_____ se utilizan para fabricar cubiertas para válvulas con brida.

a. Las rebordeadoras
b. Las plegadoras
c. Las máquinas para uniones Pittsburgh
d. Todas las anteriores.


d. Todas las anteriores.

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Technician A says that high frequency vibrations are likely to be heard rather than felt. Technician B says that engine related vibrations vary with engine speed. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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Use PSpice to find the Fourier components of the signal in Prob. 17.7.

What will be an ideal response?

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The device often used as an electronic switch in many applications is the:

A) SPST. B) diode. C) SCR. D) SPDT.

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In a right triangle, the sine of an angle is equal to the adjacent side divided by the hypotenuse.

Answer the following statement true (T) or false (F)

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