A. Cannot attain a high temperature
B. Is more efficient as gas has a higher specific heat
C. Can produce only saturated steam for feeding to power turbine
D. None of these
Related Mcqs:
- Which is the most commonly used molten metal for cooling of nuclear reactors ?
A. Calcium
B. Sodium
C. Mercury
D. Zinc - 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 - The sum of masses of two nuclei produced in nuclear fission compared to the mass of original nucleus is_____________________?
A. Less
B. More
C. Same
D. Much more - Pressure of CO2 gas (which is a coolant) in the Calder-Hall nuclear reactor is ______________ kgf/cm2?
A. 0.2
B. 7
C. 35
D. 50 - Net efficiency of ordinary light water cooled nuclear reactor is about _____________ percent?
A. 32
B. 52
C. 72
D. 88 - 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 - The most commonly used nuclear fuel in boiling water reactor is___________________?
A. Enriched uranium
B. Natural uranium
C. Plutonium
D. Monazite sand - Nuclear fuel usually used in a Boiling Water Reactor (BWR) is__________________?
A. Plutonium
B. Enriched uranium
C. Natural uranium
D. Thorium - Heavy water (D2O) in a nuclear reactor serves as a_______________?
A. Coolant
B. Moderator
C. Both A. & B.
D. Neutron absorber - ‘Light water’ used as a coolant in nuclear reactor is nothing but______________________?
A. Ordinary water
B. Mildly acidic (pH = 6) water
C. Mildly alkaline (pH = 8) water
D. None of these