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Hot water at an average temperature of 70°C is flowing over a 15-m section of a cast iron pipe (k = 52 W/m·K) whose inner and outer diameters are 4 cm and 4.6 cm, respectively. The inner surface of the pipe exchanges heat by convection and radiation to the cold air at 10°C inside the pipe, with a convective heat transfer coefficient of 15 W/m2·K and heat transfer coefficient for radiation is 6.157 W/m2·K. The heat transfer coefficient at the outer surface of the pipe in the hot water side is 120 W/m2·K, Draw the thermal resistance network and determine the rate of heat loss from the hot water.

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Please assist with this practice question with explanation on how to do it. Thank you. Practice number 10 please.

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please show the steps of what they do here i do not understand thanks

QUESTION 6 Select the type of this mechanism below: L2 02 L3 А L1 C L4 O Crank-rocker O Triple rocker O Crank-crank O Slider-crank