GREEN CET
In order to determine the required capacity of heating or cooling equipment for a structure
"Building Information Modeling" program should be conducted.
The standard temperature used to calculate COP for a heat pump is
47°F. and 17°F. outdoor temperature.
HSPF air source heat pump equipment ratings range from
7 to 8.
Flashlights that use LED's can be used continuously, about how long before new batteries are needed?
A 60 hours B 90 hours C 120 hours D 150 hours
LED is the acronym for which of the following?
A Light Electrical Device. B Low Electrical Diode. C Light Emitting Diode. D Light Emitting Device.
Which control can be used to dim fluorescent lighting?
A Standard dimming switches B Electronic dimming ballasts C Fluorescent dimming tubes D Phosphor coating tubes
A lumen is the
A amount of power needed to light a space of one square foot, one foot away. B amount of light on one square foot of surface created by a candle one foot away. C energy needed to create a light for a space of two square feet, one foot away. D distance a light shine on two square feet of space, in total darkness.
Modern bulbs for lighting are rated in
A amperes B volts only C brightness D lumens
Variable Frequency Drive motors (VFD)
A are used on most residential systems, due to the low costs. B are typically used on most high efficiency commercial A.C. systems. C can only be used in conjunction with DC motor applications. D have been replaced by the Variable Speed Drive motors.
High voltage transformers used in fluorescent lighting are called
A capacitors B condensers C ballasts D incandescents
The ECM (Electronic Commutated Motor)
A is a Direct Current (DC) motor. B has six starting and running windings. C has four speeds to choose from. D does not have brushes inside the stator.
The Electronic Commutated Motor (ECM)
A is a single speed shaded pole motor, used for air conditioning. B cost less than any other AC motor, but is more troublesome. C is the same as any other single phase motor in its construction. D has the highest efficiency ratings for air conditioning purposes.
Renewable energy is
A repeatable source of energy
Historically, most lighting has been purchased based on the
A wattage of the bulb. B voltage of the bulb, only. C amperage of the bulb. D physical size of the bulb.
A "Heat Load Calculation"
A) Is used to properly size heating and cooling systems B) Uses the R values of building materials C) Uses indoor/outdoor design temperatures for geographic location D)-->All of the above
An example of sustainable energy is
A)Solar B)Wind c)Water d)--->All of the above
In order to maintain an acceptable indoor air quality in tight structures, ventilation standards where established by
American Society of Heating Refrigeration and Air conditioning Engineers (ASHRAE).
An Energy audit is
An assessment of energy used
A rating of how efficiently a furnace consumes fuel over the entire heating season is
Annual Fuel Utilization Efficiency (AFUE)
Fuels used to produce carbon based energy, such as fossil fuels, and wood are called?
Bio fuels
A test used to assure a fossil fuel system is burning properly is called
Combustion Analysis.
A test used to assure a fossil fuel system is burning properly is called
Combustion analysis
CBECS is the acronym
Commercial Building Energy Consumption Survey.
Heating and cooling efficiency ratings such as SEER, EER, COP, and HSPF are regulated by
Department of Energy (DOE).
A measure of the relative efficiency of a heating or cooling appliance is
Energy Efficiency Ratio (EER)
A type of cooling system that works best in dry climates is called
Evaporative
HCFC‐22 is refrigerant of the future
False
The Coefficient of Performance decreases as the outdoor temperature drops
False
The type of system that uses the earth as both, a heating and cooling medium is a
Geothermal system.
Transformers that are continually plugged in but are not powering anything are an example of a
Ghost load
The U.S. Environmental Protection Agency and industry have a cooperative alliance with
GreenChill
HVAC is an acronym for
Heating, Ventilation, and Air Conditioning.
The Coefficient of Performance (COP)
Increases as the outdoor temperature drops.
Radiant heat transfers its energy when
It contacts an object such as a wall, desk, etc.
Building Information Modeling (BIM) is comprised of two computer programs:
Load calculation and building simulation programs
The electrical "demand" rate for commercial enterprises can best be reduced by
Not starting all energy consuming devices simultaneously
A source of sustainable energy is
Nuclear
A Green Alternative for producing massive amounts of electrical energy is
Nuclear Energy.
Energy Efficiency Ratio is a measure of the
Relative efficiency of a heating or cooling appliance
Which of the following is an energy conservation measure?
Replace all long life incandescent bulbs with Compact fluorescent bulbs.
The ratio of the cooling output in Btu for the season, divided by the power consumption in watts per hour for the season
Seasonal Energy Efficiency Ratio (SEER)
The ratio of the cooling output in Btu for the season, divided by the power consumption in watts per hour for the season.
Seasonal Energy Efficiency Ratio (SEER)
When photovoltaic modules are interconnected they are called
Solar photovoltaic array.
