La prueba que muchos inge- nieros consideran la prueba de campo más exacta para comprobar la densidad del suelo es la prueba _____.
a. del cono de arena
b. de densidad nuclear
c. de gravedad específica
d. de dureza
Answer: A
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Answer the following statements true (T) or false (F)
1) Hot work is any work that involves welding, cutting, chipping, or any other process that creates sparks. 2) OSHA requires that all organizations develop fire-prevention plans for its approval. 3) Wood, paper, and trash fires are considered Class A fires. 4) The responsibilities of the industrial hygienist include mechanical safeguarding. 5) The OSH Act established specific requirements relating to industrial hygiene.
This type of tolerance is allowed to vary in two directions from the specified dimension.
a. bilateral b. unilateral
Saw blade gage is:
A) Pitch B) Blade length C) Set D) Blade thickness
A pulse-waveform to DC convertor makes use of an integrator:
A) with a time constant shorter than the width of the input pulse. B) with a time constant much wider than the width of the input pulse. C) with an extremely large time constant. D) either B or C