Description : Wt what point are the Celsius and Fahrenheit scales equal?
Last Answer : ANSWER: -40 DEGREES
Description : Wt Indio, California, stands "The Patriarch," considered the oldest living thing and a national monument. Precisely what is this 4,600 year old object?
Last Answer : ANSWER: BRISTLECONE PINE
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 : If you started with 100 grams of each of the materials below and they all vaporized inside of an inflatable balloon, which of them would produce the largest volume balloon, assuming they were all at the same temperature? w) water x) gasoline y) ethanol z) butane
Last Answer : ANSWER: W -- WATER
Description : A psychrometer (pron: si-'kro-me-ter) is used to measure humidity. It consists of two thermometers, one of which is wetted. The water is allowed to evaporate. Which thermometer reads the higher temperature. w) the wet one x) the dry one
Last Answer : ANSWER: X -- THE DRY ONE
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 : Seawater (i.e. saltwater) freezes at: w) the same temperature as fresh water. x) at a slightly higher temperature than fresh water. y) at a slightly lower temperature than fresh water. z) seawater does not freeze.
Last Answer : ANSWER: Y -- AT A SLIGHTLY LOWER TEMPERATURE THAN FRESH WATER.
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 : The specific gravity of mercury at Standard Temperature and Pressure is: w) 0.75 x) 4.0 y) 13.6 z) 19.3
Last Answer : ANSWER: Y -- 13.6
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 : A thermocouple is used to measure w) pressure x) current y) strain z) temperature
Last Answer : ANSWER: Z -- TEMPERATURE
Description : High-temperature superconductors have been in the news lately. These materials become superconductive at temperatures around w) 200 degrees Fahrenheit x) 100 degrees Fahrenheit y) -150 degrees Fahrenheit z) -350 degrees Fahrenheit
Last Answer : ANSWER: Z -- -350 DEGREES FAHRENHEIT
Description : You use a hydrometer to check the condition of the electrolyte in your car battery. It is actually measuring what property of the fluid? w) charge x) density y) temperature z) surface tension
Last Answer : ANSWER: X -- DENSITY
Description : In a high-temperature gas-cooled reactor, what gas ma be used for a coolant?
Last Answer : ANSWER: HELIUM or CARBON DIOXIDE
Description : At room temperature, most elements are in which phase of matter? w) solid x) liquid y) gas z) plasma
Last Answer : ANSWER: W -- SOLID
Description : "Hard" water is related to the presence of high concentrations of primarily four metal ions in water supplies. Calcium and magnesium ions are the most common of the four. Name one of the other two ions.
Last Answer : ANSWER: IRON AND MANGANESE
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 : Which two gases are used to disinfect water in sewage treatment facilities? w) helium and nitrogen x) ozone and chlorine y) oxygen and hydrogen z) nitrogen and chlorine
Last Answer : ANSWER: X -- OZONE AND CHLORINE
Description : What is the major visible constituent of the exhaust plume from a natural gas-fired power plant? w) carbon dioxide x) carbon monoxide y) smoke z) water
Last Answer : ANSWER: Z -- WATER
Description : What is the mass in grams of one cubic centimeter of water?
Last Answer : ANSWER: ONE GRAM
Description : What substance was used as a moderator for the chain reaction in the first nuclear reactor? w) graphite x) boron y) water z) cadmium
Last Answer : ANSWER: W -- GRAPHITE
Description : An important safety feature required at U.S. nuclear power plants that was not present at the Chernobyl Power Plant in the Soviet Union was the: w) reactor x) cooling water y) control rods z) containment building
Last Answer : ANSWER: Z -- CONTAINMENT BUILDING
Description : Most commercial nuclear power plants worldwide are cooled by: w) sodium x) mercury y) helium z) water
Description : Identify the tree family which includes among its members the: New Mexico, Texas honey, thornless honey, water, black and honey. Name this tree family.
Last Answer : ANSWER: LOCUST
Description : Water flows through a horizontal pipe at a constant volumetric rate. At a location where the cross sectional area decreases, the velocity of the fluid: w) increases x) decreases y) stays the same
Last Answer : ANSWER: W -- INCREASES
Description : he system of ............... generally ran one job at a time. These were called single stream batch processing. A) 40's B) 50's C) 60's D) 70's
Last Answer : B) 50's
Description : Distemper is used to coat a) External concrete services b) Internal surfaces not exposed to weather* c) Woodwork d) Compound walls
Last Answer : b) Internal surfaces not exposed to weather*
Description : 10. Catalytic converters are fitted into automobiles to reduce emission of harmful gases. Catalytic converters change un burnt hydrocarbons into (a) carbon dioxide and water (b) carbon mono oxide (c) methane (d) carbon dioxide and methane.
Last Answer : (a) carbon dioxide and 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 : Movement exhibited by plants toward the "center of the Earth" is called?
Last Answer : ANSWER: GEOTROPISM
Description : What is the phase relationship between the voltage and current in a capacitor?
Last Answer : ANSWER: X -- CURRENT LEADS BY 90 DEGREES
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 : Name a component of gasoline that has been classified by the U.S. EPA as a "known human carcinogen".
Last Answer : ANSWER: XENZENE
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 : If a quiet whisper is 10 decibels, then what is the average pain threshold in decibels for humans?
Last Answer : ANSWER: 120 DECIBELS (ACCEPT 110 TO 130)
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 : In the human body, what tendon attaches the gastrocnemius muscle to the calcaneus bone?
Last Answer : ANSWER: ACHILLES TENDON
Description : What is the name for the metric unit of pressure defined as 1 Newton per meter squared?
Last Answer : ANSWER: PASCAL
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 : Approximately what percentage of the electricity produced in the United States is consumed by residential appliances? w) 20% x) 33% y) 50% z) 66%
Last Answer : ANSWER: X -- 33%
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 : 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 : 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