Ievads. Mitrums.

Ievads. Mitrums.

University

5 Qs

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Ievads. Mitrums.

Ievads. Mitrums.

Assessment

Quiz

Education

University

Practice Problem

Medium

Created by

Inese Fil

Used 3+ times

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kādas ir koksnes galvenās ķīmiskās sastāvdaļas?

olbaltumvielas, vitamīni

hemicelulozes, spirti, cukurs

celuloze, lignīns, hemicelulozes

ekstraktvielas, minerālvielas

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mitrā koksnē šūnu dobumos un starpšūnu telpā atrodas ūdens. Tas ir...

Saistītais ūdens

Kapilārais jeb brīvais ūdens

Minerālūdens

Koksnē nav ūdens!!!

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koksnes šūnu sieniņās atrodas...

brīvais jeb kapilārais ūdens

saistītais ūdens

koksnē nav ūdens!!!

minerālūdens

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Gaissausas koksnes mitrums ir

5%

30%

45-50%

8-12%

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koka klucītis sver 100 g, tā relatīvais mitrums 50%. Cik ir tā absolūti sausa masa?

10 g

50 g

2g

25g

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