Nuclear Power Engineering Water is a better coolant than a gas (like CO₂, He, N₂ etc.), because it Requires comparatively smaller pumps and heat exchanger for a given heat transfer rate Is a better neutron moderator as well All of these Has a better heat transfer characteristics, and it can be pressurised to attain a high temperature Requires comparatively smaller pumps and heat exchanger for a given heat transfer rate Is a better neutron moderator as well All of these Has a better heat transfer characteristics, and it can be pressurised to attain a high temperature ANSWER DOWNLOAD EXAMIANS APP
Nuclear Power Engineering In a pressurised water reactor (PWR), the Coolant water is pressurised to prevent bulk boiling of water in the core Use of moderator is not required Coolant water boils in the core of the reactor Fuel is natural uranium and heavy water acts both as moderator & coolant Coolant water is pressurised to prevent bulk boiling of water in the core Use of moderator is not required Coolant water boils in the core of the reactor Fuel is natural uranium and heavy water acts both as moderator & coolant ANSWER DOWNLOAD EXAMIANS APP
Nuclear Power Engineering What is the average life of a radioactive atom having a 'half life period' of T? 2T 1.44 T 14.4 T 0.144 T 2T 1.44 T 14.4 T 0.144 T ANSWER DOWNLOAD EXAMIANS APP
Nuclear Power Engineering Thorium⁻²32 (a fertile material) on absorption of a neutron gets converted into __________ , which is a fissile material. Thorium⁻²33 Uranium⁻²33 Uranium⁻²35 Plutonium⁻²39 Thorium⁻²33 Uranium⁻²33 Uranium⁻²35 Plutonium⁻²39 ANSWER DOWNLOAD EXAMIANS APP
Nuclear Power Engineering Gas cooling as compared to water cooling of nuclear reactors Is more efficient as gas has a higher specific heat Can not attain a high temperature Can produce only saturated steam for feeding to power turbine None of these Is more efficient as gas has a higher specific heat Can not attain a high temperature Can produce only saturated steam for feeding to power turbine None of these ANSWER DOWNLOAD EXAMIANS APP
Nuclear Power Engineering In the nuclear reaction, 93N239 → 93Pu239 + ?; the missing particle is a/an Neutron Proton Position Electron Neutron Proton Position Electron ANSWER DOWNLOAD EXAMIANS APP
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