based on a large 4 cm thick plate that is initially at a uniform temperature of 20°C that is heated by passing it through a space maintained at 500°C. The plate remains in the space for a period of 7 min. Take the heat transfer coefficient to be 120-W/m 2°C. Example 4-4 [k = 110-W/m°C, r = 8530-kg/m3, Cp = 0.380-kJ/kg°C, a = 33.9 x 106 m²/s] %3D %3D The dimensionless distance from center to a point 0.4-cm below the outer surface is 0.5 0.8 none of the above 0.2

based on a large 4 cm thick plate that is initially at a uniform temperature of 20°C that is heated by passing it through a space maintained at 500°C. The plate remains in the space for a period of 7 min. Take the heat transfer coefficient to be 120-W/m 2°C. Example 4-4 [k = 110-W/m°C, r = 8530-kg/m3, Cp = 0.380-kJ/kg°C, a = 33.9 x 106 m²/s] %3D %3D The dimensionless distance from center to a point 0.4-cm below the outer surface is 0.5 0.8 none of the above 0.2

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

based on a large 4 cm thick plate that is initially at a uniform temperature of 20°C that is heated by
passing it through a space maintained at 500°C. The plate remains in the space for a period of 7 min.
Take the heat transfer coefficient to be 120-W/m2°C. Example 4-4
[k = 110-W/m°C, r = 8530-kg/m³, C, = 0.380-kJ/kg°C, a = 33.9 x 10-6 m²/s]
The dimensionless distance from center to a point 0.4-cm below the outer surface is
0.5
0.8
none of the above
0.2

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