Todos los tipos de cuerpos de tuberías eléctricas siguientes pueden utilizarse como punto de acceso para tuberías eléctricas que requieran un cambio de dirección de 90° EXCEPTO:

a. LL.
b. LB.
c. X.
d. C.


d. C.

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Who administrates Right to Know legislation?

A. EPA B. MSDS C. ANSI D. OSHA

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____________________ is a method of braking a motor where the motor is brought to a rapid stop by forcing it to rotate in the opposite direction from the direction in which it was running.

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

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This joint is recommended, on aluminum alloys, when welding pipe or any time the weld is accessible from only one side:

A) Standard V joint B) V-groove with backing C) Extended land bevel D) None of the above

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The four outputs of a 7493 4-bit binary counter are Q0, Q1, Q2, and Q3. Which modulus results if Q0 is tied to Clock 1 and Q1 and Q3 are tied to MR1 and MR2? (Assume input on Clock 0.)

A) MOD-9 B) MOD-5 C) MOD-10 D) MOD-11

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