A. Molten sodium cooled
B. CO2 gas cooled
C. Pressurised water
D. Boiling water
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 - Which of the following types of nuclear reactors is most prone to radioactive hazards ?
A. Pressurised water reactor
B. Gas cooled reactor
C. Molten sodium cooled reactor
D. Boiling water reactor - Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of ____________ percent of U-235 (i.e. fissile material)?
A. 15
B. 45
C. 65
D. 85 - Safety rods provided in nuclear reactors to guard against accidents, in case of earthquake are made of___________________?
A. High carbon steel
B. Molybdenum
C. Zircaloy
D. Boron or cadmium - Heavy water used in the nuclear reactors to slow down the speed of neutrons is __________________?
A. Highly purified water
B. A compound of oxygen and deuterium
C. Water having dissolved salts of heavy metals
D. None of these - Thermal nuclear reactors using enriched uranium as fuel contains a maximum of ____________ percent fissile material i.e. U-235?
A. 1
B. 2
C. 3
D. 7 - Nuclear reactors are provided with shield to guard against the emission of mainly _____________ rays?
A. X
B. α and β
C. Neutrons & gamma
D. Infrared - Thermal shield is used in high powered nuclear reactors to__________________?
A. Protect the walls of the reactor from radiation damage
B. Absorb the fast neutrons
C. Slow down the secondary neutrons
D. Protect the fuel element from coming in contact with the coolant - Which is the most commonly used molten metal for cooling of nuclear reactors ?
A. Calcium
B. Sodium
C. Mercury
D. Zinc
