Find the equation that best fits the following set of data points. Compare the actual and predicted y values.
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Air at 200 kPa and 30ºC is contained in a 4-m3 rigid volume; it is heated with a 100-? resistance heater that operates across an electric potential of 100 V for 20 minutes. The temperature rise of the air is nearest:
A) 36ºC B) 30ºC C) 24ºC D) 18ºC
Use Data Sheet 5. Refer to the figure. If the total run is 60", the offset is 12", with 1" threaded pipe, what is the e-e measurement of J?
Fill in the blank(s) with the appropriate word(s).
Technician A says a temperature-controlled fan clutch is controlled by a spring that shrinks when it is heated and expands when it is cooled. Technician B says that electric fans found on many late model cars sometimes run after the engine is shut off. Who is correct?
A. Technician A B. Technician B C. Both technicians D. Neither technician
Sam used a 36-foot air drill with 18-centimeter rows to plant his 375 acres of soybeans. He planted 15 acres per hour using 0.93 gallon of diesel fuel per acre. Diesel fuel sells for $3.73 per gallon.
a. What is the width of the rows in inches? b. How many hours did it take to plant the soybeans? c. What speed did he travel? d. What was the cost of the fuel?