Nuclear Power Engineering H₂ is a better coolant than CO₂, due to its relatively Lower density Lower neutron capture cross-section Non-reactivity to uranium Higher specific heat Lower density Lower neutron capture cross-section Non-reactivity to uranium Higher specific heat ANSWER DOWNLOAD EXAMIANS APP
Nuclear Power Engineering Ordinary water is not used as a moderator because, it Has a low absorption cross-section Does not absorb neutrons Has a low scattering cross-section Absorbs neutrons Has a low absorption cross-section Does not absorb neutrons Has a low scattering cross-section Absorbs neutrons ANSWER DOWNLOAD EXAMIANS APP
Nuclear Power Engineering Molten sodium is used as a coolant in a fast breeder reactor, because of its Neutron breeding capability Excellent moderating properties Capability to increase the reaction rate in the core Faster heat removal capability from the core Neutron breeding capability Excellent moderating properties Capability to increase the reaction rate in the core Faster heat removal capability from the core ANSWER DOWNLOAD EXAMIANS APP
Nuclear Power Engineering The decrease in the atomic number is not observed in case of Positron emission Β-emission Α-emission Electron capture Positron emission Β-emission Α-emission Electron capture ANSWER DOWNLOAD EXAMIANS APP
Nuclear Power Engineering Which of the following is the most harmful for the human being? X-rays Ultra violet rays Β-rays Γ-rays X-rays Ultra violet rays Β-rays Γ-rays ANSWER DOWNLOAD EXAMIANS APP
Nuclear Power Engineering The amount of a radioisotope remaining undecayed after a time equal to four times its half life, will be __________ percent. 25 6.25 3.125 12.5 25 6.25 3.125 12.5 ANSWER DOWNLOAD EXAMIANS APP
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