
9-M2-fire
Authored by Ana-Cristina Manea
Specialty
9th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Prin torsionare firelor li se
crește lungimea și diametrul
li se reduce lungimea și li se crește diametrul
reduce lungimea şi diametrul
reduce lungimea și rezistența
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
După structură firele pot fi
din bumbac sau tip bumbac
simple sau multiple
crude sau finisate
filate sau filamentare
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
După materia primă firele pot fi
din bumbac sau tip bumbac
simple sau multiple
livrate pe bobine
filate sau filamentare
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cel mai subțire dintre următoarele este firul care are finețea
Nm 30
Nm 10
Nm 50
120
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un fir cu masa m=2g și lungimea L=1000m are finețea
Nm 100
Nm 50
Nm 500
Nm 250
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Torsiunea firelor este caracterizată de numărul de .......... pe unitatea de lungime și de sens
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un fir cu torsiune Z este considerat cu răsucire spre dreapta
Adevărat
Fals
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