La norma que establece los requisitos mínimos para la instalación segura de sistemas eléctricos es:
a. OSHA 29 CFR, Parte 1910.
b. OSHA 29 CFR, Parte 1926.
c. el NEC®.
d. IEEE 9000.
c. el NEC®.
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Technological advances typically have the following consequences:
a. Higher profits for all farmers who adopt. b. Higher prices for farmers. c. Excess production capacity. d. Reduces the need for farm programs. e. a and d above.
Which method of application generally would require the greatest amount of iron to alleviate an iron deficiency in an orange grove?
A) application of iron chelate to soil evenly with thorough mixing B) application of iron sulfate to soil in localized pockets C) application of iron chelate to the soil in localized pockets D) foliar spray of iron chelate E) application of iron sulfate to soil evenly with thorough mixing
Which of these is defined as the mass or weight of a substance in a given amount of space?
A) Energy B) Density C) Volumetric efficiency D) Mass
No crane or other heavy equipment should be operated within ____ feet of energized electrical transmission lines.
A. 25 B. 20 C. 15 D. 10