On a split air conditioning system with a remote condenser, which refrigerant lines must be field installed?
A. discharge and suction
B. liquid and suction
C. discharge and liquid
D. No lines need to be installed.
Answer: C
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? Identify and state the historical significance of the Dominion of New England.
What will be an ideal response?
Pueden caer objetos del andamiaje, por lo que, para proteger a los trabajadores que estén en el suelo, debe:
a. usar andamiajes únicamente cuando no haya nadie más trabajando en el área. b. gritar "cuidado" para advertir a quienes trabajan abajo de objetos que caen. c. armar barreras debajo del andamiaje para evitar que transiten personas. d. utilizar redes, pantallas de protección o mallas para escombros y colocar tablas de pie.
When charging a system that uses a zeotropic refrigerant, the system should always be charged using _____.
a. the superheat method b. the subcooling method c. vapor refrigerant from the cylinder d. liquid refrigerant from the cylinder
Designing information systems involves knowing information system needs as well as the
kinds of systems that exist or might be developed. Information system needs are determined by
a. the kind of organization b. its environment c. its size d. All of the above. e. None of the above.