A. Is recovered from spent fuel from thermal nuclear reactor
B. Has much lower melting point (640°C ) compared to thorium (1690°C)
C. Both A. and B.
D. Neither A. nor B.
Related Mcqs:
- Liquid metal (e.g., molten sodium) is preferred as a coolant in case of a/an ______________ reactor?
A. Homogeneous
B. Graphite moderated
C. Fast breeder
D. Enriched uranium (3% U-235) fuelled - Thorium-232 (a fertile material) on absorption of a neutron gets converted into ___________ , which is a fissile material?
A. Thorium-233
B. Uranium-235
C. Uranium-233
D. Plutonium-239 - Spent fuel from the nuclear thermal reactor contains__________________?
A. Fission products
B. Plutonium
C. Unused fuel
D. All A., B. & C. - Ordinary water is not used as a moderator because, it___________________?
A. Has a low absorption cross-section
B. Has a low scattering cross-section
C. Absorbs neutrons
D. Does not absorb neutrons - Sodium melts (at atmospheric pressure) at a temperature of ____________ °C?
A. 58
B. 98
C. 348
D. 588 - 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 - Extraction of uranium from its ore is done using ______________ methods?
A. Electrometallurgical
B. Pyrometallurgical
C. Chemical
D. Physical beneficiation - The 92U238 emits an a-particle. The product is____________________?
A. 90U234
B. 90U238
C. 90U236
D. 92U236 - The half life period of a radioactive element depends on its _______________________?
A. Temperature
B. Pressure
C. Amount
D. None of these - 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
