Gorenje i gorive tvari

Quiz
•
Education
•
6th Grade
•
Medium
stefica debogovic
Used 203+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Toplinska energija je
energija koja prelazi s tijela više temperature na tijelo niže temperature
temperatura na kojoj neka tvar gori
kemijski proces spajanja goriva s kisikom uz oslobađanje topline, svjetlosti, dimnih plinova i krutih ostataka
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Goriva su
energija koja prelazi s tijela više temperature na tijelo niže temperature
tvari koje izgaraju
voda, pjena, prah, ugljični dioksid
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Gorenje je
kemijska reakcija oksidacije kod koje se goriva tvar spaja s kisikom iz zraka uz oslobađanje topline i svjetlosti
jedinica za toplinsku vrijednost za čvrsta i tekuća goriva
energija koja prelazi s tijela više temperature na tijelo niže temperature
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Za proces gorenja potrebna je prisutnost
gorive tvari
kisika
izvora topline
toplinska vrijednost goriva
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Za početak gorenja potrebno je osigurati dovoljnu količinu toplinske energije kako bi se postigla
temperatura paljenja goriva
temperatura ledišta
temperatura vrelišta
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Temperatura paljenja je
tvar koja izgara
jedinica za toplinsku vrijednost za čvrsta i tekuća goriva
temperatura na kojoj neka tvar gori
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gašenje požara postižemo upotrebom
vode, pjene, praha, ugljičnog dioksida
topline, gorive tvari i kisika
drva, ugljena,nafte, zemnog plina
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