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Fire Investigator - master for TCFP test ? questions and answers graded A+ 2024/2025
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Fire Investigator - master for TCFP test ? questions and answers graded A+ 2024/2025
[Meer zien]Voorbeeld 4 van de 53 pagina's
Voorbeeld 4 van de 53 pagina's
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Voorbeeld van de inhoud
Fire Investigator - master for TCFP test ?Is NFPA 921 a manual or a fashionable? - ANSIt is the Guide for Fire and Explosion
Investigations
What are the six steps of the clinical technique? - ANSRecognize the want
Define the trouble
Collect the information
Analyze the statistics
Develop a hypothesis
Test the hypothesis
What step of the medical method is inductive reasoning? - ANSAnalyze the facts
What step of the scientific approach is deductive reasoning? - ANSTest the hypothesis
What are the four components of the fire tetrahedron? - ANSFuel (reducing agent)
Heat
Oxidizing agent
Uninhibited chemical chain response
What form of reaction absorbs energy, an endothermic or an exothermic response? -
ANSEndothermic
What is warmth transfer by means of direct touch referred to as? - ANSConduction
What is warmness switch by fuel drift / air movement called? - ANSConvection
What is warmth switch by using microwave strength called? - ANSRadiation
What is a gas managed fireplace? - ANSA fire that is restricted with the aid of the quantity of
combustibles.
What is a air flow controlled fire? - ANSA fireplace this is restricted via the amount of oxygen.
What are the degrees of fire growth? - ANSIgnition
Growth
Flashover
Fully Developed
Decay
,What is a flashover? - ANSThe transition section from increase to completely developed,
wherein all surfaces attain ignition temperature almost concurrently.
What is ignition of the underside of the recent gasoline layer referred to as? - ANSFlameover or
rollover
What elements influence flashover situations? - ANSSize of the compartment
Height of ceiling
Ventilation
Amount of gas
Layout of gasoline
Location of hearth within the compartment
What are fireplace patterns? - ANSThe bodily manifestation of the impacts of fireplace on
materials.
What are the distinctive kinds of fireplace patterns at the partitions and ceiling? - ANSPlume
Generated patterns (often V formed)
Ventilation generated styles
Hot gas layer styles (Line of demarcation)
What is spalling? - ANSThe separation of chunks of concrete with explosive pressure resulting
from the expansion of water (moisture) trapped within the concrete as it turns to steam
What is char? - ANSPyrolized carbonaceous material
What is oxidation? - ANSPhysical trade in appearance of a cloth attributable to the combination
of oxygen.
What is alloying? - ANSMixing metals heated then cooled to alternate their residences. Often
melts at a lower temperature.
What is a clean burn? - ANSWhen there has been enough warmness to burn away all carbon
deposits (soot) on a floor leaving a "easy" floor. Occurs on non-flamable surfaces.
What is soot? - ANSElemental carbon produced all through incomplete combustion.
What is calcination? - ANSWhen chemically sure water is driven out of gypsum walls via the
heat of the fire.
Does a 25 Watt mild bulb extend toward the fire or pull inward away from it? - ANSBulbs 25
watts or less shrink back. Bulbs extra than 25 watts will extend in the direction of the fireplace.
What reasons warmness shadowing? - ANSAn item blocking off the journey of radiated warmth.
,What is a useless load? - ANSThe weight of factors attached to the constructing, like flooring,
cloumns, and roof coverings.
What is a stay load? - ANSA load that may flow, like people, fixtures, wind, water, and snow.
What is compartmentation? - ANSDesign capabilities of a constructing that limit fire boom to the
room of foundation.
What are the 5 building creation types? - ANSType I - Fire resistant
Type II - Non flamable
Type III - Ordinary
Type IV - Heavy wood
Type V - Wood frame
What is ordinary production? - ANSExterior walls are masonry and frame is wooden.
What is wooden body production? - ANSLightweight wooden production, used in flats, homes.
What is platform body construction? - ANSEach floor is a seperate platform.
What is balloon body construction? - ANSThe wall studs increase from the muse to the roof.
What is Ohm's Law? - ANSV=IR
(E = I x R)
What is voltage? - ANSPressure
What is modern? - ANSFlow
What is resistance? - ANSFriction, opposition to the drift
What is an overload? - ANSPower desires exceed the circuit's ability.
Alternating Current VS Direct Current - ANSAlternating cutting-edge - the electrons go with the
flow out from the source and then again to it, alternating guidelines.
Direct modern-day - electrons waft one manner.
Single Phase service - ANSResidential. Three conductors: Two insulated conductors at a
hundred and twenty V each, and a naked ground cord.
Three section system - ANSCommercial. Four conductors: Three insulated conductors (480,
240, or 208 V), and a naked floor cord.
, What is the difference among grounding and bonding? - ANSGrounding connects the gadget to
the earth (floor). Bonding connects to systems collectively so the charge stays the identical
among them.
What is overcurrent safety? - ANSA tool that protects the machine from excess present day.
Includes:
Circuit breakers
Plug fuses
Type S fuses
Time postpone fuses
Cartridge fuses
What are the colours of residential wires? - ANSHot - black or crimson
Neutral - gray or white
Ground - bare or inexperienced
What are some techniques of electrical warmth production? - ANSResistance heating
Short circuit
Ground fault
Parting Arc
Excessive modern
What is the difference between and arc and a spark? - ANSSparks are thrown metallic particles
Arcs are brief discharges of strength
What is arc monitoring? - ANSArc following salts, dusts, or drinks along a route.
What is arc mapping? - ANSMapping out of electrical damage in a circuit.
What is static strength? - ANSA stationary fee caused by motion of 1 item against another.
Lighting is a static disharge.
What are the 5 situations nessecery for Static Arc Ignition? - ANSA Means of static generation
A means of collecting and retaining the fee
A static discharge with sufficient energy
A fuel source
Coexistence of the arc and gasoline source
Name fuel gasses: - ANSLP (liquid petroleum)
Natural gas
What is the distinction between tanks and cylinders for LP fuel? - ANSTanks: storage with more
than a thousand LBs water potential.
Cylinder: Portable, normally patron.
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