Approximately what percentage of the electricity produced in the United States is consumed by residential appliances? w) 20% x) 33% y) 50% z) 66% 

1 Answer

Answer :

ANSWER: X -- 33% 

Related questions

Description : In the United States, coal is the energy source that produces the highest percentage of our electricity. Second is: w) hydropower x) oil y) nuclear energy z) solar energy 

Last Answer : ANSWER: Y -- NUCLEAR ENERGY

Description : As of December, 1990, which of the following countries generated the greatest percentage of its electricity by nuclear power? w) England x) Japan y) United States z) France

Last Answer : ANSWER: Z -- FRANCE

Description : Electricity generated by coal-fired power plants i the United States in 1990 was approximately what percentage of the entire electricity produced by all sources of power production? w) 10 percent x) 25 percent y) 55 percent z) 90 percent

Last Answer : ANSWER: Y -- 55 PERCENT

Description : Of the following answers, which is closest to the percentage of electricity generated by nuclear power plants in the U.S. in 1987? w) 5% x) 10% y) 20% z) 40%

Last Answer : ANSWER: Y -- 20%

Description : About what percent of the electricity used in the United States is currently being produced by nuclear power plants? w) 5 percent x) 10 percent y) 20 percent z) 30 percent

Last Answer : ANSWER: Y -- 20 PERCENT 

Description : In the United States the average number of gallons per person of fresh water used per day for personal (non-industrial) use such as bathing, laundering, drinking, and the like is approximately: w) 10 gallons x) 30 gallons y) 60 gallons z) 90 gallons 

Last Answer : ANSWER: Z -- 90 GALLONS

Description : The sun makes up approximately what percent of matter in our solar system? w) 17% x) 50% y) 85% z) 99% 

Last Answer : ANSWER: Z -- 99% 

Description : Ozone in the upper atmosphere is produced from: w) lightning x) photochemical reactions y) electrical appliances on Earth z) model fractals

Last Answer : ANSWER: X -- PHOTOCHEMICAL REACTIONS 

Description : In a typical power plant used to generate electricity in the U.S., the percentage of energy in the fuel that is converted to electricity is about: w) 99 percent x) 50 percent y) 35 percent z) 10 percent

Last Answer : ANSWER: Y -- 35 PERCENT 

Description : The Oklo reactor in Gabon, Africa, is significant because it: w) was the first man-made reactor. x) was a natural fission reactor. y) was the first reactor used to generate electricity. z) produced the most electricity in a single year.

Last Answer : ANSWER: X -- WAS A NATURAL FISSION REACTOR.

Description : The region of the United States with the lowest pH values found in rainwater (acid rain) is: w) Mid West x) North West y) North East z) South East 

Last Answer : ANSWER: Y -- NORTH EAST 

Description : How many time zones are there in the CONTIGUOUS United States? w) 3 x) 4 y) 5 z) 6 

Last Answer : ANSWER: X -- 4  

Description : Biomass energy is: w) formed through photosynthesis x) caused by heat due to the large mass of the earth y) has been used for only a few years z) is effective in only certain regions of the United States 

Last Answer : ANSWER: W -- FORMED THROUGH PHOTOSYNTHESIS 

Description : The launch of the first LIQUID fueled rocket in the world is attributed to: w) China x) Russia y) United States z) Germany

Last Answer : ANSWER: Y -- UNITED STATES

Description : What state in the United States has the most nuclear power plants? w) New York x) Illinois y) Pennsylvania z) South Carolina

Last Answer : ANSWER: X -- ILLINOIS

Description : Most of the nuclear power plants operating in the United States are: w) pressurized water reactors x) boiling water reactors y) high-temperature gas-cooled reactors z) liquid-metal fast breeder reactors

Last Answer : ANSWER: W -- PRESSURIZED WATER REACTORS 

Description : The largest breeder reactor built to date is located where? w) USSR x) Japan y) France z) United States

Last Answer : ANSWER: Y -- FRANCE

Description : In the United States, low sulfur coal can be found primarily in the: w) northeast x) southeast y) midwest z) west

Last Answer : ANSWER: Z -- WEST

Description : Maximum possible efficiency of a self-locking screw is a) 50% b) 75% c) 66% d) 33%

Last Answer : a) 50%

Description : The heat exhaust of an automobile with an internal combustion engine represents approximately what percent of the energy of the original fuel? w) 10 % x) 50 % y) 35 % z) 5 % 

Last Answer : ANSWER: Y -- 35 % 

Description : A temperature of 295 K is equivalent to approximately: w) 0 degrees Fahrenheit x) 32 degrees Fahrenheit y) 72 degrees Fahrenheit z) 97 degrees Fahrenheit

Last Answer : ANSWER: Y -- 72 DEGREES FAHRENHEIT

Description : Bees must collect nectar from approximately how many flowers to make 1 pound of honeycomb? Is it: w) 10 thousand x) 2 million y) 20 million z) 50 million

Last Answer : ANSWER: X -- 20 MILLION

Description : Of the energy used in the United States, about wha percent is provided by hydroelectric power? w) 4% x) 20% y) 50% z) 75%

Last Answer : ANSWER: W -- 4%

Description : A homeowner replaces a 65 watt incandescent bulb with a 15 watt compact fluorescent lamp. The light is on 2000 hours a year. If electricity cost 10 cents a kilowatt-hour, how much money is saved on the electric bill in one year? w) $50.00 x) $10.00 y) $5.00 z) $1.00 

Last Answer : ANSWER: X -- $10.00 

Description : Liquid fuels can be used to generate electricity in a variety of ways. Which of the following technologies converts liquid fuel directly to electricity without a combustion step? w) turbine x) battery y) fuel cell z) Stirling engine

