Fraafrafraaa
Engineering Knowledge Quiz
Test your expertise in mechanical engineering with our challenging quiz! Designed for professionals and students alike, this quiz covers various topics related to material properties, thermal treatments, and precision in engine components.
- 10 questions to assess your understanding
- Multiple-choice format for ease of answering
- Perfect for engineers, mechanics, and students
Cu ce se aliaza otelul in proportie de 0,2-,25% pentru realizarea arborilor
Cr,Ni,Mb,Ti,Mn,Vn
W,C,H,Po,Al,Pb,He
Zn,Cu,Au,Ag
Nu se aliaza ca sunt prea smecheri sa se alieze
La camasile de cilindru care este cel mai utilizat material?
Fonta cenusie aliata cu grafit nodular
Fonta cenusie aliata cu crom
Fonta cenusie aliata cu aluminiu
Tratamentul termic al camasilor de cilindru realizate din fota aliata ?
Se calesc in ulei 850*C si o revenire 300*C
Se calesc in CIF sau cromare interiora
Se nitrureaza cu un strat de 0,5-0,6 mm
La blocul motor denivelarea maxima admisa este ?
0,5 mm/150-200mm sau 0,1mm pe ntreaga distanta
1mm/150-200mm sau un 1 mm pe intreaga distanta
0,5 mm/100-200mm sau 0,2 mm pe intreaga distanta
Suprafata de etansare oentru supape trebuie sa fie egala cu ?
Admisie 1,5-2mm evacuare 1,8-2,5mm
Admisie 1,6-2mm evacuare 1,6-2,5mm
Admisie1,6-2 mm evacuare 1,8-2,5 mm
Tratamentul termic la camasile de cilindru realizate din fonta aliata care sunt nitrurate cu un strat de 0,5-0,6 mm duritatea este?
HB 800-1000
HB 350-400
HB800-900
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