Nuclear Power Engineering Quiz 2
1 / 50
Molten sodium is used as a coolant in a fast breeder reactor, because of its__________?
2 / 50
Net efficiency of ordinary light water cooled nuclear reactor is about ______ percent?
3 / 50
Percentage of U-238 in natural uranium is around___________?
4 / 50
Out of the following places, a nuclear power plant is not located at_______?
5 / 50
Pick out the correct statement?
6 / 50
Liquid metal (e.g., molten sodium) is preferred as a coolant in case of a/an _______ reactor?
7 / 50
Isotopes of an element have different__________?
8 / 50
Percentage of heavy water in ordinary water is around___________?
9 / 50
Nuclear fuel usually used in a Boiling Water Reactor (BWR) is___________?
10 / 50
Pick out the wrong statement?
11 / 50
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?
12 / 50
Percentage of the heavy water in ordinary water is around ______?
13 / 50
Heavy water is preferred over ordinary water as a coolant, because it?
14 / 50
15 / 50
Out of the following, nucleus of ______ atom contains the largest number of neutrons?
16 / 50
H2 is a better coolant than CO2, due to it?s relatively______?
17 / 50
Molten sodium (as a coolant in fast breeder reactor) ?
18 / 50
Heat is generated in a nuclear reactor (thermal) by__________?
19 / 50
In nuclear reactions, _______ number is conserved?
20 / 50
Heavy water has maximum density at _______ ?C ?
21 / 50
Moderating material used in a thermal-reactor should be a ______?
22 / 50
Number of secondary neutron emitted on fission of an atom of U-235 by slow neutron bombardment is________?
23 / 50
Heavy water (D2O) in a nuclear reactor serves as a________?
24 / 50
Isotopes of an element have the same___________?
25 / 50
Hydrogen bomb employs the nuclear fusion of ___________ ?
26 / 50
27 / 50
28 / 50
In the nuclear reaction, 93N239? 94Pu239 + ?; the missing particle is a/an___________?
29 / 50
30 / 50
In a nuclear explosion, the energy is released primarily in the form of ______ energy?
31 / 50
Ordinary water is not used as a moderator because, it_____?
32 / 50
In a pressurised water reactor (PWR), the_____?
33 / 50
In ?-decay of radioactive material, the ratio of neutron to proton______?
34 / 50
Heavy water is used as a moderator in a _______?
35 / 50
Hydrogen has _______ isotopes?
36 / 50
Main source of _______ is monazite sand?
37 / 50
Nuclear fuel generally used in reactors is uranium oxide instead of uranium, because the former has higher _______?
38 / 50
39 / 50
Isotopes of an element have different_______?
40 / 50
In a homogeneous nuclear reactor, the ______ are mixed together?
41 / 50
How many atoms are present in one gm-atom of an element ?
42 / 50
Neutrons have mass approximately equal to that of ______ atoms?
43 / 50
Heavy water used in the nuclear reactors to slow down the speed of neutrons is ___________?
44 / 50
Hydrogen differs from deuterium in ______ properties?
45 / 50
Nuclear reactors are provided with shield to guard against the emission of mainly ______ rays?
46 / 50
Nuclides having the same atomic numbers are termed as_____?
47 / 50
Mass of a positron is same as that of a/an___________?
48 / 50
In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous _________?
49 / 50
One ?amu? is equivalent to_____?
50 / 50
Nuclear fuel complex, Hyderabad is engaged in the job of _____?
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