Question 21 : In which of the Following reactor is heavy hydrogen isotope H-2 is used as moderator?
1. Boiling water reactor
2. Pressurized water reactor
3. Candu reactor
4. Thermal reactor
View Answer   Discuss with Members

Question 22 : Select the incorrect statement which supports PWR.
1. Water is used as coolant
2. PWR is stable in operation
3. Uses natural fuel
4. PWR has positive power demand coefficient
View Answer   Discuss with Members

Question 23 : Atoms of different chemical elements that have the same number of nucleons are called as?
1. Isobars
2. Isotones
3. Isomers
4. Isotopes
View Answer   Discuss with Members

Question 24 : Heavy nuclei must be such that they can be fissioned by neutrons of an energy such substance are called?
1. Fission fragments
2. Fission Neutrons
3. Fission species
4. Fission elements
View Answer   Discuss with Members

Question 25 : How many number of nuclei of hydrogen fuse in a series of reaction involving other particles that continually appear and disappear?
1. 1
2. 2
3. 3
4. 4
View Answer   Discuss with Members

Question 26 : What types of rays are trapped by shielding?
1. Gamma rays
2. Beta rays
3. X-rays
4. IR rays
View Answer   Discuss with Members

Question 27 : What is used in nuclear reactor as a cooling method/device?
1. Coolant
2. Water jackets
3. Air cooler
4. Air vents
View Answer   Discuss with Members

Question 28 : Which parts function is to reduce the energy of fast neutrons to thermal neutrons in nuclear power plant?
1. Moderator
2. Coolant circulator
3. Control rods
4. Shielding
View Answer   Discuss with Members

Question 29 : The atom as a whole is electrically charged.
1. True
2. False
3.
4.
View Answer   Discuss with Members

Question 30 : Moderate liquid nuclear wastes are disposed into ___________
1. Deep pits
2. Buried underground
3. Left into rivers
4. Left into deep oceans
View Answer   Discuss with Members