Determine the heat exchange per m² of area a, in the following cases if a, is at 1000 k and a, is at 400 k, both surfaces being black. (i) perpendicular planes 2 mx 1 m size with 2 m being the common edge (ii) perpendicular planes of 2 mx 1 with 1 m being the common edge. (ii) equal coaxial parallel disks of 1 m dia, placed 1 m apart (iii) same as in (iv) but placed 0.5 m apart. (v) concentric circular disks of 1 m dia and 0.5 m dia placed 0.5 m apart with the smaller one as surface a1

explanation:

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the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true?

a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of

5

9

degree celsius.

a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.

a temperature increase of

5

9

degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.

a) i only

b) ii only

c) iii only

d) i and ii only

answer:

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explanation:

answer:

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