Basic Firefighting Final
Fire hoses come in standard lengths of 50ft and in sizes of?
1.5 and 2.5 inches
NSPH couplings have?
11.5 TPI
Normally the percentage of O2 in air is?
21%
The signal for man overboard is?
3 long blats on the ship's whistle and general alarm
The effective range of a CO2 extinguisher is?
3-8ft
A SCBA bottle must contain a minimum of?
30 minutes of air
In the absence of a certified Marine Chemist on a ship at sea, a __________ is assigned in writing by the Master to test the space prior to entering?
A "gas free engineer or competent person"
Who is a licensed and degreed chemist contractor?
A Marine Chemist
An aluminum powder is fire considered?
A class Delta fire
The pieces of equipment is Personal Protective Equipment (PPE) designed to protect employees in the workplace may consist of?
A respirator, safety goggles, and ear plugs (ALL OF THE ABOVE)
The following can be injected into a space through a fixed system
AFFF, Halon, and CO2`(ALL OF THE ABOVE)
Monoamonium Phosphate is Used on?
Alpha, Bravo, and Charlie class or classes of fire
A fire main system on a tank is required to be tested...?
At 2 simultaneously remote stations, to a sustained pressure of 75PSI, and by the USCG as part of a COI (ALL OF THE ABOVE)
When donning a face mask for breathing apparatus, straps should be tightened from?
Bottom to top
What extinguishing agent does dry chemical do?
Breaks the chain reaction
The PRIMARY extinguishing agent for a Class Charlie fire is?
CO2
Does not operate independent of the air?
Cartridge type respirator
Class of HAZMAT contains explosives?
Class 1
Ash producing with a primary extinguishing agent of water?
Class Alpha fire
HALON agents are PRIMARILY used on what classes of fires?
Class B and Class C
What classes of fire are most likely to occur in the Engine Room of a ship?
Class B and Class C fires
FOAM is used on?
Class Bravo Fires and is an excellent vapor barrier
Flammable and combustible liquids with a primary extinguishing agent of FOAM?
Class Bravo fire
Electrical circuits with a primary extinguishing agent of CO2?
Class Charlie fire
Metals with a primary extinguishing agent of dry powder?
Class Delta fire
Galley is with a primary extinguishing agent of wet chemical?
Class Kilo fire
On an All Purpose Nozzle, if the bale is in the forward position (away from you) it indicated it is?
Closed
All the following may be found on a HAZMAT placard?
Color, UN Number or proper name, and Symbol (NOT THE COAST GUARD NUMBER)
An inspection of a respirator should be...?
Completed by the user, done before and after each use, and should be done at least once per month if not used.
The spread of fire through a solid object such as a bulkhead is known as?
Conduction
Class Delta
Consists if Metals, which name ends with "-IUM
Class Charlie
Consists of electrical circuits
Class Alpha
Consists of rubber and plastics
Disadvantage of Halon
Contains CFCs
The Signal for Fire and Emergency?
Continuous blast of the ships whistle and ringing of the general alarm bell for no less than 10 seconds
The main components of the typical shipboard fire station include?
Control Valve, Hose Connection, Hose Rack, and Camel
Fire spread through venting ducts is considered to be done by?
Convection
Fire extinguishing agents are substances which extinguish fires by which four specific actions?
Cooling, Smothering, Oxygen Dilution, and Chain Breaking
Proper assessment of the remaining air in an SCBA bottle is best done by observing the...?
Cylinder gauge
Class Bravo
Designed for use of the "twinned" system
Disadvantage of FOAM
Electrically conductive
Advantage of FM200
Environmentally Friendly
An EEVD is used for what?
Escape from an area
The station Bill must contain the minimum information...?
Every crewmembers duty station, their emergency duties, and emergency signals
The PRIMARY extinguishing agent for a class Bravo fire is?
FOAM
The six most common equipment found at the ships typical fire station include?
Fire Hoses, Fire Axe, Wye Gate, Spanner Wrenches, Applicators, and Nozzles (NOT GOING TO SEE FIRE IMAGER)
Upon hearing the signal for Fire and Emergency, a crewmember should proceed to?
Fire and Emergency Station
The temperature at which a liquid fuel gives off sufficient vapor to sustain combustion is known as?
Fire point
The Fire and Emergency Signal should be sounded for?
Fire, Flooding, Collision, etc.
A foam extinguisher can best be used on?
Flammable liquids
Gasoline, paint, and cooking oil are all examples of what?
