A resistance heater is placed inside a rigid insulated tank containing 0.25 kg of nitrogen for the purpose of heating the nitrogen. A current of 0.3 Amps is supplied to the heating element that has a resistance of 60 Ohms. a. Find the time required for the heater to provide 1500 Joules. b. Find the temperature rise in the nitrogen. (Use appropriate specific heat corresponding to a temperature of 300 K).

A resistance heater is placed inside a rigid insulated tank containing 0.25 kg of nitrogen for the purpose of heating the nitrogen. A current of 0.3 Amps is supplied to the heating element that has a resistance of 60 Ohms. a. Find the time required for the heater to provide 1500 Joules. b. Find the temperature rise in the nitrogen. (Use appropriate specific heat corresponding to a temperature of 300 K).

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter4: Numerical Analysis Of Heat Conduction

Section: Chapter Questions

Problem 4.35P

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