A Steam pipe 20 cm in diameter is protected with a covering 6 cm thick for which the thermal conductivity is k-0.0003 in steady state. Find the heat lost per 2 hours through 2 meters long pipe, if the surface of the pipe of the pipe is at 300°C and outer surface of the covering is at 50°C
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Answer:
Step-by-step explanation:
Amount of heat lost per hour is 137058.5707 cal
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Concept Introduction: Calorimetry is the basic concept of Heat and Thermodynamics.
Given:
We have been Given: Diameter of Steam pipe is
Thickness of insulation is
Time is
Length of pipe
Temperature of inner surface of pipe is
Temperature of outer surface of pipe is
To Find:
We have to Find: Find the heat lost per two hours.
Solution:
According to the problem,
Therefore Heat lost is,
therefore, putting the values in place, we get,
therefore in Two hours it will be,
Final Answer: Heat lost per two hours is
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