A. Chain reaction and hence the power output by regulating the number of secondary neutrons
causing fission
B. Emission of hazardous radiation
C. Conversion of fissile material into fertile material
D. Velocity of the secondary neutrons
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 - Primary purpose of a ____________ nuclear reactor is to supply a high neutron flux of the order of 1013 to 1014neutrons/cm2 second?
A. Research
B. Power
C. Breeder
D. Homogeneous - 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. - In a pressurised water reactor (PWR), the___________________?
A. Fuel is natural uranium and heavy water acts both as moderator & coolant
B. Coolant water boils in the core of the reactor
C. Coolant water is pressurised to prevent bulk boiling of water in the core
D. Use of moderator is not required - 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 - Net efficiency of ordinary light water cooled nuclear reactor is about _____________ percent?
A. 32
B. 52
C. 72
D. 88 - Spent fuel from the nuclear thermal reactor contains__________________?
A. Fission products
B. Plutonium
C. Unused fuel
D. All A., B. & C. - In a homogeneous nuclear reactor, the _____________ are mixed together?
A. Fuel & coolant
B. Fuel & moderator
C. Coolant & moderator
D. None of these - Thorium-232 is converted into uranium-233 in a/an ______________ nuclear reactor?
A. Thermal
B. Fast breeder
C. Heavy water moderated
D. Enriched uranium
