Engineering
Engineering, 31.10.2019 06:31, suzi11

Airodyne wind, inc., has wind tunnels that can operate vertically or horizontally for evaluating the effects of air flow on a component’s pcb response and reliability. the company expects to build a new tunnel that will be outfitted with multiple sensor ports. for the estimates below, calculate the equivalent annual cost of the project. first cost $-500,000replacement cost, year 2 $-400,000aoc per year $-910,000salvage value $255,000life, years 5interest rate 14%

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English, 23.09.2019 02:30, slrich21
20 ! will 1. which of the following best summarized the main idea of the passage? * a. “researchers use wind tunnels to learn more about how an aircraft will fly.” (paragraph 1) b. “special instruments are often used to measure the force of the air on the object.” (paragraph 2) c. “nasa engineers tested ideas for the design of ares in wind tunnels.” (paragraph 6) d. “long after the first design work is finished, nasa can still use wind tunnels.” (paragraph 7) 2. which key detail the reader understand the importance of using wind tunnels? * a. wind tunnels can move air more than 4,000 miles per hour. b. wind tunnels are design tools that make safer aircraft vehicles. c. wind tunnels can create different atmospheres. d. wind tunnels are large tubes that show how air moves. 3. the statement that “nasa also works with others that need to use wind tunnels” most strongly suggests that * a. many different groups are developing space shuttles b. nasa hopes to buy vehicles made by other agencies c. nasa has the largest wind tunnels in existence d. many companies do not have their own wind tunnels 4. the most important feature of a wind tunnel used to test vehicles that can land on mars is the ability to test how * a. gravity affects vehicles b. a thin atmosphere affects vehicles c. high-speed winds affect vehicles d. freezing temperatures affect vehicles 5. which sentence from the passage best explains why nasa uses wind tunnels to test spacecraft models? * a. “these vehicles are made to operate in space.” (paragraph 5) b. “spacecraft and rockets have to travel through the atmosphere to get to space.” (paragraph 5) c. “they needed to know what would happen to different designs when the spacecraft came back through the atmosphere.” (paragraph 6) d. “some are only a few inches square, and some are large enough to test a full-size airplane.” (paragraph 9) 6. which sentence from the passage best explains how a wind tunnel works? * a. “nasa uses wind tunnels to test scale models of aircraft and spacecraft.” (paragraph 1) b. “the object to be tested is fastened in the tunnel so that it will not move.” (paragraph 2) c. “the air moving around the still object shows what would happen if the object were moving through the air.” (paragraph 2) d. “smoke or dye can be placed in the air and can be seen as it moves.” (paragraph 2) backnext
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