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

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
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ANSWER: W -- PRESSURIZED WATER REACTORS 
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Most commercial nuclear power plants worldwide are cooled by: w) sodium x) mercury y) helium z) water

Description : Most commercial nuclear power plants worldwide are cooled by: w) sodium x) mercury y) helium z) water

Last Answer : ANSWER: Z -- WATER

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

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

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

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 

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

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

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

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

Which of the following reactors is operated at high neutron flux and low power level? (A) Breeder reactor (B) Research reactor (C) Heterogeneous reactor (D) Liquid metal (e.g., molten sodium) cooled reactor

Description : Which of the following reactors is operated at high neutron flux and low power level? (A) Breeder reactor (B) Research reactor (C) Heterogeneous reactor (D) Liquid metal (e.g., molten sodium) cooled reactor

Last Answer : (B) Research reactor

Nuclear power reactor located at Tarapur is of __________ type. (A) Fast breeder (B) Pressurised water (C) Boiling water (D) Gas cooled

Description : Nuclear power reactor located at Tarapur is of __________ type. (A) Fast breeder (B) Pressurised water (C) Boiling water (D) Gas cooled

Last Answer : (C) Boiling water

Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature and pressure limits of the reactor? (A) Molten sodium cooled (B) CO2 gas cooled (C) Pressurised water (D) Boiling water

Description : Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature and pressure limits of the reactor? (A) Molten sodium cooled (B) CO2 gas cooled (C) Pressurised water (D) Boiling water

Last Answer : (D) Boiling water

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

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

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

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

The principle behind a breeder reactor is: w) U-235 undergoes fission. x) U-238 is converted to Pu-239, which undergoes fission. y) Deuterium undergoes fission. z) Cobalt-60 undergoes fission.

Description : The principle behind a breeder reactor is: w) U-235 undergoes fission. x) U-238 is converted to Pu-239, which undergoes fission. y) Deuterium undergoes fission. z) Cobalt-60 undergoes fission.

Last Answer : ANSWER: X -- U-238 IS CONVERTED TO Pu-239, WHICH UNDERGOES FISSION. 

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

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

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%

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%

The U.S. population receives the largest dose of ionizing radiation from: w) natural sources. x) fallout from nuclear weapons testing. y) nuclear medicine. z) nuclear power plants.

Description : The U.S. population receives the largest dose of ionizing radiation from: w) natural sources. x) fallout from nuclear weapons testing. y) nuclear medicine. z) nuclear power plants.

Last Answer : ANSWER: W -- NATURAL SOURCES.

At room temperature, most elements are in which phase of matter? w) solid x) liquid y) gas z) plasma

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

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

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

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

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% 

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

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 

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

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  

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

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 

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

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

Reactors in commercial nuclear power plants in the U.S. are often referred to as thermal reactors. A thermal reactor uses: w) fissionable plutonium-239 as fuel. x) a relatively low heat output. y) neutrons moderated to relatively low energies. z) liquid sodium as a coolant.

Description : Reactors in commercial nuclear power plants in the U.S. are often referred to as thermal reactors. A thermal reactor uses: w) fissionable plutonium-239 as fuel. x) a relatively low heat output. y) neutrons moderated to relatively low energies. z) liquid sodium as a coolant.

Last Answer : ANSWER: Y -- NEUTRONS MODERATED TO RELATIVELY LOW ENERGIES.

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

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

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

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

Which of the following types of nuclear reactors is most prone to radioactive hazards? (A) Pressurised water reactor (B) Gas cooled reactor (C) Molten sodium cooled reactor (D) Boiling water reactor

Description : Which of the following types of nuclear reactors is most prone to radioactive hazards? (A) Pressurised water reactor (B) Gas cooled reactor (C) Molten sodium cooled reactor (D) Boiling water reactor

Last Answer : (D) Boiling water reactor

Thorium can be converted into U-233 in a __________ reactor. (A) Liquid metal cooled (B) Fast breeder (C) Thermal (D) Swimming pool

Description : Thorium can be converted into U-233 in a __________ reactor. (A) Liquid metal cooled (B) Fast breeder (C) Thermal (D) Swimming pool

Last Answer : (B) Fast breeder

Which of the following is NEVER used as a coolant in nuclear reactors: w) liquid nitrogen x) liquid sodium y) water z) helium gas

Description : Which of the following is NEVER used as a coolant in nuclear reactors: w) liquid nitrogen x) liquid sodium y) water z) helium gas

Last Answer : ANSWER: W -- LIQUID NITROGEN

What substance was used as a moderator for the chain reaction in the first nuclear reactor? w) graphite x) boron y) water z) cadmium

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

The first controlled nuclear chain reaction took place in what year? w) 1895 x) 1910 y) 1942 z) 1945

Description : The first controlled nuclear chain reaction took place in what year? w) 1895 x) 1910 y) 1942 z) 1945

