Q. Commercial power generation from fusion reactor is not yet possible, because

View solution

Q. Candu reactor is a __________ nuclcear reactor.

View solution

Q. Which of the following is a non-fissile material ?

View solution

Q. Use of molten metal as a coolant in fast breeder reactor helps in

View solution

Q. What is the average life of a radioactive atom having a 'half life period' of T ?

View solution

Q. Coolant present in the primary circuit of a pressurised water reactor is high pressure

View solution

Q. First experimental observation of nuclear fission was done by

View solution

Q. U-235 content in enriched uranium, that is normally used in power reactors (e.g., at Tarapur atomic power plant), is about __________ percent.

View solution

Q. Bhabha Atomic Research Centre (BARC) located at Trombay (near Bombay) has

View solution

Q. Which of the following gases has very high neutron capture cross-section, making it unsuitable as a coolant in nuclear reactor?

View solution

Q. The number of neutrons in the nucleus of Uranium-233 (₉₂U²³³) is

View solution

Q. Pick out the wrong statement.

View solution

Q. The disintegration rate of a radioactive element

View solution

Q. Molten sodium is used as a coolant in a fast breeder reactor, because of its

View solution

Q. Neutrons have mass approximately equal to that of __________ atoms.

View solution

Q. Pressure of CO₂ gas (which is a coolant) in the Calder-Hall nuclear reactor is __________ kgf/cm² .

View solution

Q. The electric power generation cost in nuclear power plant is less than that in a coal based thermal power plant, mainly because the

View solution

Q. Heavy water used in the nuclear reactors to slow down the speed of neutrons is

View solution

Q. H₂ is a better coolant than CO₂, due to its relatively

View solution

Q. The half life period of a radiactive element is 100 days. After 400 days, one gm of the element will be reduced to __________ gm.

View solution