Fuel for a nuclear reactor (thermal) is September 7, 2025 by Admin uranium plutonium radium none of these ✅ The correct answer is option A.
A nuclear reactor can’t be used for September 7, 2025 by Admin the production of radioisotopes. supplying intense fields or beams of neutron for scientific experiments. marine ship propulsion. none of these. ✅ The correct answer is option D.
Tarapur atomic power station September 7, 2025 by Admin has two boiling water reactors of American design. has an installed capacity of 400 MW. is the first power reactor in India, which became critical in 1969. all (a), (b) and (c). ✅ The correct answer is option D.
H2 is a better coolant than CO2, due to its relatively September 7, 2025 by Admin lower density. higher specific heat. non-reactivity to uranium. lower neutron capture cross-section. ✅ The correct answer is option B.
The electric power generation cost in nuclear power plant is less than that in a coal based thermal power plant, mainly because the September 7, 2025 by Admin fuel cost per unit power generated is less. thermal efficiency of the former is higher. maintenance cost of the former is less. none of these. ✅ The correct answer is option A.
Nuclear power reactor located at Tarapur is of __________ type. September 7, 2025 by Admin fast breeder pressurised water boiling water gas cooled ✅ The correct answer is option C.
A control rod September 7, 2025 by Admin should have small absorption cross-section. is generally made of boron, hafnium or cadmium. should have large absorption cross-section. both (b) and (c). ✅ The correct answer is option D.
Ordinary water is not used as a moderator because, it September 7, 2025 by Admin has a low absorption cross-section. has a low scattering cross-section. absorbs neutrons. does not absorb neutrons. ✅ The correct answer is option C.
The time taken for a radioactive element to reduce to 50% of its original weight is __________ years, if its half life period is 12 years. September 7, 2025 by Admin 24 18 6 36 ✅ The correct answer is option B.
Catalyst used in Fischer-Tropsch process is September 7, 2025 by Admin Nickel Zinc oxide Alumina Thorium oxide ✅ The correct answer is option A.