
2.roč. - BEK - Žiaruvzdorný betón
Authored by Zuzana Zuzana
Education
10th Grade - University
5 Questions
Used 2+ times

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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Označ tri výhody žiaruvzdorného betónu:
mrazuvzdornosť
tepelnoizolačná funkcia
odolnosť voči vysokým teplotám
nízka hmotnosť oproti bežným betónom
nosná funkcia
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Akej teplote musí odolávať žiaruvzdorný betón používaný v priemysle?
1200 °C
1500 °C
2100 °C
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Označ tri druhy umelého kameniva vhodného ako plnivo do žiaruvzdorného betónu:
drvený šamot
korund
pieskovec
expandovaný polystrén
bauxit
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ktorá prísada dokáže zabezpečiť chemickú odolnosť žiaruvzdorného betónu?
drvená pálená tehliarska hlina
elektrárenský popolček
vodné sklo
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Do akých teplôt je odolný ohňovzdorný betón?
do 300 ° C
do 1500 ° C
do 900 ° C
do 600 ° C
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