A. protons and neutrons in an atom
B. protons and electrons in an atom
C. neutrons and electrons in an atom
D. protons and neutrons in a nucleus
E. protons and electrons in a nucleus
Related Mcqs:
- Atomic number of an element in the periodic table represents the numbers of_________________?
A. protons in the nucleus
B. electrons in me nucleus
C. neutrons in the nucleus
D. electrons in the atom
E. neutrons in the atom - The total energy released in fission of U is__________________?
A. 5 MeV
B. 10 MeV
C. 199 MeV
D. 168 MeV
E. 11 MeV - Breeder reactor has a conversion ratio of_____________________?
A. unity
B. more than unity
C. less than unity
D. zero
E. infinity - The nuclear energy is measured as__________________?
A. MeV
B. curie
C. farads
D. MW
E. kWhr - In nuclear fission each neutron that causes fission releases_______________?
A. no new neutron
B. at least one new neutron
C. one new neutron
D. more than one new neutrons
E. many-fold neutrons - U235 will undergo fission by__________________?
A. high energy (fast) neutrons alone
B. low energy (slow) neutrons alone
C. either fast or slow neutrons
D. medium energy neutrons
E. none of the above - Natural uranium is made up of__________________?
A. 99.282% U238, 0.712% U235, 0.006% U234
B. 99.282% U235, 0.712% U238, 0.06%’ U234
C. 99.282% U234, 0.712% U238, 0.006% U235
D. 99.282% U235, 0.712% U234, 0.006% U238
E. none of the above - Breeder reactors employ liquid metal coolant because it_______________?
A. acts as good moderator
B. produces maximum steam
C. transfers heat from core at a fast rate
D. breeds neutrons
E. increases rate of reaction in core - The presence of reflector in nuclear power plants results in___________________?
A. increased production of neutrons
B. complete absorption of neutrons
C. controlled production of neutrons
D. decreased leakage of neutrons
E. decrease of speed of neutrons - Which of the following type of pump is used in liquid metal cooled reactor for circulation of liquid metal_________________?
A. centrifugal
B. axial
C. reciprocation
D. electromagnetic
E. diaphragm
