B4INS Ventilation - Luftstrømme
Quiz
•
Science
•
University
•
Medium
Lisbet Holst
Used 3+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvad har størst indflydelse på strømningerne i rummet?
Indblæsningen (tilluft)
Udsugningen (fraluft)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
'Kastelængden' betyder afstanden fra armaturet til ......
...gulvet.
...hvor hastigheden er faldet til 0 m/s.
...hvor hastigheden er faldet til 0,2 m/s.
...siddende person.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvis armaturets åbningsareal bliver mindre vil indblæsningsstrålen blive:
Længere
Kortere
Uændre
Koldere
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvis luftmængden gennem armaturet bliver mindre vil strålen bliver:
Længere
Kortere
Uændret
Koldere
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Armaturet på billedet giver følgende stråle:
Plan fristråle
Radial fristråle
Radial vægstråle
Plan vægstråle
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvis indblæsningstemperaturen er 20°C og rumtemperaturen er 20°C kaldes indblæsningen
Ikke isoterm
Underkøles
Isoterme
Overtemperatur
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