Last Answer : ANSWER: Y -- 1942  

The most serious environmental pollution from a nuclear reactor is: w) radioactivity x) particulate formation y) thermal pollution z) noise pollution

Description : The most serious environmental pollution from a nuclear reactor is: w) radioactivity x) particulate formation y) thermal pollution z) noise pollution 

Last Answer : ANSWER: Y -- THERMAL POLLUTION 

Who is called the Father of the Nuclear Navy? w) Edward Teller x) Robert Oppenheimer y) Hymen Rickover z) Chester Nimitz

Description : Who is called the Father of the Nuclear Navy? w) Edward Teller x) Robert Oppenheimer y) Hymen Rickover z) Chester Nimitz

Last Answer : ANSWER: Y -- HYMEN RICKOVER

Electric power is less expensive at night because: w) more hydroelectric generation is brought on line at night. x) there is less demand at night. y) pollution control is less stringent at night. z) power plants are more efficient at night.

Description : Electric power is less expensive at night because: w) more hydroelectric generation is brought on line at night. x) there is less demand at night. y) pollution control is less stringent at night. z) power plants are more efficient at night.

Last Answer : ANSWER: X -- THERE IS LESS DEMAND AT NIGHT.

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

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 

In a high-temperature gas-cooled reactor, what gas ma be used for a coolant?

Description : In a high-temperature gas-cooled reactor, what gas ma be used for a coolant?

Last Answer : ANSWER: HELIUM or CARBON DIOXIDE

One metal dissolved in another is called w) an alloy x) an assay y) a mineral z) a ceramic

Description : One metal dissolved in another is called w) an alloy x) an assay y) a mineral z) a ceramic 

Last Answer : ANSWER: W -- AN ALLOY 

The uranium fuel used worldwide is mainly in the form of: w) U3O8 x) UO2 y) UF6 z) U metal

Description : The uranium fuel used worldwide is mainly in the form of: w) U3O8 x) UO2 y) UF6 z) U metal

Last Answer : ANSWER: X -- UO2

If a metal can be drawn into wires relatively easily it is called: w) malleable x) ductile y) extractive z) tactile

Description : If a metal can be drawn into wires relatively easily it is called: w) malleable x) ductile y) extractive z) tactile

Last Answer : ANSWER: X -- DUCTILE

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

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  

Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of __________ percent of U-235 (i.e. fissile material). (A) 15 (B) 45 (C) 65 (D) 85

Description : Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of __________ percent of U-235 (i.e. fissile material). (A) 15 (B) 45 (C) 65 (D) 85

Last Answer : (D) 85

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

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  

Candu reactor is a __________ nuclear reactor. (A) Natural uranium fuelled heavy water cooled & moderated (B) Highly enriched uranium (85% U-235) fuelled (C) Homogeneous (D) Fast breeder

Description : Candu reactor is a __________ nuclear reactor. (A) Natural uranium fuelled heavy water cooled & moderated (B) Highly enriched uranium (85% U-235) fuelled (C) Homogeneous (D) Fast breeder

Last Answer : (A) Natural uranium fuelled heavy water cooled & moderated

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

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

To reverse the direction of rotation of a three-phase AC induction motor, do one of the following: w) reverse any two of the three-phase connections x) change the frequency of the applied AC power y) operate the motor below the stall torque at very high slip z) none of the above

Description : To reverse the direction of rotation of a three-phase AC induction motor, do one of the following: w) reverse any two of the three-phase connections x) change the frequency of the applied AC power y) operate the motor below the stall torque at very high slip z) none of the above

Last Answer : ANSWER: W -- REVERSE ANY TWO OF THE THREE-PHASE CONNECTIONS 

Plants get their nitrogen from: w) rain x) the soil y) the air z) the bedrock

Description : Plants get their nitrogen from: w) rain x) the soil y) the air z) the bedrock

Last Answer : ANSWER: X -- THE SOIL

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

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 

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

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 

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.

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. 

If a scuba diver suffers from the "bends", this means that which gas is being rapidly released from the blood and tissues? w) oxygen x) hydrogen y) nitrogen z) CO2

Description : If a scuba diver suffers from the "bends", this means that which gas is being rapidly released from the blood and tissues? w) oxygen x) hydrogen y) nitrogen z) CO2

Last Answer : ANSWER: Y -- NITROGEN 

Nitrous oxide, commonly called laughing gas, has been a matter of concern to environmentalists recently because: w) it is thought to cause cancer at low concentrations. x) it produces photochemical smog. y) it is a greenhouse gas. z) none of the above

Description : Nitrous oxide, commonly called laughing gas, has been a matter of concern to environmentalists recently because: w) it is thought to cause cancer at low concentrations. x) it produces photochemical smog. y) it is a greenhouse gas. z) none of the above

Last Answer : ANSWER: Y -- IT IS A GREENHOUSE GAS.

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

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