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4.4 Homework Problems: Interpolation on Linear Equations

1. Find the corresponding y value given the ordered pairs and x value

a.   (4,100) and (20, 420) where x = 12

y = _______________________________

b.  (1, 30) and (5,300) where x = 3.5

y = _______________________________

c.  (0,32) and (10, 212) where x = 8

y = _______________________________

d.  (0, 0) and (4095, 100) where x = 3010

y = _______________________________

 

2.  If you have a temperature transmitter with an operating range of -40 to 150 °C and it outputs a value of 4 – 20 mA. Find the temperature value if the transmitter is outputting 10 mA

Ordered pairs: ___________________________________

Equation: __________________________________

Temp value at 10 mA = _______________________________________

 

 

3.  If you have a pressure transmitter with an operating range of 30 to 3000 psi and it outputs a 1 to 10 V signal, what would be the corresponding pressure value if the transmitter is outputting 4.97 V

Ordered pairs: ___________________________________

Equation: __________________________________

Pressure value at 4.97 V = _______________________________________

 

4.  If you have a pressure transducer that is designed for a 4-20 mA output, and has an operating range of 3-15 psi, what would the corresponding pressure be if the current is measured at 12 mA?

Ordered pairs: ___________________________________

Equation: __________________________________

Pressure value at 12 mA = _______________________________________

 

Unit 4.4 Homework Printable Copy

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