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Math Help - Related pressure/Temperature

  1. #1
    VkL
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    Related pressure/Temperature

    The pressure in a cerain process is related to the temperature by the equation p(psi) = 12.0T(Degrees F) + 3.00

    If the temperature of the process is 120 + or - 10 degrees F,Calculate the pressure (in psi) and the uncertainty
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    Quote Originally Posted by VkL View Post
    The pressure in a cerain process is related to the temperature by the equation p(psi) = 12.0T(Degrees F) + 3.00

    If the temperature of the process is 120 + or - 10 degrees F,Calculate the pressure (in psi) and the uncertainty
    Substutite the values

    T_1 = 110, T_2 = 120 \;\; \text{and}\;\; T_3=130 into your formula giving

    P_1 = 1323, P_2=1443,\;\; \text{amd}\;\; P_3=1563

    So the pressure is 1443 with a tolerance of \min(P_2-P_1,P_3-P_2) which in your case is 120.
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