Which one is the radioactive isotope of hydrogen ?
A. Deuterium
B. Ortho-hydrogen
C. Tritium
D. None of these
Nuclear Power Engineering
Candu reactor is a ______________ nuclear reactor?
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
Heavy water is used as a moderator in a _____________________?
Heavy water is used as a moderator in a _____________________?
A. Pressurised water reactor (PWR)
B. Boiling water reactor (BWR)
C. Candu reactor
D. Molten sodium cooled reactor
Which is a fertile nuclear fuel ?
Which is a fertile nuclear fuel ?
A. U-233
B. U-235
C. Pu-239
D. Th-232
Enriched uranium means that, it contains___________________?
Enriched uranium means that, it contains___________________?
A. More than 0.71% of U-235
B. Only fertile material
C. Only fissile material
D. No impurities
The decay product of tritium (a beta emitter) is_________________?
The decay product of tritium (a beta emitter) is_________________?
A. Lithium
B. Helium
C. Deuterium
D. Hydrogen
A radioactive isotope undergoes decay with respect to time following _____________ law?
A radioactive isotope undergoes decay with respect to time following _____________ law?
A. Logarithmic
B. Exponential
C. Linear
D. Inverse square
‘Light water’ used as a coolant in nuclear reactor is nothing but______________________?
‘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
How many atoms are present in one gm-atom of an element ?
How many atoms are present in one gm-atom of an element ?
A. 2 × 1023
B. 6 × 1023
C. 6 × 1032
D. 5 × 105
Which of the following is a fuel for a fusion reactor (thermonuclear reactor) ?
Which of the following is a fuel for a fusion reactor (thermonuclear reactor) ?
A. Deuterium and tritium
B. U-233
C. Thorium
D. Heavy water