A. Fuel & coolant
B. Fuel & moderator
C. Coolant & moderator
D. None of these
Related Mcqs:
- A thermal nuclear reactor compared to a fast breeder reactor ?
A. Uses slower neutrons for fission
B. Uses faster neutrons for fission
C. Gives higher power density
D. Requires less fuel to run at the same power level - Candu reactor is a ______________ nuclear reactor?
A. Natural uranium fuelled heavy water cooled & moderated
B. Highly enriched uranium (85% U-235) fuelled
C. Homogeneous
D. Fast breeder - A homogeneous reactor is the one, in which the___________________?
A. Fissile atoms are evenly distributed throughout the mass of nuclear reactor
B. Same substance (e.g. heavy water) is used as moderator & coolant
C. The fuel and the moderator is mixed to form a homogeneous material
D. All A., B. and C. - Net efficiency of ordinary light water cooled nuclear reactor is about _____________ percent?
A. 32
B. 52
C. 72
D. 88 - Which of the following is a fuel for a fusion reactor (thermonuclear reactor) ?
A. Deuterium and tritium
B. U-233
C. Thorium
D. Heavy water - 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 - Graphite is used in nuclear reactor as_____________________?
A. Insulation lining of the reactor
B. Fuel
C. Lubricant
D. Retarder of neutron velocity - The most commonly used nuclear fuel in boiling water reactor is___________________?
A. Enriched uranium
B. Natural uranium
C. Plutonium
D. Monazite sand - Heavy water (D2O) in a nuclear reactor serves as a_______________?
A. Coolant
B. Moderator
C. Both A. & B.
D. Neutron absorber - Biological shield is provided in a nuclear power reactor to protect the ______________ from radiation damage?
A. Fuel elements
B. Operating personnels
C. Walls of the reactorD. None of these
