
POLIZAREA PIESELOR MECANICE
Authored by Razvan Robotin
Instructional Technology, Professional Development, Physics
9th Grade
Used 18+ times

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18 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 5 pts
Pietrele de polizor se pot împărți în funcție de tipul de liant, astfel:
cu liant ceramic
cu liant elastic
cu lian metalic
cu liant bituminos
2.
MULTIPLE SELECT QUESTION
1 min • 5 pts
Polizoarele pot fi:
articulate
fixe
mobile
pendulare
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Verificarea pietrelor de polizor constă în:
verificarea diametrului
verificarea existenței fisurilor
verificarea grosimii
verificarea rezistenței mecanice
4.
MULTIPLE SELECT QUESTION
1 min • 5 pts
Polizarea are loc ca urmare a două mișcări:
mișcarea de rotație a pietrei de polizor și mișcarea de avans executată de piatra de polizor
mișcarea de avans a pietrei de polizor și mișcarea de avans executată de piesa de prelucrat
mișcarea de rotație a pietrei de polizor și mișcarea de avans executată de piesa de prelucrat
mișcarea de rotație a pietrei de polizor și mișcarea de rotație executată de piesa de prelucrat
5.
MULTIPLE SELECT QUESTION
1 min • 5 pts
Polizarea are ca scop creșterea preciziei dimensionale sau finisarea suprafețelor.
Adevărat
Fals
6.
MULTIPLE SELECT QUESTION
1 min • 5 pts
Polizoarele fixe se folosesc pentru curățarea și fasonarea pieselor de mici dimensiuni și la ascuțirea sculelor
Adevărat
Fals
7.
MULTIPLE SELECT QUESTION
1 min • 5 pts
Polizoarele de mână pot fi pneumatice și hidraulice
Adevărat
Fals
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