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
Description : What “Enrico Fermi” invented? A. X ray machine B. Betatron C. Cyclotron D. Nuclear reactor (Answer)
Last Answer : D. Nuclear reactor (Answer)
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 : Natural radioactivity was discovered by - (1) Marie Curie (2) Ernest Rutherfor (3) Henri Becquerel (4) Enrico Fermi
Last Answer : (3) Henri Becquerel Explanation: The Discovery of Radioactivity. In 1896 Henri Becquerel was using naturally fluorescent minerals to study the properties of xrays, which had been discovered in 1895 by Wilhelm Roentgen.
Description : Dr. Linus Carl Pauling is the only person to have won two Nobel Prizes individually for: A. Chemistry in 1954, peace prize in 1962 B. Peace prize in 1954, Chemistry in 1962 C. Physics in 154, Medicine in 1962 D. Medicine in 1954, Physics in 1962
Last Answer : A. Chemistry in 1954, peace prize in 1962
Description : What is the distinction shared by Marie Curie and Linus Pauling?
Last Answer : ANSWER: THEY BOTH RECEIVED TWO NOBEL PRIZES
Description : Which of the following scientists is responsible for the exclusion principle which states that two objects may NOT occupy the same space at the same time? Was it: w) Heisenberg x) Bohr y) Teller z) Pauli
Last Answer : ANSWER: Z -- PAULI
Description : The idea that we CANNOT know both the position and velocity of a subatomic particle at the same time was formulated by: w) Einstein x) Heisenberg y) Fermi z) Schroedinger
Last Answer : ANSWER: X -- HEISENBERG
Description : The dark lines constituting the absorption spectrum exhibited by sunlight are frequently called: w) Fresnel lines x) Fraunhofer lines y) Fermi lines z) Franklin lines
Last Answer : ANSWER: X -- FRAUNHOFER LINES
Description : The random motion of particles suspended in a fluid is called: w) Boson Condensation x) Fermi Motion y) Brownian Motion z) Pauli Motion
Last Answer : ANSWER: Y -- BROWNIAN MOTION
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
Description : Who developed Hydrogen Bomb? (1) Wernher Von Braun (2) J. Robert Oppen Heimer (3) Edward Teller (4) Samuel Cohen
Last Answer : (3) Edward Teller Explanation: Portions of the development and history of the hydrogen bomb remain classified. But it is public knowledge that its chief architect was Dr. Edward Teller. The first H ... the Teller-Ulam design, after Edward Teller and Stanislaw Ulam who helped in the project too.
Description : Who developed Ballistic Missile? (1) Wernher Von Braun (2) J. Robert Oppenheimer (3) Edward Teller (4) Samuel Cohen
Last Answer : Wernher Von Braun
Description : Who developed Ballistic Missile? (1) Wernher von Braun (2) J. Rober Oppenheimer (3) Edward Teller (4) Samuel Cohen
Last Answer : Wernher von Braun
Description : Of the following, which non-fissioning element is used in the cooling water of nuclear power plants to help control the rate of the fission reaction by absorbing neutrons: w) zirconium x) boron y) krypton z) cesium
Last Answer : ANSWER: X -- BORON
Description : In the equation of a nuclear reaction, all but one of the following quantities are equal to each other on both sides of the equation. Which quantity is NOT conserved: w) the net electric charge x) the total mass-energy y) the number of protons z) the number of nucleons
Last Answer : ANSWER: Y -- THE NUMBER OF PROTONS
Description : Who was the first American chemist to receive a Nobel Prize? He was selected in 1914 for his precise determination of atomic weights. w) Edward Frankland x) Theodore Richards y) John Bardeen z) Paul Dirac
Last Answer : ANSWER: X -- THEODORE RICHARDS
Description : Which unit we use to express nuclear sizes? (1) Tesla (2) Newton (3) Fermi (4) None of above
Last Answer : (3) Fermi
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 : Weather satellites transmit cloud cover and temperature-humidity profiles back to Earth using images of which combination of the electromagnetic radiation types? w) infra-red and visible light x) ultraviolet and nuclear magnetic y) ultraviolet and infra-red z) ultraviolet and visible light
Last Answer : ANSWER: W -- INFRA-RED AND VISIBLE LIGHT
Description : Most of the new atoms formed when atoms in a nuclear reactor capture neutrons without fissioning are: w) fission products x) activation products y) actinides z) lead isotopes
Last Answer : ANSWER: Y -- ACTINIDES
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.
