acts both as an efficient coolant as well as a moderator.
can be heated to a higher temperature without pressurizing.
is less prone to radiation damage.
all (a), (b) and (c).
✅ The correct answer is option D.
Engineering
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3492. Main source of __________ is monazite sand.
uranium
polonium
hafnium
thorium
✅ The correct answer is option D.
3493. Percentage of the heavy water in ordi water is around
0.015
7.54
0.71
32.97
✅ The correct answer is option A.
3494. Positron is a/an
nucleus having two protons.
helium nucleus.
electron with positive charge.
nucleus with one proton and one neutron.
✅ The correct answer is option C.
3495. Thorium can be converted into U-233 in a __________ reactor.
liquid metal cooled
fast breeder
thermal
swimming pool
✅ The correct answer is option B.
3496. Energy equivlant to one atomic mass unit (amu) is __________ MeV.
9.31
93.1
931
9310
✅ The correct answer is option C.
3497. Which is a fertile nuclear fuel ?
U-233
U-235
Pu-239
Th-232
✅ The correct answer is option D.
3498. The ratio of neutrons to protons of an element having a mass number and atomic number of 80 and 40 respectively is
1
0.5
2
4
✅ The correct answer is option A.
3499. Thorium-232 is converted into uranium-233 in a/an __________ nuclear reactor.
thermal
fast breeder
heavy water moderated
enriched uranium
✅ The correct answer is option B.
3500. Gas cooling as compared to water cooling of nuclear reactors
can not attain a high temperature.
is more efficient as gas has a higher specific heat.
can produce only saturated steam for feeding to power turbine.
none of these.
✅ The correct answer is option D.