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Nuclear Power Engineering Quiz 2

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Nuclear Power Engineering Quiz 2

1 / 50

Nuclear fuel generally used in reactors is uranium oxide instead of uranium, because the former has higher _______?

2 / 50

Isotopes of an element have the same___________?

3 / 50

Nuclear fuel usually used in a Boiling Water Reactor (BWR) is___________?

4 / 50

Hydrogen differs from deuterium in ______ properties?

5 / 50

Mass of a positron is same as that of a/an___________?

6 / 50

Pick out the wrong statement?

7 / 50

Out of the following, nucleus of ______ atom contains the largest number of neutrons?

8 / 50

How many atoms are present in one gm-atom of an element ?

9 / 50

Nuclear fuel complex, Hyderabad is engaged in the job of _____?

10 / 50

In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous _________?

11 / 50

In a pressurised water reactor (PWR), the_____?

12 / 50

Out of the following places, a nuclear power plant is not located at_______?

13 / 50

Molten sodium (as a coolant in fast breeder reactor) ?

14 / 50

Hydrogen bomb employs the nuclear fusion of ___________ ?

15 / 50

Pick out the correct statement?

16 / 50

Molten sodium is used as a coolant in a fast breeder reactor, because of its__________?

17 / 50

Moderating material used in a thermal-reactor should be a ______?

18 / 50

Percentage of heavy water in ordinary water is around___________?

19 / 50

Pick out the wrong statement?

20 / 50

In a homogeneous nuclear reactor, the ______ are mixed together?

21 / 50

One ?amu? is equivalent to_____?

22 / 50

In nuclear reactions, _______ number is conserved?

23 / 50

Heat is generated in a nuclear reactor (thermal) by__________?

24 / 50

Isotopes of an element have different__________?

25 / 50

Heavy water used in the nuclear reactors to slow down the speed of neutrons is ___________?

26 / 50

H2 is a better coolant than CO2, due to it?s relatively______?

27 / 50

Liquid metal (e.g., molten sodium) is preferred as a coolant in case of a/an _______ reactor?

28 / 50

Pick out the correct statement?

29 / 50

Isotopes of an element have different_______?

30 / 50

Pick out the wrong statement?

31 / 50

Heavy water is used as a moderator in a _______?

32 / 50

Number of secondary neutron emitted on fission of an atom of U-235 by slow neutron bombardment is________?

33 / 50

Neutrons have mass approximately equal to that of ______ atoms?

34 / 50

Heavy water (D2O) in a nuclear reactor serves as a________?

35 / 50

Heavy water is preferred over ordinary water as a coolant, because it?

36 / 50

Nuclear reactors are provided with shield to guard against the emission of mainly ______ rays?

37 / 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?

38 / 50

Percentage of U-238 in natural uranium is around___________?

39 / 50

In the nuclear reaction, 93N239? 94Pu239 + ?; the missing particle is a/an___________?

40 / 50

In a nuclear explosion, the energy is released primarily in the form of ______ energy?

41 / 50

Percentage of the heavy water in ordinary water is around ______?

42 / 50

Net efficiency of ordinary light water cooled nuclear reactor is about ______ percent?

43 / 50

Heavy water has maximum density at _______ ?C ?

44 / 50

Ordinary water is not used as a moderator because, it_____?

45 / 50

Nuclides having the same atomic numbers are termed as_____?

46 / 50

Hydrogen has _______ isotopes?

47 / 50

In ?-decay of radioactive material, the ratio of neutron to proton______?

48 / 50

Pick out the wrong statement?

49 / 50

Main source of _______ is monazite sand?

50 / 50

Pick out the wrong statement?

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