Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Physics Thermal Properties of Matter Heat transfer
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 gas 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-1 K-1, heat of vaporization of of water = 2256 × 103 J Kg-1 ?
1
283.45° C
2
238.43° C
3
263.49° C
4
203.48° C
5
Question Not Attempted