Search
.Management Sciences
Category: Nuclear Power Engineering
A fast breeder reactor employs___________________?
A. Graphite as moderator
B. Water as coolant
C. Molten sodium as coolant as well as moderator
D. U-235 as fuel
A boiling water reactor is the one, in which the_______________________?
A. Coolant water is allowed to boil in the core of the reactor
B. Coolant water, after being heated in the reactor core, generates steam in a boiler
C. Pressurised water is pumped into the core
D. Fuel and the coolant are thoroughly mixed to form a homogeneous solution
The mass number of an element is equal to the number of _____________ in the nucleus?
A. Electrons
B. Neutrons
C. Protons
D. Neutrons plus protons (i.e., nucleons)
Which one is the radioactive isotope of hydrogen ?
A. Deuterium
B. Ortho-hydrogen
C. Tritium
D. None of these
Which of the following is not used as a nuclear fuel cladding material ?
A. Zircaloy
B. Cadmium
C. Ceramics
D. Stainless steel
Which of the following is a moderating material used in nuclear reactor ?
A. Graphite
B. Cadmium
C. Zircaloy (an alloy of zirconium and aluminium)
D. Stainless steel
Energy produced in the nuclear fission is of the order of _____________ MeV?
A. 20
B. 200
C. 1000
D. 2000
Absorption/scattering cross-section of an element is expressed in “barn”, which is equivalent to___________________?
A. 10-24 cm2
B. 10-12 cm
C. 1 Angstrom
D. 10-24 cm
An ideal coolant for a nuclear reactor should ________________?
A. Be a good absorber of neutrons
B. Be capable of attaining high temperature, only when it is pressurised
C. Have high density, but low heat transfer co-efficient
D. Be free from radiation damage and non-corrosive
Recent Comments