Namrup
Nangal
Rourkela
Korba
✅ The correct answer is option B.
Engineering
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3632. A fertiliser plant is classified as a gas based fertiliser plant, when it uses __________ gas as a source of hydrogen for the manufacture of ammonia.
Coke oven
Producer
Natural
Coal
✅ The correct answer is option C.
3633. Which of the following does not come under the category of ‘micro-nutrient’ for plant growth?
Chlorine
Iron
Boron
Carbon
✅ The correct answer is option D.
3634. Heavy water used in the nuclear reactors to slow down the speed of neutrons is
highly purified water.
a compound of oxygen and deuterium.
water having dissolved salts of heavy metals.
none of these.
✅ The correct answer is option B.
3635. Uranium is recovered from its ore (pitchblende) by
froth floatation technique.
leaching with sulphuric acid.
smelting in a furnace.
dissolving in water.
✅ The correct answer is option B.
3636. Which of the following accounts for the maximum energy release in the nuclear fission process ?
Kinetic energy of fission products
Radioactive decay of fission products
Instantaneous release of γ-rays
Kinetic energy of neutrons
✅ The correct answer is option A.
3637. Which of the following is not a naturally occurring nuclear fuel ?
Uranium-238
Thorium-233
Plutonium-239
None of these
✅ The correct answer is option C.
3638. Which of the following factors is the most important in the site selection for a nuclear power plant ?
Absence of earthquake prone zone in nearby areas.
Abundant availability of water.
Remotely located from residential areas.
Proximity to fuel source.
✅ The correct answer is option A.
3639. The phenomenon of radioactivity was discovered by
Madam Curie
Bacquerrel
Roentgen
J.J. Thomson
✅ The correct answer is option B.
3640. The sum of masses of two nuclei produced in nuclear fission compared to the mass of original nucleus is
less
more
same
much more
✅ The correct answer is option A.