Description : Which of the following is a fuel for a fusion reactor (thermonuclear reactor)? (A) Deuterium and tritium (B) U-233 (C) Thorium (D) Heavy water
Last Answer : (A) Deuterium and tritium
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
Description : Which is a fertile nuclear fuel? (A) U-233 (B) U-235 (C) Pu-239 (D) Th-232
Last Answer : (D) Th-232
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 : Thorium-232 is converted into uranium-233 in a/an __________ nuclear reactor. (A) Thermal (B) Fast breeder (C) Heavy water moderated (D) Enriched uranium
Description : Which of the following is not a naturally occurring nuclear fuel? (A) Uranium-238 (B) Thorium-233 (C) Plutonium-239 (D) None of these
Last Answer : (C) Plutonium-239
Description : Which is not a fissile nuclear material? (A) U-233 (B) U-235 (C) U-238 (D) Pu-239
Last Answer : (C) U-238
Description : Enrichment of uranium is done to increase the concentration of__________ in the natural uranium. (A) U-238 (B) U-233 (C) U-235 (D) Pu-239
Last Answer : (C) U-235
Description : Which of the following is not, a fertile material? (A) Th-232 (B) U-238 (C) U-233 (D) None of these
Last Answer : (C) U-233
Description : Radioactive isotope of Uranium used in Nuclear Bomb is ? A.92 U 235 (Answer) B.92 U 234 C. 92 U 233 D. 92 U 238
Last Answer : A.92 U 235 (Answer)
Description : Fast breeder test reactor at Kalpakkam (INDIA) is designed for using (A) Thorium as a fertile material (B) U-238 as a fertile material (C) Helium as a coolant (D) Uranium ore directly as a fuel
Last Answer : (A) Thorium as a fertile material
Description : Which reactor uses natural uranium as fuel ?
Last Answer : Gas cooled reacator.
Description : A thermal nuclear reactor compared to a fast breeder reactor (A) Uses slower neutrons for fission (B) Uses faster neutrons for fission (C) Gives higher power density (D) Requires less fuel to run at the same power level
Last Answer : (A) Uses slower neutrons for fission
Description : A fast breeder reactor (A) Uses natural uranium as fuel (B) Does not require a moderator (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (B) Does not require a moderator
Description : A fast reactor uses: w) an extremely short time to get to the maximum operating reactivity. x) uranium-235 as fuel. y) heavy water as a coolant. z) essentially unmoderated neutrons.
Last Answer : ANSWER: Z -- ESSENTIALLY UNMODERATED NEUTRONS.
Description : Heat is generated in a nuclear reactor (thermal) by (A) Combustion of a nuclear fuel e.g. uranium (B) Fusion of atoms of uranium (C) Absorption of neutrons in uranium atoms (D) Fission of U-235 by neutrons
Last Answer : (D) Fission of U-235 by neutrons
Description : A fast breeder reactor employs (A) Graphite as moderator (B) Water as coolant (C) Molten sodium as coolant as well as moderator (D) U-235 as fuel
Last Answer : (D) U-235 as fuel
Description : What is 233.356 rounded into two significant figures?
Last Answer : 230
Description : my sugar level is 233 is this bad?
Last Answer : my sugar level is 233 is this bad
Description : The term District Judge is mentioned in which of the following Article of Constitution? (1) Article 230 (2) Article 231 (3) Article 232 (4) Article 233
Last Answer : (4) Article 233 Explanation: In Article 233, the term District Judge has been mentioned in the Indian Constitution.
Description : The number of neutrons in the nucleus of Uranium-233 (92U233 ) is (A) 141 (B) 92
Last Answer : (A) 141
Description : Which of the following is artificially produced as it does not occur in nature? (A) Uranium-235 (B) Uranium-233 (C) Plutonium-239 (D) Both (B) and (C)
Last Answer : (D) Both (B) and (C)
Description : Which of the following is a non-fissile material? (A) Plutonium-239 (B) Uranium-235 (C) Uranium-233 (D) Thorium-232
Last Answer : (D) Thorium-232
Description : Thorium-232 (a fertile material) on absorption of a neutron gets converted into __________ , which is a fissile material. (A) Thorium-233 (B) Uranium-235 (C) Uranium-233 (D) Plutonium-239
Last Answer : (C) Uranium-233
Description : Which of the following pairs is not correctly matched? (A) Uranium - 233 : Fertile material (B) Binding energy : Mass defect (C) Scattering: Absorption cross-section (D) Number of nucleons : Mass number
Last Answer : (A) Uranium - 233 : Fertile material
Description : An intermediate T-beam reinforced with two layers of tensile steel with clear cover 13 cm encasted with the floor of a hall 12 metres by 7 metres, is spaced at 3 metres from adjoining beams and if the width of the beam is ... breadth of the flange is (A) 300 cm (B) 233 cm (C) 176 cm (D) 236 cm
Last Answer : Answer: Option C
Description : (1024 − 263 − 233) ÷ (986 − 764 − 156) = ? a) 9 b) 6 c) 7 d) 8 e) None of these
Last Answer : Answer: d)
Description : . What is the ratio of the total investment in Metals to that in Machinery? a) 135 : 302 b) 24 : 49 c) 2 : 4 d) 197 : 226 e) 123 : 233
Last Answer : d) 197 : 226
Description : Torque and bending moment of 100 kN.m and 200 kN.m acts on a shaft which has external diameter twice of internal diameter. What is the external diameter of the shaft which is subjected to a maximum shear stress of 90 N/mm2? a. 116.5 mm b. 233.025 mm c. 587.1 mm d. 900 mm
Last Answer : c. 587.1 mm
Description : Which was the The first atomic power reactor in India? -Do You Know?