Last Answer : ANSWER: Y -- FUEL CELL  

Description : Spent fuel from a nuclear power plant cools down and loses most of its radioactivity through decay. In the first year, spent fuel loses about what percentage of its radioactivity? w) 10 percent x) 50 percent y) 80 percent z) 100 percent

Last Answer : ANSWER: Y -- 80 PERCENT

Description : In 1991, critical habitat was designated for this well-known species in the states of Washington, Oregon and California. w) brown bear x) northern spotted owl y) bald eagle z) snail darter

Last Answer : ANSWER: X -- NORTHERN SPOTTED OWL

Description : The porosity of a soil sample having its void ratio equal unity would be (a) 33.33% (b) 50.0% (c) 66.66% (d) 75.0%

Last Answer : (b) 50.0%

Description : Evaporation from water surfaces exposed to air is not dependent of the: w) velocity of the wind x) humidity y) temperature z) depth of the water 

Last Answer : ANSWER: Z -- DEPTH OF THE WATER 

Description : For a DC motor, what major component in addition to the field winding and the armature winding is necessary? w) a commutator x) a stator y) a battery z) a rotor

Last Answer : ANSWER: W -- A COMMUTATOR

Description : Dante is the name of an eight-legged robot designed to repel into the crater of Erebus. This volcano is located in w) Italy x) the Hawaiian chain y) Antarctica z) Japan 

Last Answer : ANSWER: Y -- ANTARCTICA 

Description : Who is known as the Father of the Atomic Bomb? w) Albert Einstein x) J. Robert Oppenheimer y) General Leslie Groves z) Edward Teller 

Last Answer : ANSWER: X -- J. ROBERT OPPENHEIMER

Description : In 1991, the frozen body of a late stone age man was found amazingly intact in the Alps near the Italian-Austrian border. Its age was determined to be about: w) 2,200 years x) 5,300 years y) 12,800 years z) 30,000 years

Last Answer : ANSWER: X -- 5,300 YEARS

Description : Deforestation is not a major environmental problem in w) the Amazon x) Borneo y) Oregon z) West Germany

Last Answer : ANSWER: Z -- WEST GERMANY 

Description : Who was the first scientist credited with pointing out that certain gases could cause a greenhouse effect? w) John Tyndall x) Charles Darwin y) Roger Tory Peterson z) Stephen Jay Gould 

Last Answer : ANSWER: W -- JOHN TYNDALL  

Description : What range of frequencies are usually referred to as the Ultra High Frequency (UHF) Band? w) 3 to 30 Mega Hertz x) 30 to 300 Mega Hertz y) 300 to 3,000 Mega Hertz z) 30,000 to 300,000 Mega Hertz

Last Answer : ANSWER: Y -- 300 to 3,000 MEGA HERTZ

Description : Which of the following is considered a renewable resource? w) Coal fired power plant x) Hydroelectric dam y) Combustion turbine facility z) Nuclear fission power plant 

Last Answer : ANSWER: X -- HYDROELECTRIC DAM

Description : The U.S. EPA recently concluded that environmental tobacco smoke should be considered (quote) w) "a possible human teratogen" x) "a priority air pollutant" y) "a known human carcinogen" z) "a possible human carcinogen" 

Last Answer : ANSWER: Y -- A KNOWN HUMAN CARCINOGEN 

Description : TCDD (2,3,6,7-tetrachlorodibenzo(p)dioxin) is a toxic synthetic chemical. The most consistent adverse effect observed in exposed humans is: w) liver cancer x) birth defects y) disfiguring skin eruption z) an exaggerated sense of well-being

Last Answer : ANSWER: Y -- DISFIGURING SKIN ERUPTION (CHLORACNE) 

Description : Compared to terrestrial environments, aquatic environments are more stable in: w) temperature range x) producer consumer distribution y) sunlight absorbed z) number species 

Last Answer : ANSWER: W -- TEMPERATURE RANGE

Description : A radio station is broadcasting at 3750 khz (kilohertz). This station would be found in which radio band? w) 20 meter x) 40 meter y) 80 meter z) 160 meter 

Last Answer : ANSWER: Y -- 80 METER 

Description : Which of the following people is credited as being the father of mass production? w) Thomas Edison x) Otto Graham y) Henry Ford z) Eli Whitney 

Last Answer : ANSWER: Z -- ELI WHITNEY

Description : In daylight the human eye is most sensitive to which color? w) Green x) Red y) Blue z) Orange

Last Answer : ANSWER: W -- GREEN 

Description : One trillion is 1 followed by 12 zeros. What is 1 followed by 18 zeros? w) 1 quadrillion x) 1 quintillion y) 1 septillion z) 1 octillion 

Last Answer : ANSWER: X -- 1 QUINTILLION  

Description : In the Tyndall Effect, the intensity of scattered radiation is inversely proportional to the fourth power of the wavelength. Which one of the following colors of light would exhibit the most intense Tyndall scattering? w) yellow x) green y) orange z) violet 

Last Answer : ANSWER: Z -- VIOLET 

Description : What form of radiation most closely resembles X-rays? w) alpha x) beta y) gamma z) neutron

Last Answer : ANSWER: Y -- GAMMA 

Description : What is the approximate weight in pounds of the atmosphere on a 1 sq. ft. surface at sea level? w) 15 lbs. x) 1500 lbs. y) 2100 lbs. z) 20,000 lbs. 

Last Answer : ANSWER: Y -- 2100 LBS.

Description : A color television set employs a 25,000 volt electron accelerator to produce the picture and potentially harmful radiation which must be shielded against. The main component of this radiation consists ... which penetrate the picture tube x) soft x-rays y) microwaves z) ultraviolet radiation 

Last Answer : ANSWER: X -- SOFT X-RAYS