Flammable liquids
Advantage of Dry Powder
For use with Combustible metals and oxidizers
The fire tetrahedron consists of?
Fuel, Oxygen, Heat, and Chain Reaction
Class Kilo was developed specifically for what type of fires?
Galley Fryer
Extinguishing agent primarily designed as a chain breaker, used in fixed systems, and contains CFC's is?
HALON
A fire extinguisher IS/IS NOT required in an Emergency gear/ DC locker
IS NOT
Advantage of Dry Chemical
Inexpensive
The smallest percentage of vapor present in air that will make an ignitable mixture is known as?
LEL
Disadvantage of Dry Chemical
Leaves heavy residue
Disadvantage of Dry Powder
Limited for use only on class D fires
Applicators produce?
Low velocity fog
If a crew member needed to determine the properties and potential hazards of a material or product they should refer to the?
MSDS
The preparation of the station bill is the responsibility of the?
Master
ABC/Multi-Purpose Dry Chemical consists of?
Monoammonium Phosphate
Fire and boat drills are required to be held?
Monthly
The signal for Abandon Ship is?
More than 6 short blasts followed by one long blast on the ships whistle and the general alarm
The normal hose team consists of up to four persons, what are the positions?
Nozzle, Hydrant, Back-up, and Door access or messenger
The following dangers should be tested for prior to entering a confined space?
O2 deficiency, Flammable vapors, and Toxic vapors
The organization that enforces workplace safety and health laws, practices, and procedures is known as what?
OSHA
Class Kilo
Occurs where you may find a hood ventilator system
The APN has three settings for the bail and they are as follows: All the way forward ___ hallway back ___ All the way back___
Off, high velocity fog, and solid stream
What are the two positions on a Var-Nozzle?
On and shut-off
Advantage of Halon
Permitted if still onboard and not used
AFFF was designed specifically as a "Twinned System" for use with what other extinguishing agent?
Potassium Bicarbonate
Purple K or PKP is what type of extinguishing agent?
Potassium Bicarbonate
Upon discovering a fire the first thing you should do is?
Raise the alarm
In every case, the bypass valve on a SCBA is colored?
Red
In regards to a chemical substance or physical agent, TLV is a term that refers to the?
Scientific measurement of level of exposure without adverse health effects
Fire extinguishers consist of what components?
Self-contained unit portable or semi-portable, supply of extinguishing agent, expellant gas, pressurized canister, and hose
Portable ire extinguishers are rated according to?
Size and Class of fire
The PRIMARY way in which dry powder puts out a class D fire is?
Smothering
A Vari Nozzle has the ability to produce the following types of water spray patterns?
Solid stream, low velocity fog, and high velocity fog (ALL OF THE ABOVE)
The following may ignite fuel vapors?
Static electricity, an open running motor, and loose wiring (ALL OF THE ABOVE)
Applicators are used with APN nozzles and come in how many lengths for both 1.5 and 2.5 inch sizes?
THREE
A Class III watertight door can be opened and closed from a remote location
TRUE
A pre-fire plan is a set of firefighting instructions for a compartment specific to the particular ship and its design, systems, firefighting capabilities, and crew size
TRUE
Pyrolysis
The chemical conversion of a solid fuel into a flammable vapor through heat
What is not considered IDLH prior to testing?
The engine room
Prior to inserting a low velocity fog applicator into an All-purpose nozzle, you must remove what?
The high velocity tip
Flash point
The temperature at which a fuel gives off sufficient vapor to form an ignitable mixture near its surface
Using a fire extinguisher classification system "BIII" refers to?
USCG classed for bravo fires medium size extinguisher
Advantage of FOAM
Vapor Barrier
Disadvantage of FM200
Very Expensive
The factor that does not affect a substance's rate of burn is the...?
Weight of substance
The system designed to protect the same areas as fixed systems, where a successful fire attack with such may preclude the need for using the large fixed system is called what?
a Semi-portable extinguisher
A Wye Gate reduces ____ 2.5 inch branch line on a fire station to ___ 1.5 inch fire hose attachments
a one, two
The Station Bill at a minimum must be found where onboard a ship?
all operating stations and a conspicuous location in the accommodation spaces
The spread of fire can be prevented by?
cooling surfaces adjacent to the fire, removing combustible material from the endangered area, and cutting off the supply of oxygen (ALL OF THE ABOVE)
A class K fire extinguisher would best be used on a ?
deep fat fryer in galley fire
The signal to commerce lowering boats is?
one short blast
