As the car slows down, the brake shoe and steel drum continuously absorbs 25 W. Assume a total outside surface area of 0.1 m2 with a convective heat transfer coefficient of 10 W/Km2 to the air at 20¬¨¬®‚Äö√†√ªC. How hot does the outside brake and drum surface become when steady conditions are reached?#

As the car slows down, the brake shoe and steel drum continuously abso

1.	As the car slows down, the brake shoe and steel drum continuously absorbs 25 W. Assume a total outside surface area of 0.1 m2 with a convective heat transfer coefficient of 10 W/Km2 to the air at 20¬¨¬®‚Äö√†√ªC. How hot does the outside brake and drum surface become when steady conditions are reached?#
A.	25¬¨¬®‚Äö√†√ªC
B.	35¬¨¬®‚Äö√†√ªC
C.	45¬¨¬®‚Äö√†√ªC
D.	55¬¨¬®‚Äö√†√ªC
Answer» D. 55¬¨¬®‚Äö√†√ªC

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