Last Answer : answer:
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
Description : Primary purpose of a __________ nuclear reactor is to supply a high neutron flux of the order of 10 13 to 10 14neutrons/cm2 second. (A) Research (B) Power (C) Breeder (D) Homogeneous
Last Answer : (A) Research
Description : Which element is used as fuel in nuclear reactor ?
Last Answer : Uranium-235 element is used as fuel in nuclear reactors.
Description : In a nuclear reactor the moderator is usually made of graphite placed between the fuel rods used to slow down neutrons all of the above none of the above?
Last Answer : Feel Free to Answer
Description : Fuel used in a nuclear reactor is (a) Uranium (b) Heavy water (c) Barium (d) Cadmium
Last Answer : Ans:(a)
Description : In Nuclear reactors graphite is used as (1) Lubricant (2) Fuel (3) Linear of the reactor (4) Modulator
Last Answer : (4) Modulator Explanation: Nuclear reactors are used at nuclear power plants for electricity generation. These are generally graphite moderated and CO2 cooled.
Description : The fuel used in an atomic reactor is – (1) Coal (2) Petrol (3) Combustable gases (4) Uranium
Last Answer : (4) Uranium Explanation: A nuclear reactor is a device to initiate and control a sustained nuclear chain reaction. Most commonly they are used for generating electricity and for the propulsion of ships ... . Some produce isotopes for medical and industrial use, and some are run only for research.
Description : In nuclear reactor, heavy water is used as – (1) coolant (2) fuel (3) moderator (4) atomic smasher
Last Answer : (3) moderator Explanation: Heavy water is used in certain types of nuclear reactors where it acts as a neutron moderator to slow down neutrons so that they are more likely to react with ... do not require uranium enrichment, heavy water reactors are of concern in regards to nuclear proliferation.
Description : In a nuclear reactor, one of the following is used as a fuel. (1) Coal (2) Uranium (3) Radium (4) Diesel
Last Answer : (2) Uranium Explanation: Many contemporary uses of uranium exploit its unique nuclear properties. Uranium-235 has the distinction of being the only naturally occurring fissile isotope. Uranium-238 is ... uranium-233, can be produced from natural thorium and is also important in nuclear technology.
Description : The most commonly used feed stock for the reforming reactor is (A) Heavy fuel oil (B) Residuum (C) Straight run gasoline (D) Casing head gasoline
Last Answer : (C) Straight run gasoline
Description : Biological shield is provided in a nuclear power reactor to protect the __________ from radiation damage. (A) Fuel elements (B) Operating personnels (C) Walls of the reactor (D) None of these
Last Answer : (B) Operating personnels
Description : Fuel for a fast breeder reactor is (A) Plutonium (B) Uranium (C) Radium (D) Neptunium
Last Answer : (A) Plutonium
Description : Commercial power generation from fusion reactor is not yet possible, because (A) It is difficult to control nuclear fusion reaction (B) The fuel required (i.e., deuterium & tritium) is ... to initiate fusion reaction (D) Quantity of fuel required for initiating fusion reaction is prohibitively high
Last Answer : (A) It is difficult to control nuclear fusion reaction
Description : Thermal shield is used in high powered nuclear reactors to (A) Protect the walls of the reactor from radiation damage B) Absorb the fast neutrons (C) Slow down the secondary neutrons (D) Protect the fuel element from coming in contact with the coolant
Last Answer : (A) Protect the walls of the reactor from radiation damage
Description : A boiling water reactor is the one, in which the (A) Coolant water is allowed to boil in the core of the reactor (B) Coolant water, after being heated in the reactor core, generates steam ... water is pumped into the core (D) Fuel and the coolant are thoroughly mixed to form a homogeneous solution
Last Answer : (A) Coolant water is allowed to boil in the core of the reactor
Description : In a pressurised water reactor (PWR), the (A) Fuel is natural uranium and heavy water acts both as moderator & coolant (B) Coolant water boils in the core of the reactor (C) Coolant water is pressurised to prevent bulk boiling of water in the core (D) Use of moderator is not required
Last Answer : (C) Coolant water is pressurised to prevent bulk boiling of water in the core
Description : In a homogeneous nuclear reactor, the __________ are mixed together. (A) Fuel & coolant (B) Fuel & moderator (C) Coolant & moderator (D) None of these
Last Answer : (B) Fuel & moderator
Description : A homogeneous reactor is the one, in which the (A) Fissile atoms are evenly distributed throughout the mass of nuclear reactor (B) Same substance (e.g. heavy water) is used as moderator & coolant (C) The fuel and the moderator is mixed to form a homogeneous material (D) All (A), (B) and (C)
Last Answer : (C) The fuel and the moderator is mixed to form a homogeneous material
Description : Nuclear fuel usually used in a Boiling Water Reactor (BWR) is (A) Plutonium (B) Enriched uranium (C) Natural uranium (D) Thorium
Last Answer : (B) Enriched uranium