Section lines at 30° with horizontal upward to the right and 12.5 mm (.50") apart are
required. First find center of space by drawing
diagonals in very light construction lines.
Through center draw construction line 60° with
horizontal upward to the left and, beginning at
the center, set off 12.5 mm (.50") intervals. Draw
required section lines through these points to fill
space.

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Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k