
Sulamine

Quiz
•
Physics
•
9th Grade
•
Medium
Raimo Urgard
Used 7+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
...näitab, kui suurt soojushulka on vaja, et sulatada 1 kg ainet.
Sulamistemperatuur
Sulamissoojus
Erisoojus
Aurustumissoojus
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Milline aine nendest sulab kõige kõrgema temperatuuri juures?
Alumiinium
Hõbe
Kuld
Raud
Vask
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Milline neist on sulamissoojuse ühik?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Millise aine sulamissoojus on kõige suurem?
Jää
Alumiinium
Elavhõbe
Vesinik
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jootmine on materjalide ühendamise protsess, kus kasutatakse tahkes olekus joodiseid, mis sulatamise juures märgavad joodetavaid pindu, imbuvad liitepragudesse ja kristalliseerudes moodustavad püsiva liite.
KÜSIMUS: Vasega joodetakse kokku terasdetaile. Miks ei ole võimalik vasega kokku joota alumiiniumesemeid?
Vase sulamistemperatuur on suurem kui alumiiniumil ning alumiiniumesemed sulavad ära.
Saab küll
Vaske ei kasutata jootmiseks
Alumiiniumesemeid ei joodeta.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Mida tähendab väide: „Elavhõbeda sulamissoojus on 12 kJ/kg“?
1 kg elavhõbeda temperatuuri tõstmiseks 1 kraadi võrra kulub 12 kJ?
1 kg elavhõbeda sulamiseks läheb vaja 12 kJ soojusenergiat.
Elavhõbeda sulamisel eraldub 12 kJ suurune soojushulk kilogrammi kohta.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3,4 J
340000 J
340 J
3,4 kJ
8.
OPEN ENDED QUESTION
5 mins • 3 pts
Evaluate responses using AI:
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