Kviz o bakru i drugim metalima

Kviz o bakru i drugim metalima

12th Grade

27 Qs

quiz-placeholder

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Kviz o bakru i drugim metalima

Kviz o bakru i drugim metalima

Assessment

Quiz

Science

12th Grade

Practice Problem

Medium

Created by

Mario Čović

Used 3+ times

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27 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koja je gustoća bakra (Cu)?

8,92 kg/dm3

7,28 kg/dm3

1,74 kg/dm3

8,8 kg/dm3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Na koju skupinu metala pripada bakar?

Teški metali

Laki metali

Plemeniti metali

Alkalni metali

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koja je vlačna čvrstoća lijevanog bakra?

137 N/mm2

470 N/mm2

392 N/mm2

157 N/mm2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koja je vlačna čvrstoća hladno vučenog bakra?

470 N/mm2

137 N/mm2

392 N/mm2

157 N/mm2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koja je izdržljivost bakra?

45 %

8 – 12 %

32 – 40 %

77 %

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koji je glavni razlog zašto se bakar koristi u elektrotehnici?

Dobar je vodič elektriciteta

Lako se lijeva

Velika tvrdoća

Niska gustoća

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koja se boja javlja kod bakra kada se izloži zraku?

Crvena

Plava

Siva

Žuta

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