La torsión de bloques se puede reducir mediante _____.
a. el aumento de la longitud del cable
b. el aumento de la carga
c. el anclaje del bloque a una cantidad impar de piezas
d. el uso de poleas más grandes
d. el uso de poleas más grandes
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A feed of 5 kg/s of saturated liquid water is entering the pump in a Rankine cycle at a temperature of 423.15 K. The pump is supplied with 412.5 W of shaft work from an electric motor. What are the approximate outlet pressures from the pump, as calculated assuming that (1) the exiting stream is saturated liquid (which is NOT physically reasonable, but the result can be calculated) and (2) isochoric pumping (which is a much more reasonable model)?
A. 4.8 bar; 5.5 bar B. 7.9 bar; 300 bar C. 9.7 bar; 500 bar D. 10.2 bar; 11.7 bar E. Insufficient information to solve
Si el tiempo para un ciclo es 0,1 segundos, la frecuencia es _____ Hz.
a. 0.1 b. 0.9 c. 1 d. 10
Frequently, interior plants are included in the design of ____ due to the documented benefits they
provide, including biophilia.
a. casinos c. office buildings b. shopping malls d. green buildings
Which of these plants grows in the ocean to heights of almost 200 feet, growing as much as two feet per day?
a. Canola b. Kelp c. Safflower d. Soybean