WorksheetsQuizizz 11
Total questions: 6
Worksheet time: 5mins
Name
Class
Date
1.
Condensation will
a)
Heat a surface
b)
Cool a surface
2.
Consider an air cavity with a heated floor and cooled ceiling. What will the Nusselt number be in relation to heat transfer from the hot floor?
a)
Nu > 1
b)
Nu = 1
c)
Nu < 1
3.
Consider an air cavity with a cooled floor and heated ceiling. What will the Nusselt number be in relation to heat transfer from the hot ceiling?
a)
Nu > 1
b)
Nu = 1
c)
Nu < 1
4.
Radiation must be considered in which boiling regime:
a)
Free convection
b)
Nucleate
c)
Film
5.
In the boiling example shown, what is ΔTe?
a)
155 °C
b)
205 °C
c)
50 °C
d)
100 °C
6.
In the condensation problem shown, what is the relation between h'fg and hfg?
a)
h'fg > hfg
b)
h'fg < hfg
c)
h'fg = hfg
d)
Not enough information
100 %
