On the assumption that the self?diffusion coefficient of a simple cubic metal whose lattice constant, a, equals 0.300 nm is given by the equation:


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An air sonar detects the echo TOF from an object to be 10 milliseconds. The object range equals ___(x.xx) m.

Fill in the blank(s) with the appropriate word(s).

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Anchor points must have a minimum tensile strength of _____.

a. 250 pounds for each worker attached b. 500 pounds for each worker attached c. 1,000 pounds for each worker attached d. 5,000 pounds for each worker attached

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The most used scale by architiects and engineers is?

A. 10 B. 20 C. 30 D. 40

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 Technician A saysThe KIA Optima uses active hydraulic brakes. Technician B says this system uses a brake pedal position sensor to determine the amount of braking force needed. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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