A pressurised water reactor (PWR) uses pressurised water as a___________________?
A. Coolant
B. Working fluid in power turbine
C. Moderator
D. None of these
Nuclear Power Engineering
Critical energy should be _______________ the neutron binding energy of the atom in order to initiate a nuclear fission?
Critical energy should be _______________ the neutron binding energy of the atom in order to initiate a nuclear fission?
A. Equal to
B. Less than
C. More than
D. Either more or less
Hydrogen has ______________ isotopes?
Hydrogen has ______________ isotopes?
A. No
B. One
C. Two
D. Three
Which of the following is not used as a moderator in nuclear reactor ?
Which of the following is not used as a moderator in nuclear reactor ?
A. Molten sodium
B. Light water
C. Beryllium
D. Boron hydride
Which is not a fissile nuclear material ?
Which is not a fissile nuclear material ?
A. U-233
B. U-235
C. U-238
D. Pu-239
Fast breeder reactors are most usable in India, because of our largest _____________ deposits?
Fast breeder reactors are most usable in India, because of our largest _____________ deposits?
A. Thorium
B. Plutonium
C. Uranium
D. None of these
An electron has a mass that is approximately ____________ that of the proton?
An electron has a mass that is approximately ____________ that of the proton?
A. 1836 (approximately)
B. 1/1836 (approximately)
C. 1
D. ∞
Which of the following reactors is operated at high neutron flux and low power level ?
Which of the following reactors is operated at high neutron flux and low power level ?
A. Breeder reactor
B. Research reactor
C. Heterogeneous reactor
D. Liquid metal (e.g., molten sodium) cooled reactor
Absorption/scattering cross-section of an element is expressed in “barn”, which is equivalent to___________________?
Absorption/scattering cross-section of an element is expressed in “barn”, which is equivalent to___________________?
A. 10-24 cm2
B. 10-12 cm
C. 1 Angstrom
D. 10-24 cm
Isotopes of an element have different_________________?
Isotopes of an element have different_________________?
A. Mass number
B. Electronic configuration
C. Nuclear charge
D. Chemical properties