A vessel holding 100 litres of water has a 20 heating element connected to a voltage of 240 V. The 5 mm thick vessel wal

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A Vessel Holding 100 Litres Of Water Has A 20 Heating Element Connected To A Voltage Of 240 V The 5 Mm Thick Vessel Wal 1 (55.46 KiB) Viewed 36 times

A vessel holding 100 litres of water has a 20 heating element connected to a voltage of 240 V. The 5 mm thick vessel walls are made of an insulating material with a thermal conductivity of 0.3 W/m.k, and the vessel has a surface area of 1 m². The air surrounding the vessel is 20°C. Determine the rate the water temperature initially increases. (assume a uniform temperature increase within the vessel). Provide answer in K/s. You will have the opportunity to upload your working at the end of this question Helpful relationships: Electrical power in Watts = (voltage) resistance [Equ Heat capacity of water, Cp = AQ = 4200 J kg-1K-1 m.At [Equ 1 watt = 1 joule per second [Equ