Las tapas sólidas se utilizan en bandejas portacables para:
a. retener el calor dentro de bandejas en áreas sin calefacción.
b. reforzar las bandejas.
c. proteger el aislamiento de los cables de la luz solar directa.
d. evitar la entrada de roedores.
c. proteger el aislamiento de los cables de la luz solar directa.
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La forma que se muestra en la Figura 4 es una forma _____.
a. móvil
b. deslizante
c. modular
d. curvo
Grounding wrist straps are used to _____.
a. prevent static discharge from damaging solid-state circuits b. prevent personnel from being shocked by stray currents c. keep personnel from being struck by lightning d. discharge electrolytic capacitors before removing them
A(n) ____________________ is the simplest type of bearing, a cylindrical hole usually lined with brass or bronze.
Fill in the blank(s) with the appropriate word(s).
The Bootery leases space in a mall for $15 per square foot. If sales exceed $100,000 in a
given month, the rate for that month goes up to $17 per square foot. This is an example of a
a. variable cost. b. flexible cost. c. semivariable cost. d. fixed cost. e. fractional cost.