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Combustibili

Authored by Bianca Tig

Physics

8th Grade

Used 8+ times

Combustibili
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Primul tip de combustibil folosit a fost:

lemn

petrol

cărbune

hidrogen

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Substanțele care prin ardere absorb căldură se numesc combustibili.

Adevărat.

Fals.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Combustibilii pot fi clasificați în

2 categorii

3 categorii

4 categorii

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Combustibilii fosili sunt combustibili:

naturali

artificiali

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Mărimea fizică ce caracterizează eficiența unui combustibil este:

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

După starea de agregare, combustibilii pot fi:

solizi

artificiali

naturali

lichizi

gazoși

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Puterea calorică are unitatea de măsură în S.I.:

J/kg

MJ/kg

kg/J

J/g

J

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