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Homework10_Solution

# Homework10_Solution - 29 29 29 29 29 29 C r T C mK W m m W...

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BAEN-366 SPRING/09 Homework # 10 Read Chapter 3 Pages 126 – 132 Answer the following questions 1) What is the physical mechanism associated with cooking in a microwave oven? How do conditions differ from a convectional oven? Microwaves excite the water molecules inside the food; they start to vibrate producing energy and internal heat generation. This heat flux goes from inside out through conduction. For a convection oven, the food is cooked from the outside in through convection on the surface of food and conduction inside the food. Solve problem 3-96a ( 29 ( 29 ( 29
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Unformatted text preview: ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 C r T C mK W m m W r T Ts r r k qr r T C Ts C Ts m m W C Ts m K m W r q T Ts r h m W q s hr hrs day m Kg Kgday J Cp q o o o o 065 . 3 ) ( 053 . 3 55 . 6 03 . 29 . 42 ) ( 1 6 ) ( 053 . 3 3 0529 . 3 03 . 4 29 . 42 3 03 . * 4 8 3 4 4 29 . 42 3600 1 24 1 870 4200 * 2 3 2 2 2 2 3 2 2 3 2 3 3 = + = + -= = + = +--= + ∞--= = = π ρ...
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