La ubicación del centro de gravedad de una grúa con respecto a su fulcro basculante afecta directamente su______.
a. peso y carga
b. compresión
c. cuadrante de operación
d. balanceo y estabilidad
d. balanceo y estabilidad
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What are the responsibilities of an officer-in-charge?
What will be an ideal response?
In an insulated wall metal panel, the insulation is sandwiched between __________.
A) a metal sheet on both sides. B) a metal sheet in the front and an acrylic sheet at the back of the panel. C) a metal sheet in the front and a fiberglass scrim at the back of the panel. D) none of the above.
Technician A says one wrench is sufficient when loosening a flare-nut. Technician B says embossed steel gaskets should be installed with the embossed side toward the block. Who is right?
A. Technician A B. Technician B C. Both technicians D. Neither technician
Herbicide use usually is best suited to large gardens or for the purpose of controlling established stands
of persistent:
a. predatory insects c. shallow roots b. soil-borne diseases d. perennial weeds