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CNST 305 || with Error-free Solutions.
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  • Course
  • CNST 305
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  • CNST 305

After steam gives up its energy and changes its phase to a liquid, it is referred to by what name? correct answers Condensate Atmospheric boilers utilize natural draft generated by the stack for the introduction of combustion air into the boiler. correct answers true One of the advantages of ...

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  • August 4, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • after steam gives up its energy and changes its ph

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  • CNST 305
  • CNST 305

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CNST 305 || with Error-free Solutions.
After steam gives up its energy and changes its phase to a liquid, it is referred to by what name?
correct answers Condensate

Atmospheric boilers utilize natural draft generated by the stack for the introduction of
combustion air into the boiler. correct answers true

One of the advantages of using electricity as a fuel is that it does not require combustion air.
correct answers true

An open system is identified by what condition? correct answers Fluid surface is exposed to the
atmosphere

What is the main concern with the older style of refrigerants, such as R-11 and R-12? correct
answers Ozone depletion

Steam flows in a piping system due to the action of a pump or a compressor. correct answers
false

The condenser water piping to a cooling tower is an example of what type of piping system?
correct answers open

The precipitate formed at the bottom of a boiler is referred to by what name? correct answers
Sludge

The horizontal duct from the flue gas outlet on a boiler or furnace to the vertical uptake is
referred to by what name? correct answers Breeching

What is the name of the device used to remove foreign materials from a piping system? correct
answers strainer

The process of boiling and condensing special fluids, called refrigerants, is referred to by what
name? correct answers Vapor-compression cycle

The condition of carryover , where moisture is carried off the coil and thrown into the air stream,
is caused by what condition? correct answers high velocity

If security and ease of maintenance is a concern, you would be more likely to specify a DX
cooling system. correct answers false

Efficient pipe routing is largely dependent on which of the following variables? correct answers
Arrangement of equipment

Warm air from a ceiling diffuser has a tendency to stay at the ceiling for what reason? correct
answers low densiety

, As cooling towers require very little air to operate, they can be easily hidden inside of
enclosures. correct answers false

What is the name of the system if the compressor is remotely located and the refrigerant is piped
to the unit? correct answers Split system

What is the name of the coil where the refrigerant is allowed to vaporize in the coil? correct
answers DX coil

What is the most common medium to deliver a heating or cooling effect to a space? correct
answers air

What is the term that describes the extra capacity installed to ensure operation upon system
failure? correct answers Redundancy

One of the advantages of using electricity as a fuel is that it does not require combustion air.
correct answers true

Which of the following piping systems is considered inherently balanced (self-balancing)?
correct answers Reverse return

When water is heated, which of the following occurs? correct answers oxgen is released and
Solids precipitate out

A gate valve is used to perform what function? correct answers Isolate components

In a typical refrigeration cycle, what is the name of the process that is the opposite of boiling?
correct answers Condensing

What is the purpose of duct liner in a sheet metal system? correct answers reduces noise

Which of the following is an advantage of thermal storage in an air-conditioning system? correct
answers smaller chiller size

Efficient pipe routing is largely dependent on which of the following variables? correct answers
Arrangement of equipment

There are two basic options to cool a building; DX and chilled water correct answers true

Cold down drafts from a ceiling diffuser caused by low velocity is referred to by what name?
correct answers dumping

What is the name of the system when the compressor is located within the cooling equipment
cabinet? correct answers Unitary

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