Q3: In iron whose base plaet is mad aluminum alloy is turn on : The time for the plate temperature to reach 140°C. Determine the plate temperature which is to be uniform at all times . Take for the aluminum p=2770 kg/m, C,=875 kJ/kg."C, a=7.3 m/s. The thermal conductivity of the plate k-177 W/m."C Air 22°C Ans : 51.8 °C IRON 1000 W * 11111
Q3: In iron whose base plaet is mad aluminum alloy is turn on : The time for the plate temperature to reach 140°C. Determine the plate temperature which is to be uniform at all times . Take for the aluminum p=2770 kg/m, C,=875 kJ/kg."C, a=7.3 m/s. The thermal conductivity of the plate k-177 W/m."C Air 22°C Ans : 51.8 °C IRON 1000 W * 11111
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Transcribed Image Text:Qs: In iron whose base plaet is mad aluminum alloy is turn on : The time for the plate
temperature to reach 140°C. Determine the plate temperature which is to be uniform at
all times . Take for the aluminum p-2770 kg/m, C,-875 kJ/kg."C, o=7.3 m'/s. The
thermal conductivity of the plate k=177 W/m.°C
Air
22°C
Ans : 51.8 °C
IRON
1000 W
11t t t
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