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Engineering

Name the main classes of polymer and define their characteristic properties

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Engineering

What happens to the microstructure during tempering? How does the mechanical properties of the steel change due to tempering? How do you perform tempering? What type of steel is usually tempered?

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Jefferson Ramirez

Engineering

How do you keep the weight evenly distributed on a trailered boat?

A. Only store heavy items in the boat

B. Tie down any loose items or equipment in the boat

C. Avoid loading the boat with additional gear

D. Avoid tying down the boat to the trailer

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Engineering

A 4-kW electric heater runs for 2 hours to raise the room temperature to the desired level. Determine the amount of electric energy used in both kWh and kJ.

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Engineering

A specimen has circular cross-sectional area with initial diameter d = 26 mm and a gauge length Lo = 200 mm. A force P = 127 kN elongates the specimen by delta = 3 x 10^-1 mm. The specimen material has yielding strength σy = 350 MPa and shear modulus G = 66 GPa. % Determine the Poisson ratio

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Engineering

What is the atmospheric temperature on Venus if the density is 67 kg/m^3 and the pressure is 9.3 mPa, absolute? Express in °C and °F. The atmosphere is composed of CO2.

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Engineering

In sleep, what does REM stand for?

a

Radical eye movement

b

Random eye maneuver

c

Rapid eye movement

d

Rigid eye motion

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Engineering

Use the graph to determine acceleration and velocity.

Which segments show acceleration?

What is the velocity of segment B?

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Engineering

Products that are in the process of being manufactured but are not yet complete are called:

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Engineering

A deep drawing operation is performed on a sheet-metal blank that is 1/8 in thick. The height of the cup = 3.8 in and its diameter = 5.0 in (both inside dimensions). (a) Assuming the punch radius = 0, compute the starting diameter of the blank to complete the operation with no material left in the flange. (b) Is the operation feasible (ignoring the fact that the punch radius is too small) ?

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Engineering

What two principal narrative threads are woven together to provide the setup in Stagecoach? Group of answer choices A road film through dangerous territory combined with a revenge story The love story of Dallas and Doc Boone combined with a revenge story A road film through dangerous territory combined with the love story of Dallas and Doc Boone A crime story, that of Mr. Gatewood's $50,000 theft, combined with the Ringo Kid's drive to kill Geronimo

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Engineering

Annie has collected several items from around her house. She is using these objects to investigate which objects are attracted to magnets and which ones are not. Which item should Annie expect to be attracted to her magnet?

A) ice cube

B) metal screw

C) leather glove

D) notebook paper

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Engineering

A new gel is being developed to use inside padding and helmets to cushion the body from impacts. The gel is stored in a 4.5 cubic meters [m cubed ]cylindrical tank with a diameter of 2 meters [m]. The tank is pressurized to 1.2 atmosphere [atm] of surface pressure to prevent evaporation. A total pressure probe located at the bottom of the tank reads 58 feet of water [ft H2O ]. What is specific gravity of the gel contained in the tank?

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Engineering

The two ways to solve trusses is method of sections and method of joints. a) - True b) - False

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Engineering

What is the unit of electric current?

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