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STCW Basic Training Exam -1 Questions and Answers
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STCW Basic Training Exam -1 Questions and Answers
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STCW Basic Training Exam #1Questions and Answers
What iiare iithe iiconditions iineeded iifor iia iifire iito iioccur? ii- iiAnswers ii-fuel ii(material iithat
iiacts iias iia iifuel)
sources iiof iiignition ii(chemical, iibiological, iior iiphysical)
oxygen
What iiare iithe iicomponents iiof iithe iifire iitetrahedron? ii- iiAnswers ii-heat, iifuel, iioxygen,
iichain iireaction
How iido iiyou iistop iia iifire? ii- iiAnswers ii-Remove iiany iiof iithe iicomponents iiof iithe iifire
iitetrahedron ii(i.e. iiremove iifuel, iioxygen, iiheat, iior iiinterrupt iithe iichemical iireaction)
Oxygen ii- iiAnswers ii--21% iiambient iiair
-robust iiflaming iicombustion iidown iito ii15-16%
-surface iicombustion ii(smoldering) iidown iito iiabout ii11%
-loss iiof iiconsciousness iiin iiatmospheres iiwith ii12% iior iiless iioxygen
Heat ii- iiAnswers ii-anything iithat iiproduces iithe iirequired iitemperature iifor iiignition
-sun
-open iiflame
-chemical iireaction
-sparks
-friction
Fuel ii- iiAnswers ii--only iivapors iiburn
-liquids iiand iisolids iimust iifirst iibe iivaporized
-tendency iiof iia iisubstance iito iivaporize iiis iian iiindication iiof iiits iiability iito iiburn
-liquids iivaporize iimore iireadily iithan iisolids
Chain iireaction ii- iiAnswers ii--you iican iihave iioxygen, iiheat, iiand iifuel iiin iithe iisame
iiplace iiand iistill iinot iihave iia iifire
-fuel iiand iioxygen iirelationship iimust iibe iibalanced ii(i.e. iiin iithe iiflammable iirange) ii
-heat iimust iibe iisufficient iito iibring iifuel iito iiits iiignition
, What iiis iia iiflash iipoint ii(of iia iiliquid)? ii- iiAnswers ii--the iilower iitemp iithat iia iiliquid iican
iigive iioff iisufficient iigas iito iiform iia iiflammable iigas iimixture iinear iithe iisurface iiof iia
iiliquid
-lowest iitemp iiat iiwhich iiwe iican iihave iifire
-fire iiflashes iiacross iisurface iigiven iisufficient iioxygen iiand iian iiexternal iisource iiof
iiignition
What iiis iia iiFire iipoint? ii- iiAnswers ii--just iiabove iithe iiflash iipoint, iiliquid iigives iioff
iiflammable iivapors iirapidly iienough iito iisupport iicontinuous iicombustion
What iiis iiignition iitemperature? ii- iiAnswers ii--substance iistarts iito iiburn
-heat iifrom iiexternal iiheat iisource ii
-auto-ignitio, iino iiexternal iisource iiof iiignition iineeded
What iiis iiauto iiignition? ii- iiAnswers ii-vapor iigenerated iiignites iiwithout iiany iioutside
iiignition iisource
What iiis iivaporization? ii- iiAnswers ii-rate iiincreases iiwith iitemperature
What iiis iispontaneous iicombustion? ii- iiAnswers ii-heat iiis iigenerated iiby iia iichemical
iiaction iiwithin iia iisubstance iiand iithis iicontinues iiuntil iiyou iihave iiignition ii(usually
iibegins iiwith iioxidation iiand iicombines iioxygen iiand iigives iioff iienergy iiin iithe iiform iiof
iiheat)
What iiis iilower iiflammable iilimit? ii- iiAnswers ii-the iileast iiconcentration iiof iiflammable
iivapors iiin iiair iithat iiwill iiburn
What iiis iiupper iiflammable iilimit ii- iiAnswers ii-the iigreatest iiconcentration iiof iiflammable
iivapors iiin iithe iiair iithat iiwill iiburn
What iiare iithe iiresults iiof iicombustion? ii- iiAnswers ii-smoke, iiflame, iiheat, iiand iigases
_____________ iiis iithe iiresult iiof iiincomplete iicombustion ii- iiAnswers ii-smoke
White iior iilight iigrey iiindicates ii____________ iiburning ii- iiAnswers ii-free
Black iior iidark iigrey iiindicates iia ii______ iifire iior iia ii_________ iiof iioxygen ii- iiAnswers ii-
hot, iilack
How iiis iiflame iiproduced? ii- iiAnswers ii-result iiof iiconversation iiof iithe iifuel iito iia iistate iiof
iiblazing iicombustion
How iiis iiheat iigenerated? ii- iiAnswers ii-rapid iioxidation iiof iithe iimaterial
How iiare iigases iiproduced? ii- iiAnswers ii-result iiof iicombustion, iimay iior iimay iinot iibe
iitoxic
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