Anylon pipe has a bore of 50mm and a wall thickness of 5mm. it is covered with insulation 10mm thick. the thermal conductivity of the nylon is 0.25w/mk and for the insulation it is 0.1 w/mk. the inside of the pipe carries hot water at 50°c and the outer surface of the pipe is at 10°c. calculate the heat loss per metre length and the temperature between the two materials.

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

u mhm

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Explanation:

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