Why are wastewater systems no longer allowed in some areas of the country?
A) Water resources are becoming increasingly scarce.
B) Solids found in waste water can clog up the condensers.
C) Heating the wastewater interferes with the sewage treatment.
D) There are concerns about possible health issues of using sewage water to cool condensers.
A
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A. cutting-plane B. fracture C. section D. containment
El concreto de una planta central de mezclado es _____.
a. mezclado casi completa- mente antes de abandonar la planta b. mezclado en la obra de construcción c. mezclado en un camión mezclador después de abandonar la planta d. un tipo de concreto de mezcla seca
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Indicate whether the statement is true or false
When connecting a gauge manifold set, the air inside the hoses and gauge manifold:
A) Is negligible and will not adversely affect the system. B) Is removed by purging. C) Is neutralized by adding chemical buffers to the system annually. D) Is removed by connecting a vacuum pump to the gauges before connecting them.