Engineering » Page 70

Madison Shannon

Engineering

4. Porcelain enamel is sometimes referred to as A. "glass lining" B. kaolin C. vitreous enamel D. Both A and C.

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Engineering

For a signal that is time limited to 10 ms and has an essential bandwidth of 10 KHz, determine, the number of signal samples necessary to compute a power-of-2 FFT with a frequency resolution of 50 Hz. Explain whether any zero padding is necessary.

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Trevor Blackburn

Engineering

Do you get a better performance using premier gasoline (Octane number 93) for your compact car?

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Engineering

Most economists believe that real economic variables and nominal economic variables behave independently of each other in the long run. For example, an increase in the money supply, a variable, will cause the price level, a variable, to increase but will have no long-run effect on the quantity of goods and services the economy can produce, a variable. The distinction between real variables and nominal variables is known as.

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Engineering

Suppose we would like to predict the duration of an eruption of the Old Faithful geyser in Yellowstone National Park based on the waiting time before an eruption. Fit a simple linear model in R that accomplishes this task. Store the results in a variable called faithful_model. Output the result of calling summary () on faithful_model.

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Engineering

Why is there a ring of satellites around the Earth's equator roughly 22,000 miles away from the Earth?

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Engineering

Calculate the diffusion coefficient for magnesium in aluminum at 500oC. Pre-exponential and activation energy values for this system are 1.2 x 10-4m2/s and 144,000 J/mole respectively. R = 8.314 J/mol K

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Engineering

True or False: Galvanized steel pipe can withstand moderate freezing.

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Brandon Hutchinson

Engineering

Explain in less than 100 words, how you can obtain the young's modulus of a material using a tensile machine.

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Cornelius Patrick

Engineering

The A-36 steel pipe has a 6061-T6 aluminum core. It issubjected to a tensile force of 200 kN. Determine the averagenormal stress in the aluminum and the steel due to thisloading. The pipe has an outer diameter of 80 mm and aninner diameter of 70mm.

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Engineering

stimate the maximum efficiency of an automobile engine that has a compression ratio of 5:1.0. Assume the engine operates according to the Otto cycle and assume γ = 1.4.

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Engineering

Give an example of how the fields of science, technology, and mathematics are commonly used when building a highway.

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Engineering

What is a robot's work envelope?

A.

the protective covering around its control system

B.

the region of space through which its arms can reach

C.

the set of processes that it can perform

D.

the region of space it occupies

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Carina Nicholson

Engineering

Briefly discuss any two that affect the supply of education in Nigeria

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Engineering

Air pollutants produced by mining activities, and their characteristics

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