hydrogen
helium
deuterium
none of these
✅ The correct answer is option A.
Engineering
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3512. __________ nuclear reactor does not require a heat exchanger to supply steam to power turbine.
Molten sodium cooled
Helium cooled
Boiling water
Pressurised water
✅ The correct answer is option C.
3513. Function of control rod in a nuclear reactor is to control
temperature
pressure
fuel consumption
absorption of neutrons
✅ The correct answer is option D.
3514. Indian monazite sand contains __________ percent thorium.
10
25
60
90
✅ The correct answer is option A.
3515. A moderator __________ the neutrons.
slows down
absorbs
accelerates
reflects
✅ The correct answer is option A.
3516. The number of neutrons accompanying the formation of 54Xe139 and 38Sr94 from the absorption of a slow neutron by 92U235 , followed by nuclear fission is
1
2
3
4
✅ The correct answer is option C.
3517. Which of the following is not, a fertile material ?
Th-232
U-238
U-233
none of these
✅ The correct answer is option C.
3518. Which is not a fissile nuclear material ?
U-233
U-235
U-238
Pu-239
✅ The correct answer is option C.
3519. The decay product of tritium (a beta emitter) is
lithium
helium
deuterium
hydrogen
✅ The correct answer is option B.
3520. Which of the following is not used as a moderator in nuclear reactor ?
Molten sodium
Light water
Beryllium
Boron hydride
✅ The correct answer is option A.