¿Cuál de los siguientes sistemas es más probable que se vea afectado considerablemente por armónicos?
a. Sistemas trifásicos de cuatro hilos con cargas no lineales conectadas a circuitos de 120 V.
b. Sistemas monofásicos de tres hilos con algunas cargas conectadas a circuitos de 120 V.
c. Sistemas trifásicos de tres hilos sin cargas de 120 V.
d. Sistemas trifásicos de cuatro hilos sin cargas de 120 V.
a. Sistemas trifásicos de cuatro hilos con cargas no lineales conectadas a circuitos de 120 V.
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IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
The type of sling shown in the figure above is a(n) _____.
a. standard eye and eye b. twisted eye and eye c. endless d. round
Answer the following statement(s) true (T) or false (F)
1. Pigs with porcine stress syndrome (PSS) have high tolerance for hot weather. 2. Pigs with extremely heavy muscle tend to produce higher quality pork. 3. Consumers tend to reject pale, soft, exudative (PSE) pork because it is unappealing in color and lacking in taste. 4. Tall, flat-muscled pigs have a lower resistance to stress than their heavily muscled counterparts. 5. For purposes of meat consumption, the loin eye areas of pigs are discarded. 6. Animals with large internal organs appear to grow faster and remain healthier.
What is the term for a U-shaped fitting that contains a water seal to prevent passage of air or gas through a pipe without materially affecting the flow of sewage or liquid waste?
A. spillover B. fixture trap C. negative pressure fitting D. fixture vent