A 2 cm thick steel slab heated to 525° C is held in air stream having a mean temperature of 25° C. determine the time interval when the slab temperature would not depart from the mean value of 250 C by more than 0.5° C at any point in the slab when Boit Number = Bi = 0.0078, Fourier number = Fo = 0.127 T O 9573 sec O 6907 sec O 885 sec 6973 sec

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A 2 cm thick steel slab heated to 525° C is held in air stream having a mean temperature of 25° C.
determine the time interval when the slab temperature would not depart from the mean value of 250
C by more than 0.50 C at any point in the slab when Boit Number = Bi = 0.0078, Fourier number =
Fo = 0.127 T
9573 sec
6907 sec
885 sec
6973 sec
Transcribed Image Text:A 2 cm thick steel slab heated to 525° C is held in air stream having a mean temperature of 25° C. determine the time interval when the slab temperature would not depart from the mean value of 250 C by more than 0.50 C at any point in the slab when Boit Number = Bi = 0.0078, Fourier number = Fo = 0.127 T 9573 sec 6907 sec 885 sec 6973 sec
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