A 2kW stainless-steel electrical kettle with capacity 2 liters is used to obtain steam from tap water. The ambient temperature of the water is 20°C, heat of vaporization of water is 2256 kJ/kg and specific heat coefficient of water is 4287 J/kg°C. Thermal resistance of the kettle is 10W/°C. a. How long it will the water to reach the boiling temperature? b. How long it will take to obtain 500 g steam?
A 2kW stainless-steel electrical kettle with capacity 2 liters is used to obtain steam from tap water. The ambient temperature of the water is 20°C, heat of vaporization of water is 2256 kJ/kg and specific heat coefficient of water is 4287 J/kg°C. Thermal resistance of the kettle is 10W/°C. a. How long it will the water to reach the boiling temperature? b. How long it will take to obtain 500 g steam?
Chapter19: Special-purpose Outlets-water Pump, Water Heater
Section19.2: Water Heater Branch Circuit
Problem 8R: For residential water heaters, the Consumer Product Safety Commission suggests a maximum temperature...
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