reading throughout the ladder
Conductivity reading
