The thermal conductivity of silver at 212°F is 238 Btu/(h ft °F). What is the conductivity in SI units?
GIVEN
- Thermal conductivity of silver (k) = 238 Btu/(h ft °F)
FIND
- Thermal conductivity of silver in SI units: W/(m K)
The conversion can be done one unit at a time
If the appropriate conversion factor is available, the whole group of units can be converted in one step
You might also like to view...
For the fin shown, write the necessary node equations to solve for the nodal temperatures. Assume that the initial temperature throughout the fin is 250ºC. The surrounding ambient temperature is 10ºC and the convective heat transfer coefficient is 200 W/m^2 K.
Which of the following happens when a star runs out of hydrogen at its center?
A) The core of the star expands. B) The outer layers of the star heat up. C) The star moves toward the lower left in the Hertzsprung-Russell diagram. D) The stellar core becomes almost pure helium
The Doppler Effect is the apparent change in:
a) Speed b) Light c) Sound d) Frequency
The force a magnetic field exerts on a current-carrying wire is maximum when the wire is oriented
A) parallel to the magnetic field. B) perpendicular to the magnetic field. C) either of these D) neither of these