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.Management Sciences
Category: Nuclear Power Engineering
Which of the following is not a naturally occurring nuclear fuel ?
A. Uranium-238
B. Thorium-233
C. Plutonium-239
D. None of these
Which of the following is a non-fissile material ?
A. Plutonium-239
B. Uranium-235
C. Uranium-233
D. Thorium-232
Quantity of fissionable material (i.e. U-235) in natural uranium is _____________ percent?
A. 0.71
B. 6.31
C. 99.29
D. 12.73
The emission of an a-particle causes the resultant nucleus to have____________________?
A. More atomic weight and less atomic number
B. Less atomic weight and less atomic number
C. Less atomic weight and more atomic number
D. None of these
Commercial power generation from fusion reactor is not yet possible, because___________________?
A. It is difficult to control nuclear fusion reaction
B. The fuel required (i.e., deuterium & tritium) is scarce
C. It is difficult to initiate fusion reaction
D. Quantity of fuel required for initiating fusion reaction is prohibitively high
In a pressurised water reactor (PWR), the___________________?
A. Fuel is natural uranium and heavy water acts both as moderator & coolant
B. Coolant water boils in the core of the reactor
C. Coolant water is pressurised to prevent bulk boiling of water in the core
D. Use of moderator is not required
Tarapur (INDIA) atomic power station____________________?
A. Has two boiling water reactors of American design
B. Has an installed capacity of 400 MW
C. Is the first power reactor in India, which became critical in 1969
D. All A., B. and C.
Critical energy should be _______________ the neutron binding energy of the atom in order to initiate a nuclear fission?
A. Equal to
B. Less than
C. More than
D. Either more or less
Energy equivalent to one atomic mass unit (amu) is ______________ MeV?
A. 9.31
B. 93.1
C. 931
D. 9310
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