
CURĂȚAREA; DECAPAREA, DEZIZOLAREA_2
Instructional Technology
9th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Decaparea este o metodă de curațare pe cale:
chimică
hidraulică
manuală
mecanică
termică
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Prin tobare se pot curăța piese cu:
dimensiuni mici
pereți subțiri
formă complexă
suprafață mare
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
După decapare, piesele se neutralizează în soluție de carbonat de:
amoniu
calciu
potasiu
sodiu
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
După tobare, piesele se curăță prin:
folosirea de apă sub presiune
imersarea în soluție de acid
spălare cu apă curgătoare
suflare cu aer comprimat
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Instalațiile de tobare sunt acționate:
electrohidraulic
electromagnetic
electromecanic
electropneumatic
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Curățarea hidraulică a pieselor metalice utilizează un jet de:
acid sub presiune
apă sub presiune
oțet sub presiune
ulei sub presiune
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Cuva instalației de decapare cu acid sulfuric este confecționată din:
bronz
fontă
oțel
plumb
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