Kaj se po navadi zgodi z jeklom, če je zelo ohlajeno?

SIST EN 10027-1

Quiz
•
Other
•
1st Grade
•
Medium
Gregor Gojkošek
Used 1+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Postane krhka
Postane bolj žilava
Izboljšajo se ji mehanske lastnosti
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kako je označena meja tečenja v standardu EN za jekla?
Z barvno oznako
Z zaporedno številko
Z logotipom proizvajalca
Z imenom elementa
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kaj predstavlja številka v oznaki jekla "S235"?
Debelino jeklene plošče
Minimalno mejo tečenja v megapaskalih (MPa)
Maksimalno obremenitev jekla
Proizvajalčevo številko serije
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Katera vrsta jekla ima mejo tečenja 355 MPa?
S235
SS355
S420
S500
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Za katero aplikacijo bi najverjetneje uporabili jeklo z oznako "S420"?
Gradnja mostov
Avtomobilska industrija
Splošna konstrukcija
Letalska industrija
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kaj pomeni, če jeklo doseže mejo tečenja?
Začne se taliti
Deformira se brez vračanja v prvotno stanje
Postane magnetično
Postane prozorno
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
V standardu EN za označevanje jekel se meja tečenja (Yield Strength) označuje s številko, ki sledi oznaki vrste jekla. Ta številka predstavlja minimalno mejo tečenja v ________ (MPa).
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