Introduction

Question 1

process of cooling to provide human comfort

Answer 1

Air conditioning

Question 2

used for food preservation

Answer 2

refrigeration

Question 3

perform
mechanical, electrical, and civil
engineering work in design, construction,
operation and maintenance of water
systems, electrical power lines, and power
plants

Answer 3

Engineering Utilities

Question 4

s the decision
and practice of using less energy.

Answer 4

Energy Conservation

Question 5

Production of natural gas and the delivery to the customers

Answer 5

Gas Utilities

Question 6

The functions of Gas Utilities

Answer 6

Generation, Transmission, and Distribution

Question 7

Production of drinkable water and its delivery to its customers

Answer 7

Water Utilities

Question 8

Functions of Water Utilities

Answer 8

Treatment, Transmission, and Distribution

Question 9

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

Answer 9

Water Treatment

Question 10

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

Answer 10

Wastewater Utilities

Question 11

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

Answer 11

Utilities

Question 12

They establish regulations and monitor for compliance

Answer 12

Regulatory Boards

Question 13

Goals of Regulators

Answer 13

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

Question 14

Examples of Utilities Equipment

Answer 14

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

Question 15

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.

Answer 15

Design Process

Question 16

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

Answer 16

Design Process

Question 17

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

Answer 17

Predesign Activities

Question 18

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

Answer 18

Design Intent

Question 19

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

Answer 19

Design Criteria

Question 20

The sudden change for no obvious reason.

Answer 20

Whimsical Change

Question 21

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

Answer 21

Freezer

Question 22

The refrigerant evaporates at what temperature?

Answer 22

-25°C

Question 23

This is located below the freezer

Answer 23

Chiller Tray

Question 24

What is the standard condensing temperature?

Answer 24

55°C

Question 25

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

Answer 25

Expansion Valve or Capillaries

Question 26

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.

Answer 26

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.

Question 27

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.

Answer 27

Reverse Cycle

Question 28

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

Answer 28

Refrigeration Cycles

Question 29

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.

Answer 29

Heat Pump and Refrigeration

Question 30

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

Answer 30

Heat Pump

Question 31

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.

Answer 31

Thermal Reservoir

Question 32

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.

Answer 32

Refrigeration (Industrial Refrigeration

Question 33

It was one of the earliest refrigerants and was widely used whenever a completely nontoxic medium was needed. It is used for aircraft refrigeration systems

Answer 33

Air Refrigerant

Question 34

It is one of the oldest and most widely used of all the refrigerants. It is highly toxic and flammable

Answer 34

Ammonia

Question 35

It is a colorless and odorless gas, and is heavier than air.

Answer 35

.Carbon Dioxide

Question 36

It is colorless liquid with a faint, sweet, nonirritating odor

Answer 36

Methyl Chloride