Free Printable IX G Polizarea

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Worksheets

IX G Polizarea

Total questions: 6

Worksheet time: 3mins

Name

Class

Date

1.

Sculele cu care se realizeaza polizarea

a)

Tarozi

b)

Pietre abrazive

c)

Burghie

2.

Scopul polizarii

a)

finisarea

b)

inlaturarea adaosului de prelucrare

c)

gaurirea piesei

3.

Pietrele abrazive sunt constituite din materiale abrazive si liant, A/F ?

a)

Adevarat

b)

Fals

4.

Liantii ceramici sunt:

a)

argila, caolin si cuart

b)

aliajele de Cu

5.

Material abraziv

a)

bachelita

b)

carbura de siliciu

6.

Tipul petrelor abrazive dupa forma

a)

cilindrica

b)

oala

100 %

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