Green technology awareness

the type of solar cooling system to create a cooling effect but doesn't actually cool is

Desiccant

what electrical motor on the market today in replacing older single phase Motors?

ECM motor

the rating scale used to show how efficient a room air conditioner is operating based on the power being consumed is

Energy Efficiency ratio, (EER)

the first hour rating represents how much hot water a tank type unit can supply in a 1 hour period If it starts with a full tank of hot water

True

what term is used to determine how efficient a light bulb is at creating visible light versus Heat, and expressed in lumens per watt?

luminous efficacy

how much would it cost to operate an 1800-watt a dishwasher if the cost of electricity is $0. 10 per kilowatt-hour and the dishwasher is used for 4 hours a day?

$0. 72 per day

sprinkler watering systems typically waste;

30% of the sprayed water through evaporation before ground absorption occurs

War Clause typically account for approximately;

(two answers) 20% of residential water consumption and 50% of commercial water consumption

the average amount of outside air, per occupant, that must be brought into a building in order to maintain healthy indoor air quality is...

15 cubic feet per minute (CFM)

products with the energy star label generally use how much less energy than required by federal standards?

20 to 30%

both commercial and domestic Refrigeration combined account for what percentage of global energy consumption?

20%

HFC refrigerant leaks account for what percent of a supermarket's carbon footprint?

25%

a conditional standard efficiency water closet with typically used;

3 gallons of water per flush

an energy star rated Appliance typically uses a minimum of;

50% less water and energy than a standard efficiency Appliance

two-stage evaporative coolers can reduce energy consumption by...

60 to 75%

which of the following is a method of increasing efficiency?

Build Maintenance, Energy Recovery, Equipment replacement (all of above)

which of the following would be considered a ghost load?

Computers phone chargers televisions (not appliances such as toasters)

which of the following is a good definition of energy efficiency?

The useful work produced divided by the energy output

renewable energy is;

a repeatable source of energy

which of the following is the correct mathematical expression to calculate power?

amperage X voltage

explaining residential energy audit in the space below

an energy audit is a inspection which takes into account many factors determine how to improve Energy Efficiency and conservation ( need to be written on test)

a cartridge free waterless urinal incorporates both;

an integral trap and liquid sealant as part of its water conservation strategy

the efficiency rating scale for furnaces and boilers is

annual fuel utilization efficiency (AFUE)

a diagnostic test used to measure building air tightness, locate air leaks and aid in the observation of air leak characteristics is the

blower door test

the basic technology or operating structure of automated controls use;

both analog and digital signals

BAS is the acronym for;

building automation system

building information modeling (BIM) is compromised of which two computer programs?

building simulation and Energy Efficiency programs

wind turbines can produce;

either direct or alternating current

what is the main advantage to a nuclear power plant?

emission-free electricity

a fuel cell is an electrochemical energy conservation device that uses________________ to produce electricity

chemical reactions

the efficiency of an air-to-air heat pump expressed as a ratio of heat energy transferred to units of energy used is its...

coefficient of performance (COP)

CBECS is the acronym for

commercial building energy consumption survey

which furnace is typically 10 to 14% more effective than a standard efficiency furnace?

condensing

the natural rising of Walmart are to a structure to remove he is known as...

convection

the test used for testing duct system tightness is the;

duct pressurization test

uncontrolled air movement OUT OF A structure is known as

exfiltration

a fuel cell requires monthly recharging to produce maximum

false

fossil fuels have a very low carbon footprint and is the main reason they're still used today

false

water from kitchen sink, garbage disposals and dishwashers are classified as gray water

false

wind turbines are different from windmills. A wind turbine converts kinetic energy produced from the wind into usable mechanical work and windmills convert energy from the wind to produce electricity

false

any area which allows light to pass in an external wall of building is ASHRAE's definition of

fenestration

approximately 74% of the world's electricity is produced by what method?

fossil fuel

substance which have the ability to absorb and hold heat in the Earth's atmosphere are...

greenhouse gases (GHGs)

the ratio of the estimated season of heating output, / the seasonal power consumption for an average US climate is a heat pump's...

heating season performance Factor (HSPF)

which MATERIAL is designed to prevent or control the flow of air between conditioned and unconditioned space

house wrap

the term used to describe uncontrol air movement INTO a building is;

infiltration

which type of heater heats water on demand?

instantaneous boiler

floors over unconditioned crawl spaces should be;

insulated

the building envelope;

is part of a structure in contact with both conditioned and unconditioned spaces

What alternative fossil fuel is used today to power street lights, calculators, road signs, and contribute to the electric grid?

photovoltaic

energy managers are responsible for;

purchasing energy usage, evaluating energy usage, obtaining Energy Information (All of above)

the rating scale used to measure how efficiently a cooling system will operate over an entire season is

seasonal Energy Efficiency ratio (SEER)

which of the following is the least effective type of window?

single pane

insulation will;

slow down heat transfer

which of the following is an example of sustainable energy?

solar, wind, water (All of above)

potable water by definition is;

sustainable for human consumption

a heat load calculation determines;

the heat gain and heat loss of a structure the required size of Comfort Heating and cooling systems the amount of latent heat gain in the summer (all of the answers are correct) <--

the hydraulic cycle is the;

treatment cycle of water when used for irrigation

gray water can be used for flushing toilets

true

harvested rain water can be used for flushing toilets and garden irrigation

true

most people are comfortable when the air temperature is 74°F with 50% relative humidity

true

photovoltaic panels produce energy that all household appliances can use but must be converted to alternating current

true

the calculation is used to determine the BTU rating or size of the heating and/ or cooling system required for Comfort conditioning of structure

true

the installation and proper use of a high efficiency dual flush water closet is an effective water conservation strategy

true

the installation of high-efficiency Plumbing fixtures and fitting is effective method of reducing water consumption

true

the most effective means of controlling water hammer is a measured, compressible cushion of air (air bladder), which is separated from the water system

true

when sized correctly, tankless or demand water heaters can produce a seemingly "endless" supply of hot water

true

air sealing is the process of Sealing;

unintentional air infiltration points of a structure

wind energy generators are best used in locations where;

wind is constant

list the environmental benefits that result from from preforming a combustion analysis

•Cleaner emissions •High Appliance efficiency •improve performance and reliability ( need to be written on test)

what are two types of solar water heating systems?

•Passive & •Active ( need to be written on test)

list three types of comfort heating systems

•forced air heating •modulating furnaces •condensing furnace ( need to be written on test)

list four areas of energy-saving construction techniques that play a Part in potential energy savings

•insulation •lighting •appliances •initial home design ( need to be written on test)

list of five functions of a building envelope

•supporting the structure •regulating the temperature •controlling the moisture •protecting from environmental changes •protect from structural pressure changes ( need to be written on test)