Energy Conservation Final

Question 1

Define Energy Conservation.

Answer 1

Any effort made to reduce the consumption of energy

Question 2

Implementation, modification, and change in an ECO that results in energy savings is called what?

Answer 2

Energy Conservation Measure

Question 3

What are the critical benefits of energy management and conservation?

Answer 3

For the economy: economic growth, trade balance, employment. For the environment: maximum indoor air quality in business, slow down consumption levels for all resources, control negative effects of acid rain and other environmental threats, and provide leadership for the public and private sector in conserving energy

Question 4

What is the act of running a facility at peak performance with lower energy costs called?

Answer 4

Energy Conservation

Question 5

Who developed Energy Star?

Answer 5

Envronmental Protection Agency

Question 6

What does LEED establish?

Answer 6

A voluntary, consensus-based, market-driven building rating system for green building and operations. Standards to identify best practices and achievable energy conservation goals.

Question 7

Energy Star uses Portfolio Manager for what?

Answer 7

It evaluates, benchmarks, and tracks a facility’s energy consumption

Question 8

What is the USGBC?

Answer 8

The U.S. Green Building Council, membership organization open to corporations, organizations, and associations that establishes design standards incorporating environmental initiatives within the commercial real estate industry.

Question 9

What is the USGBC’s mission?

Answer 9

To market transformation towards the vision of a sustainable, and eventually restorative, built environment within a generation

Question 10

What does a sustainable building do?

Answer 10

Infrastructure and design that were fabricated with sustainable materials and maximum energy conservation measures, and the activities of the enterprise within the facility have a zero net impact on the environment

Question 11

How many years can a building be recertified under LEED?

Answer 11

After 1 years up to 5 years

Question 12

Define an ECM.

Answer 12

Actual implementation, modification, or change in an energy conservation opportunity that results in energy savings

Question 13

Define a Primary ECM.

Answer 13

Energy-saving changes that you can perform and finance through the normal operating and maintenance budget

Question 14

The only way to effectively monitor energy use with detailed information in a building is to do what?

Answer 14

Metering

Question 15

What is Demand Management?

Answer 15

Determining your equipment start up based around your peak demand schedule, as determined by the utility, to reduce your energy costs

Question 16

What is the first step in an Energy Audit?

Answer 16

Define organization structure of the team and develop a strategic plan

Question 17

What tool is commonly used for electrical data collection for an energy audit?

Answer 17

Electrical Watt-hour meter (metering and sub-metering), Digital multimeter

Question 18

What tool is commonly used for HVAC data collection for an energy audit?

Answer 18

Water or gas meter, anemometer, flow measurments, humidity meter, temperature meter, heat loss detection

Question 19

What do ECOs identify?

Answer 19

Opportunities to conserve energy use in a building

Question 20

What percentage of energy use in a building do lighting and motors account for individually and together?

Answer 20

Lighting 32.2%, Motors 32.2% = 64.4%

Question 21

What are Demand Charges?

Answer 21

additional cost charged for ability of utility to deliver enough power to you reliably to meet your peak demand

Question 22

Kilo-watts are calculated on a motor by voltage, current, power factor or what?

Answer 22

Horse Power

Question 23

1 ton of cooling equals how much electrical power?

Answer 23

12,000 Btuh = 3.52 kW

Question 24

What is the rate at which a material transfers heat energy?

Answer 24

Thermal Conductivity

Question 25

What is the Second Law of Thermodynamics?

Answer 25

Heat naturally moves from a warmer body to a cooler one

Question 26

What is the percentage of heat loss eliminated by insulating a hot surface?

Answer 26

90%

Question 27

When testing for complete combustion, where is the best location to check for Carbon Monoxide?

Answer 27

Exhaust gases in the stack

Question 28

Thousands of dollars are saved annually by maintaining an effective what?

Answer 28

Leak maintanance and repair program on steam and trap systems

Question 29

Steam Trap proper operations requires what?

Answer 29

A higher pressure at the inlet than at the outlet.

Question 30

What percentage of energy use does HVAC account for?

Answer 30

As much as 85%

Question 31

HVAC performance changed by changes to the system can be what to increase efficiency?

Answer 31

Rebalanced to opperate more efficiently

Question 32

Misguided energy conservation measures that decrease outside air intake can lead to what condition?

Answer 32

Sick Building Syndrome

Question 33

What tool is used to determine human comfort in a building?

Answer 33

Survey (Polling) of Occupants, if 80% approve than the conditions are acceptable by ASHRAE

Question 34

What are electrical equipment power surveys used for?

Answer 34

Used to identify and analyze energy conservation opportunities

Question 35

What is the best method to determine power loads in a building?

Answer 35

Through direct measurement using a power meter

Question 36

Motor efficiency measures what?

Answer 36

How effectively a motor converts electrical energy to mechanical energy

Question 37

There are multiple ways to save energy use on lighting. Which is the best way?

Answer 37

Turning off lights when not in use

Question 38

A BAS can integrate many systems. What is this called?

Answer 38

Optimization Programs or Technology Integration

Question 39

Electrical demand limiting is also referred to as what?

Answer 39

Peak Demand Limiting

Question 40

BAS start/stop optimization saves energy how?

Answer 40

Limiting operation time of HVAC-related systems by delaying start time and accelerating the shutdown conditions while still meeting occupancy environmental standards

Question 41

Demand Control Ventilation works by adjusting outside air based on what?

Answer 41

On the number of occupants and the ventilation demands that those occupants create

Question 42

Heat Exchangers are used for what purpose?

Answer 42

Used for exchanging hear from waste streams to process streams while isolating the process stream from contamination and maximizing the degree of heat transferred from the waster stream to the process stream

Question 43

Solar, geothermal, and wind are examples of what?

Answer 43

Alternate Energy Technologies and Renewable Energy Technologies

Question 44

What is the fundamental concept of Cogeneration?

Answer 44

Using nonrenewable resources, but maximizing the use of the power created through the generation of both electricity and mechanical power from a single fuel source

Question 45

Which alternate energy source is most cost effective?

Answer 45

Wind Energy

Question 46

Commissioning equipment is important to ensure what?

Answer 46

It operates efficiently and as designed to operate

Question 47

The need of commissioning and is importance is due to what?

Answer 47

The ever-changing tenancy of a building, to ensure controls are operating properly, to reduce repair costs

Question 48

Stationary Engineers should assist with or observe all functional testing of equipment and also?

Answer 48

Attend all training sessions

Question 49

What is the first step when managing a project?

Answer 49

Planning and Creation: 1. Define goals, 2. determine tasks, 3. Assign resources, 4. Establish a schedule, 5. Review your plan