512. Gas cooled reactor uses following materials as moderator, and coolant
A.Graphite, CO2
B.Graphite, air
C.Heavy water, CO2
D.Lead, H2
513. A nuclear fission produces energy of following order in MeV
A.20
B.200
C.2000
D.20000
514. The process by which a heavy nucleus is splitted into two light nuclei is known as
A.Splitting
B.Fission
C.Fusion
D.Disintegration
515. A nuclear fission is initiated when the critical energy as compared to neutron binding energy of the atoms is
A.Same
B.More
C.Less
D.There is no such criterion
516. The fast breeder reactor uses the following moderator
A.Demineralised water
B.No moderator is used.
C.Heavy water
D.Graphite
517. The first unclear power plant in India is located at
A.Kota
B.Kalapakkam
C.Tarapur
D.Baraeilly
518. The nuclear power plant at Tarapur has the following reactor
A.Fast breeder
B.Pressurised water
C.Boiling water
D.Sodium graphite
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