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
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
____________________ 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).
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