The most expensive type of energy audit is
Technical/Engineering Audit
The first Fuel cell was designed in
The year, 1839
A type of cooling system that works more efficiently in dry climates is called Evaporative
True
In order to maintain an acceptable indoor air quality in tight structures, ventilation standards were established by the American Society of Heating Refrigeration and Air Conditioning Engineers (ASHRAE)
True
Life Cycle Assessment or Life Cycle Cost Analysis (LCCA) is the total cost of purchasing, operating and maintaining equipment
True
The Annual Fuel Utilization Efficiency (AFUE) is a rating of how efficiently an oil or gas furnace consumes fuel over an entire heating season
True
The Department of Energy regulates heating and cooling efficiency ratings such as SEER, EER, HSPF
True
The Energy Information Administration (EIA) supplies information on energy use in the United States
True
Thermal storage is used to store energy for heating or cooling until needed and uses tank and cell types of storage
True
A fossil fuel furnace that varies its capacity
Uses a modulating control valve
Waste Heat Recovery systems can be adapted to residential and commercial air conditioning systems for
Water heating
The cost of electricity is based on the
Wattage used over a period of time.
Passive cooling is
a form of natural cooling from shading and directing outdoor air flow
Renewable energy is
a repeatable source of energy.
A method of increasing efficiency is:
a) Building maintenance b) Energy recovery c) Equipment replacement d)--> All of the above
The Heating Seasonal Performance Factor (HSPF)
a) Does not measure the seasonal efficiency b) Can only be used by contractors when purchasing equipment c) Uses the total output of a system and the total electrical power used by a system over an entire heating season d)--> None of the above
Energy Managers are responsible for
a) Purchasing energy usage b) Evaluating energy usage c) Obtaining energy information d)--> All of the above
In forced air heating systems, the
air is circulated over the surfaces of the heat exchanger where it absorbs heat.
Photovoltaic panels are used to power
almost everything, including street lighting, NASA satellite equipment, and even the grid.
Carbon Footprint is the
amount of carbon dioxide that is produced from a process
An Energy audit is
an assessment of energy used.
HCFC-22 is
an ozone depleting substance and a greenhouse gas
Both energy demand and energy consumption must be
analyzed to improve energy use and efficiency.
The term "Wind Farm" refers to the
business of generating power for sale to the grid.
A condensing boiler
condenses moisture from the flue gases.
Effective Energy Conservation Measures (ECM) can be determined by
conducting an energy audit.
Energy managers can detect potential energy problems by
constant analysis and documentation.
The magnitude of the power generated in rivers, waves, and tides depends on the
direction the wind is blowing before the high tide comes in.
Ethanol is a renewable energy source because it is produced through the
distillation of crops.
What can be done to increase overall energy efficiency in a building?
establish and implement maintenance procedures and policies for all mechanical systems.
To produce the voltage necessary for a process
fuel cells can be stacked.
Heating Season Performance Factor (HSPF) is used as an energy rating for
heat pumps
An instantaneous boiler
heats water as needed.
The electrical energy efficiency of an appliance or device is determined by
how well the device converts the electricity to useful work.
A heat load calculation for a residential home is based on the
indoor design and out design temperatures for the geographic location.
A heat load calculation for a commercial building is based on the
indoor design temperature for the structure.
GreenChill is a cooperative alliance with
industry and the U.S. Environmental Protection Agency.
Radiant heat transfers its energy when
it contacts an object, such as a wall, desk, chair, or person.
Building Information Modeling (BIM) is comprised of two distinct computer programs, which are
load calculation and building simulation programs.
The power generated by "Wind Turbines"
must be altered before it can be used by the grid.
The electrical "Demand" rate for commercial enterprises can be reduced by
not starting all energy consuming devices simultaneously.
Mechanical vapor compression air conditioning systems
provides comfort cooling and dehumidification
Energy managers can save energy costs by
purchasing all forms of energy that must be used by a facility at the best rate.
Sustainable energy is defined as a
source of energy that has no effect or impact on current or future resources.
The Energy Information Administration
supplies energy usage data.
Two types of thermal storage are
tank and cell.
The difference between a nuclear power plant and a fossil fuel plant is
the method used to heat the water to produce steam.
Energy Management is
the monitoring and controlling of energy consuming devices.
Tidal and Ocean Energy" is
the specific areas that would be available for fossil fuel generators.
A good definition of energy efficiency is
the useful work produced divided by the energy used.
Unlike "Wind generators", "Tidal generators" are
too expensive for practical usage.
Life Cycle Assessment or Life Cycle Cost Analysis (LCCA) is the
total cost of purchasing, operating, and maintaining equipment.
Thermal storage is
used to store energy for heating or cooling until needed.
A fossil fuel furnace that varies it's capacity
uses a modulating control valve.
Solar cooling may be accomplished by
using solar energy to power an absorption system.
Waste-Heat Recovery systems can be adapted to residential and commercial air conditioning systems for
water heating.