
Z999
Authored by M Diana
Chemistry
9th Grade
Used 2+ times

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14 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Clasarea este operația de separare, după dimensiuni, a particulelor unui material solid in:
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Clasarea prin separarea particulelor pe baza diferenței de volum se numește:
sortare
cernere
separare pneumatică
clasare gravimetrică
clasare volumetrică
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Elementele componente ale utilajului sunt:
carcasa
manta
bile
valțuri
arc
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ciururile au deschideri de dimensiuni:
mai mari de 1 mm
mai mici de 0,5mm.
mai mici de 1 mm
mai mari de 1cm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identificați elementul component notat cu 2 din schița utilajului:
picior elastic
suprafață de cernere
arbore cu excentric
bielă
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Moara cu bile prezintă o serie de avantaje:
grad ridicat de mărunțire
funcționare silențioasă
consum redus de energie
utilizare simplă
productivitate mare
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Elementul component notat cu 1 al utilajului din imagine este:
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