A device that can be significantly made more energy efficient by the addition of underground water carrying piping attached to the condenser is a ______________________
A. heat pump
B. heat recovery chiller
C. cooling tower
D. ice storage system
A
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An RC filter has impedances Z1 = R1 =1k? and Z2 = 1/(j?oC) with C=1µF connected in series and an input voltage vIN(t)= 20 sin (2?fot) V with ?o=1,000 rad/s. If the voltage across Z2 is v0UT(t), the amplitude of vOUT(t) equals _____(x.xx) V.
Fill in the blank(s) with the appropriate word(s).
Las aplicaciones de una única capa necesitan que la unión longitudinal:
a. sea escalonada. b. esté en la línea media horizontal del tubo. c. esté paralela a la unión de la circunferencia. d. esté en los lados inferior y superior de los tramos de la tubería horizontal.
One of the fastest growing segments of aquaculture is the growing of ornamental
fish.
Indicate whether the statement is true or false.To calculate three-phase true power, which is measured in watts, the power factor of what system must be known?
What will be an ideal response?