In a series RC circuit, ET = 240 V, R = 40 ?, and XC = 30 ?. What is EC?
A. 37.14 V
B. 62.86 V
C. 92 V
D. 144 V
Answer: D
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Bald Eagle Creek flows into Bald Eagle reservoir, which acts as a completely mixed reactor. Bald Eagle creek has a flow rate of 0.20 m3/s and a dissolved oxygen concentration of 4.75 mg/L. Bald Eagle reservoir has a volume of 104 m3. Oxygen is removed in the lake through biological processes and the reaction rate, kd, is 0.30 day–1. Evaporation removes water from the surface of the lake at a rate of 0.002 m3/s. Determine the effluent flow rate and dissolved oxygen concentration for this completely mixed lake.
What will be an ideal response?
Para ser efectivo, un sistema de conexión a tierra debe limitar el voltaje en el sistema eléctrico y protegerlo de todos los casos siguientes EXCEPTO:
a. exposición a rayos. b. sobretensión superior a aquélla para la que se ha diseñado el circuito. c. incremento en el potencial MÁXIMO a tierra debido a voltajes anormales. d. condiciones de infratensión
In the ____ position, the pipe is parallel to the horizon and the weld is made vertically around the pipe.
A. Inclined with a restriction ring 6GR B. Horizontal fixed 5G C. Vertical 2G D. Inclined 6G
What is the role of the if statement?
What will be an ideal response?