Question

A brass boiler has a base area of 0.2 m2 and

thickness 1.0 cm. It boils water at the rate of 6.0 kg/min when placed on a stove. Calculate the temperature of the part of the flame in contact with the boiler. Also the temperature at which water boils is 100° C Thermal conductivity of brass 109 Js-1 m-1K-1, heat of vaporization of water = 2256 × 103 J

A 283.45°C

B 238.43 °C

C 263.49 °C

D 203.48°C

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AAI ATC JE

Question

A brass boiler has a base area of 0.2 m2 and

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