A SONET mux is defined by its line speed. The most common line speeds deployed in the core network are:
A) STS-1, OC-48, OC-192
B) OC-3, OC-12, OC-48, OC-192
C) OC-1, OC-12
D) OC-3, OC-12, OC-48
E) All of the above
B
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A binary liquid mixture exhibits vapor-liquid-liquid equilibrium at 250 K. The two liquid phases can be considered immiscible. Estimate the system pressure and vapor-phase composition if the vapor pressure of component 1 is 0.1 MPa and the vapor pressure of component 2 is 0.2 MPa.
A. P = 0.15 MPa; y1 = 0.500 B. P = 0.30 MPa; y1 = 0.500 C. P = 0.30 MPa; y1 = 0.333 D. P = 0.15 MPa; y1 = 0.333 E. P = 0.15 MPa; y1 = 0.667
La carga recomendada para un circuito ramal de iluminación residencial no es más que el _____ % de su capacidad nominal.
a. 70 b. 75 c. 80 d. 90
Explain the difference between a main lug panelboard and a main circuit breaker panelboard _______.
What will be an ideal response?
A varistor is a two-terminal device which changes in resistance as the temperature changes
Indicate whether the statement is true or false