A thermostat control with dial markings from 0 to 200 is used to regulate the te

Question

A thermostat control with dial markings from 0 to 200 is used to regulate the temperature of an oil bath. A calibration plot on logarithmic coordinates of the temperature (°F) versus the dial setting R is a straight line that passes through the points (R1= 15.0, T1 = 110.0 °F) and (R2=60.0, T2=250.0 °F).

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Problem 3.66 Thermostat Your answer is partially correct. Try again. A thermostat control with dial markings from 0 to 200 is used to regulate the temperature of an oil bath. A calibration plot on logarithmic coordinates of the temperature PF versus the dial setting R is a straight line that passes through the points R1-15.0, T1 = 110.0 a. In the equation T(PF) = ARO, what are the values of A and b? and R2-60.0 T2=250.0 oF 192.25 59 b. Estimate the thermostat setting need to obtain a temperature of 360.0°F. 111.83 c. Estimate the thermostat setting needed to obtain a temperature of 120.0°C. 59.496 SHOW HINT GO TUTORIAL

Explanation / Answer

Given equation

T1 = 110°F

R = 15

b = 0.59

T = A (R)b

110 = A (15)0.59

110 = A x 4.9418

A = 22.259 °F

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