Engineering » Page 105

Engineering

What is christmas really about

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Engineering

Info security:

A benefit of a (n) dual-homed host is its ability to translate between many different protocols at their respective data link layers, including Ethernet, token ring, Fiber Distributed Data Interface, and asynchronous transfer mode.

True

False

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Abel Christensen

Engineering

Select all statements that apply to the process of hydraulic fracturing, or "fracking."

a. Hydraulic fracturing allows geologists to capture natural gas stored in the pore spaces of shale.

b. Once the shale is shattered, fractures remain open due to the inherent strength of the shale.

c. Wastewater from hydraulic fracturing is absorbed into the shale indefinitely.

d. Hydraulic fracturing threatens the supply of other natural resources.

e. Some large magnitude historic earthquakes can be traced to the use of hydraulic fracturing.

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Engineering

In order to determine its ultimate tensile strength, a strip of Teflon, 20 mm x 5 mm in cross-section, is subjected to an axial force until rupture occurs at 1.7 kN. What is the ultimate tensile strength of Teflon?

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Engineering

Can the Diesel engine afford to have a large compression ratio? Why?

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Macie Gillespie

Engineering

All air-conditioning units must be grounded electrically to

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Engineering

you are planning to buy a new couch for your family room you measure the available space and conclude that the couch should be between 5" and 6' _ 8" long. at the store you find a couch is 78 inches long. what are the limits on the couch length in inches?

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Engineering

Which of the following results from the fact that skip signals refracted from the ionosphere are elliptically polarized?

A. Digital modes are unusable

B. Either vertically or horizontally polarized antennas may be used for transmission or reception

C. FM voice is unusable

D. Both the transmitting and receiving antennas must be of the same polarization

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Engineering

A wood pipe having an inner diameter of 3 ft. is bound together using steel hoops having a cross sectional area of 0.2 in^2. The allowable stress for the hoops is σallos=11.4 ksi. Determine the maximum spacing s along the pipe so that the pipe can resist an internal gauge pressure of 4 psi.

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Engineering

Which of the following impulse responses correspond (s) to stable LTI systems? (a) h1 (t) = e - (1-2j) ru (t) (b) h2 (t) = e-r cos (2t) u (t)

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Engineering

A completely reversible heat pump produces heat ata rate of 300 kW to warm a house maintained at 24°C. Theexterior air, which is at 7°C, serves as the source. Calculate the rate of entropy change of the two reservoirs and determine if this heat pump satisfies the second law according to the increase of entropy principle.

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Gisselle Garrison

Engineering

3. How are flexible systems useful?

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Engineering

Low-level coding means that ...

a.) a component item is coded at the lowest level at which it appears in the BOM structure

b.) a final item has only a few levels in the BOM structure

c.) the lowest-paid staff member in the production department performs the coding

d.) the code being used is the code for the lowest level in the BOM structure

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Engineering

Define various optical properties of engineering materials

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Engineering

Jen is developing the positioning statement for a new line of sunglasses. In a meeting, the marketing team tells Jen that she has succinctly and clearly expressed the competitive advantage of the new sunglasses brand. The team approves of the way Jen wants to express the brand's competitive advantage, and tells her to continue her work on fully developing the positioning statement. Which element of crafting the positioning statement has Jen's team just approved?

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