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Engineering Utilities 2 > Midterms > Flashcards

Midterms Flashcards

1
Q

To solve challenges, engineers themselvels are responsible for ___

A

Planning, System Analysis, System Design, Equipment Specification, Maintenance Management, Operations, and Host of Other Functions

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2
Q

What is Engineering Utilities?

A

Perform mechanical, electrical, and civil engineering work in design, construction, operation and maintenance of water systems, electrical power lines, and power plants, telecommunications facilities: gas pipelines, and light and heavy rail systems.

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3
Q

The decision and practice of using less energy

A

Energy Conservation

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4
Q

Production of natural gas and the delivery to the customers

A

Gas Utilities

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5
Q

The functions of Gas Utilities

A

Generation, Transmission, and Distribution

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6
Q

Production of drinkable water and its delivery to its customers

A

Water Utilities

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7
Q

Functions of Water Utilities

A

Treatment, Transmission, and Distribution

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8
Q

Addresses health related issues such as the presence of biological and toxic contaminants

A

Water Treatment

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9
Q

Transport dirty water away from customers and treats the dirty water.

A

Wastewater Utilities

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10
Q

These are the natural monopolies, they require government oversight so that they do not exercise monopoly power to the detriment of customers and society

A

Utilities

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11
Q

They establish regulations and monitor for compliance

A

Regulatory Boards

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12
Q

Goals of Regulators

A

To have utility services provided with adequate service levels with lowest possible rates.

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13
Q

Examples of Utilities Equipment

A

Cooling Tower, Airconditioning System, Air Compressor System, Water-Cooled Chiller

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14
Q

An integral part of the larger and more complex building procurement process through which an owner defines facility needs, considers architectural possibilities, contracts for design and construction services and uses the resulting facility.

A

Design Process

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15
Q

During _____ they determine specific electrical and mechanical systems and equipment, and very often will determine the owner and occupant satisfaction

A

Design Process

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16
Q

The building project begins with this, it establish the need for feasibility of, and proposed scope for a facility.

A

Predesign Activities

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17
Q

Predesign Activities may be conducted by who?

A

Design Team by the owner or by a specialized consultant

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18
Q

Simply a statement that outlines the expected high-level outcome of the design process.

A

Design Intent

19
Q

Design intent includes the following

A
  • The building will provide outstanding comfort.
  • The design will consider the latest in information technology.
  • The building will be green, with a focus on indoor environmental quality.
  • The building will be in carbon neutral.
  • The building will provide a high degree of flexibility.
20
Q

The benchmarks against which success or failure in meeting design intent is measured.

A

Design Criteria

21
Q

The sudden change for no obvious reason.

A

Whimsical Change

22
Q

Design Criteria might include the following:

A
  • Thermal conditions wil meet the requirements of ASHRAE (American Society of Heating. Refrigerating and Airconditioning Engineers) Standard.
  • The power density of the lighting system will be no greater than 0.7W/ft².
  • The building will achieve a Silver LEED rating.
  • Fifty percent of the building water consumption will be provided by rainwater capture.
  • Background sound level in classrooms wll not exceed RC 35 (65 dB),
23
Q

The process of cooling to provide human comfort

A

Air conditioning

24
Q

Application of Refrigeration System

A
  • Food Storage and Distribution
  • Storage
  • Distribution
  • Food Processing
  • Chemical and Process Industries
25
Q

Include the manufacturers of chemicals, petroleum refiners, petrochemical plants, paper and pulp industries that required good engineering for their refrigiration.

A

Chemical and Process Industries

26
Q

A branch of science that deals with the process of reducing and maintaining the temperature of spaces or material below the temperature of the surroundings.

A

Refrigeration

27
Q

Four Basic Components of Refrigeration

A
  • Evaporator
  • Condenser
  • Expansion Valve
  • Compressor
28
Q

The low-pressure vapor heat exchanger. Located in the freezer compartment of the refrigerator.

A

Evaporator

29
Q

Forms the coldest part of the cabinet with a temperature of about -15°C

A

Freezer

30
Q

The refrigerant evaporates at what temperature?

A

-25°C

31
Q

This is located below the freezer

A

Chiller Tray

32
Q

The high-pressure vapor heat exchangers

A

Condenser

33
Q

What is the standard condensing temperature?

A

55°C

34
Q

The throttling devices that transport refrigerant from high pressure condition to low pressure condition

A

Expansion Valve or Capillaries

35
Q

The pressure raising devices

A

Compressor

36
Q

Is the rate of cooling required to freeze one ton of water at 32°F into ice at 32°F in one day or 24 hrs.

A

Tons of Refrigeration (TR)

37
Q

Standard Evaporation Temperature in Vapor-Compression Refrigeration System

A

5°F or -15°C

38
Q

Standard Condensing Temperature in Vapor-Compression Refrigeration System

A

86°F or 30°C

39
Q

Is a cycle that receives heat from a colder and delivers heat to a hotter body, not in violation of the second law, but by virtue of a work input.

A

Reverse Cycle

40
Q

Are cycles used to pump heat from low to high temperature regions: or cycles with the objective of extracting heat from low temperature reservoir.

A

Refrigeration Cycles

41
Q

Devices that operate in a cycle and transfor heat from a low-tomperature region to a high-temperature region with work input to the system.

A

Heat Pump and Refrigeration

42
Q

A cycle with the objective of supplying heat to the high temperature reservoir

A

Heat Pump

43
Q

A body with the large heat capacity such that when heat is removed or added to the reservoir the temperature of the reservoir does not change.

A

Thermal Reservoir

44
Q

Being use for food preservation ; removing heat from substances in chemical, petroleum, and petrochemical plants: and numerous special applications such as those in the manufacturing and construction industries.

A

Refrigeration (Industrial Refrigeration

Engineering Utilities 2 (2 decks)

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