Ievads. Mitrums.
Authored by Inese Fil
Education
University
Used 3+ times
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5 questions
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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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