Description : Of the following, which is the best fuel for a nuclear fusion reactor: w) hydrogen x) lithium y) deuterium z) helium
Last Answer : ANSWER: Y -- DEUTERIUM
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
Description : The form of the fuel in U.S. commercial nuclear power plants is which of the following: w) uranium oxide ceramic pellets x) atomic vapor y) uranium metal tubes z) uranium solution in water
Last Answer : ANSWER: W -- URANIUM OXIDE CERAMIC PELLETS
Description : The part of a nuclear power plant that prevents thermal pollution of lakes or rivers is the: w) reactor x) coolant/moderator y) cooling tower z) control rod
Last Answer : ANSWER: Y -- COOLING TOWER
Description : What process produces most of the energy that is radiated by the Sun? w) gravitational contraction x) chemical combustion y) nuclear fusion z) nuclear fission
Last Answer : ANSWER: Y -- NUCLEAR FUSION
Description : The Grand Unified Theory of the forces of nature combines three of the four forces. Which force is NOT included? w) gravitational x) electromagnetic y) weak nuclear z) strong nuclear
Last Answer : ANSWER: W -- GRAVITATIONAL
Description : The neutrons in an atom: w) are part of the nuclear charge x) rotate about the nucleus in elliptical orbits y) vary in number with different isotopes z) are always equal in number to the total number of protons
Last Answer : ANSWER: Y -- VARY IN NUMBER WITH DIFFERENT ISOTOPES
Description : Both α-helix and β-pleated sheet conformation of proteins were proposed by (A) Watson and Crick (B) Pauling and Corey (C) Waugh and King (D) Y.S.Rao
Last Answer : Answer : B
Description : Brunauer, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates ... (except the first one) is involved in each of the evaporation process (D) None of these
Last Answer : (B) There is no dynamic equilibrium between successive layer
Description : First experimental observation of nuclear fission was done by (A) Plane (B) Rutherford (C) Fermi (D) Hahn and Strassmann
Last Answer : (C) Fermi
Description : Nuclear sizes are expressed in a unit named - (1) Fermi (2) Angstrom (3) Newton (4) Tesla
Last Answer : (1) Fermi Explanation: The fermi (1 fm = 10⁻¹⁵ m) is of the order of magnitude of the size of nucleons and nuclei, so it is more appropriate to describe sizes for nuclear phenomena.
Description : The most suitable unit for expressing nuclear radius is - (1) nanometre (2) fermi (3) angstrom (4) micron
Last Answer : (2) fermi Explanation: The atomic radius is a measure of the size of an atom. It is defined as one half the distance between the nuclei of two identical atoms that are bonded together. Angstrom is the most common unit used for measuring atomic radius.
Description : The most suitable unit for expressing nuclear radius is : (1) nanometre (2) fermi (3) angstrom (4) micron
Last Answer : angstrom
Description : In the fission of U235, what is the average number of neutrons produced in the fission reaction? w) 1.5 x) 2.5 y) 3.5 z) 4.5
Last Answer : ANSWER: X -- 2.5
Description : A reduction reaction always involves the: w) loss of electrons x) gain of electrons y) addition of oxygen z) removal of oxygen
Last Answer : ANSWER: X -- GAIN OF ELECTRONS
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 : Which of the following is the most important chemically-active fluid involved in the formation of rocks? w) hydrochloric acid x) sulfuric acid y) water z) methane
Last Answer : ANSWER: Y -- WATER
Description : Based on the intermolecular forces involved, which of the following molecules will have the lowest boiling point? w) ethane x) methyl alcohol y) methyl amine z) methyl fluoride
Last Answer : ANSWER: W -- ethane
Description : When a radioisotope undergoes beta minus decay, does its atomic number: w) increase x) decrease y) remain the same z) vary depending on the element involved
Last Answer : ANSWER: W -- INCREASE
Description : Which of the following energy technologies is not utilized for power generation today? w) Nuclear Fission x) Solar Ponds y) Geothermal Power z) Nuclear Fusion
Last Answer : ANSWER: Z -- NUCLEAR FUSION
Description : The force responsible for drops of liquid assuming a spherical shape is known as: w) strong nuclear force x) Van der Waals attraction y) surface tension z) osmotic pressure
Last Answer : ANSWER: Y -- SURFACE TENSION
Description : As one goes across a period in the periodic table, the ionization energy generally increases for one of the following reasons. Is it because of the increasing w) atomic radius x) melting point y) nuclear charge z) density
Last Answer : ANSWER: Y -- NUCLEAR CHARGE
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 : 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, 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 : 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
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 : 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