Virtual Labs

A red brick wall of length 5.9 m, height 3.7 m and thickness 0.23 m, if the temperature of the wall surface are maintained at 107°C & 40°C respectively.The conductivity of brick is 0.7 W/m-K.

Q = \frac{KA}{b}(T_1 - T_2) \text{ is equal to?}

a: 4103.421 W Explanation

Explanation

b: 4451.421 W Explanation

Explanation

c: 8023.311 W Explanation

Explanation

d: 1212.95 W Explanation

Explanation

A hollow cylinder L = 1 m long, the inner and outer surface temperature are 104°C and 28°C.If the inner and outer radii are r1 = 4.4 cm & r2 = 11.1 cm. Take conductivity of material 22W/m-K. Find the log mean area

Ae = \frac{2 \pi L (r_2 - r_1)}{ln\left(\frac{r_2}{r_1}\right)}

0.425 \ m^2

Explanation

0.487 \ m^2

Explanation

0.442 \ m^2

Explanation

0.455 \ m^2

Explanation

Introduction to Conduction