
Vâscozitatea - test
Authored by Daniela Andronache
Chemistry
9th - 12th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fizicianul francez Jean-Louis Poiseuille, cel care a dat denumirea unității de măsură pentru vâscozitatea dinamică, a fost și:
medic
biolog
chimist
inginer
tâmplar
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vâscozitatea cinematică a unui fluid este raportul dintre vâscozitatea dinamică și:
presiune
volum
debit
densitate
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vâscozitatea cinematică se notează cu litera grecească:
miu
niu
ro
omega
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pentru a măsura vâscozitatea cinematică prin folosirea vâscozimetrului Ubbelholde este necesar un:
densimetru
termometru
cronometru
manometru
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
În Sistemul Internațional, unitatea de măsură pentru vâscozitatea dinamică se numește:
pascal pe secundă
pascal•secundă
poise
pascal
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pentru menținerea constantă a temperaturii, vâscozimetrul Hoppler este prevăzut cu un:
termostat
termocuplu
termograf
termometru
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Eprubeta calibrată din componența vâscozimetrului Hoppler este înclinată față de verticală cu:
8°
10°
12°
15°
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