Which statements below are true regarding design of cooling tower installations? Select all that apply.
A) Screens should be close to the tower to increase downward air velocity to louvers.
B) Are generally noisier than DX condensing units.
C) Should always be installed on the roof.
D) Basin level should be above the condensing water pump inlets.
D) Basin level should be above the condensing water pump inlets.
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Which is a means of electronic customer communication?
A. Two way social network communication B. One way single message C. Email / text D. All of the above
Which of the following is an example of a positive displacement pump?
A) Axial B) Rotary screw pump C) Multi-stage centrifugal D) Single-stage centrifugal
Una vez finalizado un análisis de riesgos, ¿quién determina la clasificación de un espacio cerrado y si se necesita permiso o no?
a. los inspectores de OSHA b. los inspectores del código de salud local c. el supervisor junto con los gerentes de proyecto o de seguridad d. la empresa
The ____ is the basis of all industrial drawings.
A. graph B. line C. vector D. object