Feedforward control replaces feedback control because it prevents disturbances before they occur.
Answer the following statement true (T) or false (F)
False
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A certain commercial jet plane uses a mean of 0.15 gallons of fuel per passenger-mile, with a standard deviation of 0.01 gallons.
a. Find the mean number of gallons the plane uses to fly 8000 miles if it carries 210 passengers. b. Assume the amounts of fuel used are independent for each passenger-mile traveled. Find the standard deviation of the number of gallons of fuel the plane uses to fly 8000 miles while carrying 210 passengers. c. The plane used X gallons of fuel to carry 210 passengers 8000 miles. The fuel efficiency is estimated as X/(210× 8000). Find the mean of this estimate. d. Assuming the amounts of fuel used are independent for each passenger-mile, find the standard deviation of the estimate in part (c).
Which French colony’s civil war was witnessed by Frantz Fanon, author of the anticolonial text The Wretched of the Earth?
a. Tunisia b. Senegal c. Indochina d. Algeria
Comparing premium fuel to regular fuel, the burn time of premium fuel is _____.
A. significantly shorter B. only slightly shorter C. longer D. nearly the same
What is located on the end of a heat exchanger and is where the flow of fluids is directed into and out of the tubes?
A. Shell B. Tubesheet C. Tube bundle D. Exchanger head