Metallurgy Of Nuclear Metals — Part 1 MCQs with Explanations

free from radiation damage & non-corrosive is the correct answer to “An ideal coolant for a nuclear reactor should be”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

helium is the correct answer to “Decay product of tritium which is a Beta emitter is”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

boiling water is the correct answer to “Nuclear power reactor located at Tarapur is of the . . . . . . . . type.”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

32 is the correct answer to “Net efficiency of an ordinary (light) water cooled nuclear reactor is about . . . . . . . . per cent.”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

isotones is the correct answer to “Atoms with the same number of neutrons, but different number of nucleons are called”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

α-rays is the correct answer to “Which of the following radiation is the least penetrating”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

0.05-0.10 is the correct answer to “Percentage of natural uranium in uranium ore mined at Jadugoda (Jharkhand) is about”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

2200 is the correct answer to “Velocity of the thermal neutron (< 0.025 eV) used for fission of U-235 may be around . . . . . . . . m/sec.”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

fuel & the moderator are mixed to form a homogeneous material is the correct answer to “A homogeneous nuclear reactor is the one, in which the”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

Molten sodium is the correct answer to “Which of the following is not a moderator used in nuclear reactors”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

Boiling water reactor is the correct answer to “Which of the following nuclear reactors is the most prone to radioactive hazards”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

helium is the correct answer to “The decay product of tritium (a beta embitter) is”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

absorption of neutrons is the correct answer to “Function of control rod in a nuclear reactoris to control the”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

3 is the correct answer to “Number of secondary neutrons emitted on fission of an atom of U-235 on slow neutron bombardment is”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

H2 is the correct answer to “Which is used as a coolant in nuclear reactor due to high neutron capture cross-section”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

Boiling water reactor is the correct answer to “Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature & pressure limits of the reactor”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

uses molten sodium as moderator is the correct answer to “Pick out the wrong statement about a fast breeder reactor. A fast breeder reactor”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

Nitrogen is the correct answer to “Which of the following gases has very high neutron capture cross-section, making it unsuitable as a coolant in nuclear reactors”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

ordinary is the correct answer to “Light water' used as a coolant in nuclear reactor is nothing but . . . . . . . . water.”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

first is the correct answer to “Radioactive decay is a . . . . . . . . order reaction.”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

progressively decreases is the correct answer to “Disintegration rate of a radioactive element”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

high neutron scatter cross-section is the correct answer to “Enriched uranium is required as a fuel in a nuclear reactor. Light water is used as moderator & coolant, because light water has”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

none of these is the correct answer to “The radioactive isotope of hydrogen is”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

breeder is the correct answer to “If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a . . . . . . . . reactor.”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

fuel are present in different phases (e.g. uranium & heavy water) is the correct answer to “A heterogeneous nuclear reactor is the one in which the moderator & the”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

hexaflouride is the correct answer to “In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous uranium”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

electromagnetic is the correct answer to “The type of pump used for recirculation of molten sodium coolant in liquid metal cooled reactor is the . . . . . . . . pump.”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

fast breeder is the correct answer to “Thorium-232 is converted into uranium-233 in a . . . . . . . . nuclear reactor.”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

10 is the correct answer to “If 4 gm of a radioisotope has a half life period of 10 days, the half life of 2 gm of the same isotope will be . . . . . . . . days.”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

coolant water is pressurised to prevent bulk boiling of water in the core is the correct answer to “In a pressurized water reactor (PWR), the”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

enriched uranium is the correct answer to “Nuclear fuel usually used in a BWR is”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

maintaining constant pressure in the primary cooling circuit under varying loads is the correct answer to “Pressure in a PWR is used for”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

faster heat removal capability from core is the correct answer to “Molten sodium is used as a coolant in fast breeder reactor, because of its”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

19 is the correct answer to “Specific gravity of uranium & plutonium is about”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

A natural uranium fuelled and heavy water cooled & moderated is the correct answer to “Candu reactor is a . . . . . . . . reactor.”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

steam is the correct answer to “Coolant used in boiling water reactor is”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

use thorium-232 as fissile fuel is the correct answer to “A fast breeder reactor does not”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

11.6 is the correct answer to “Heavy water has the maximum density at . . . . . . . . °C.”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

Fast breeder reactor is the correct answer to “Which of the following does not need a moderator”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.

P-3, Q-1, R-2, S-4 is the correct answer to “Match List I and List II and select the correct answer: List-I List-II P. Prepared fuel 1. Uranium-235 Q. Primary fuel 2. Graphite R. moderator 3. Uranium-233 S. Control rod 4. Cadniium”. This question is standard in competitive examination syllabi for Metallurgy Of Nuclear Metals.