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You are preparing a spaghetti dinner for guests when you realize that your heat transfer training...

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Mechanical Engineering

  1. You are preparing a spaghetti dinner for guests when yourealize that your heat transfer training can be used to answer somefundamental questions about the process. The pot you are usingholds four liters of water. The atmospheric pressure is 101 kPa.When on its high setting, the electric stove heating unit consumes1.8 kW of electrical power of which 20% is transferred to thesurroundings, rather than to the water. The pot is made of 4 mmthick polished AISI 304 stainless steel and it has a diameter of0.25 m. The burner diameter is also 0.25 m.

a.) How much time is required to heatthe water from 15 â—¦C to its boiling temperature?

b.) What are the temperatures of the outside and inside surfacesof the bottom of pot while the water is boiling?

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