An aircraft fuselage is 180" in diameter to the midplane of the skin, which is 0.063" thick 7075-T6 Al Sheet (Ftu=79 ksi, E=10.5 Msi). If the aircraft is pressurized each flight to a maximum differential pressure of 9.1 psi, and a factor of safety of 2.0 is required for evaluating static strength against ultimate pressure, assume the skins carry the pressure load alone (frame assistance is negligible) & determine the maximum ultimate principal stresses in the skin, and the minimum ultimate (static) margin of safety.

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:

yes that is right have a good day

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answer:

a

explanation: