200 meters
Infinitely long
More than 105.7 metres
Equal to the height of the hot gas column producing draught
✅ The correct answer is option D.
Engineering
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3482. Weathering of coal during storage causes
Reduction in coal size
Increase in its friability
Decrease in its caking capacity
All of the above
✅ The correct answer is option D.
3483. During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the
Incomplete combustion
Complete combustion
High oxygen in flue gas
None of these
✅ The correct answer is option B.
3484. The calorific value of producer gas is around __________ kcal/Nm³
1300
500
4500
9000
✅ The correct answer is option A.
3485. __________ moderator is used in a fast breeder reactor.
Graphite
Heavy water
Beryllium
No
✅ The correct answer is option D.
3486. Which of the following is a non-fissile material ?
Plutonium-239
Uranium-235
Uranium-233
Thorium-232
✅ The correct answer is option D.
3487. Out of the followingplaces, a nuclear power plant is not located at
Talcher (Orissa)
Kaiga (Karnataka)
Rawatbhata (Rajsthan)
Kalpakkam (Tamilnadu)
✅ The correct answer is option A.
3488. Final product of uranium extraction plant at Jadugoda (Bihar) is
uranium
uranium oxide
uranium carbide
magnesium diuranate
✅ The correct answer is option D.
3489. An element having large number of __________ is most easily subjected to nuclear fission.
protons
electrons
neutrons
nucleons
✅ The correct answer is option D.
3490. The emission of an a-particle causes the resultant nucleus to have
more atomic weight and less atomic number.
less atomic weight and less atomic number.
less atomic weight and more atomic number.
none of these.
✅ The correct answer is option A.