92
235
143
325
✅ The correct answer is option A.
Chemical Engineering MCQs
Pressure of CO2 gas (which is a coolant) in the Calder-Hall nuclear reactor is __________ kgf/cm2 .
0.2
7
35
50
✅ The correct answer is option B.
Which of the following types of nuclear reactors is most prone to radioactive hazards ?
Pressurised water reactor
Gas cooled reactor
Molten sodium cooled reactor
Boiling water reactor
✅ The correct answer is option D.
Emission of β-particles during radioactive decay of a substance is from
innermost shell
nucleus
outermost shell
none of these
✅ The correct answer is option B.
The atomic weight and atomic number of an element are A and Z respectively. What is the number of neutrons in the atom of that element ?
A+Z
A- Z
A
Z
✅ The correct answer is option B.
The half life period of a radioactive element depends upon the
temperature
pressure
amount of element present
none of these
✅ The correct answer is option D.
Percentage of heavy water in ordinary water is around
0.015
7.54
0.71
32.97
✅ The correct answer is option A.
Unit of radioactivity is
barn
Fermi
Angstrom
Curie
✅ The correct answer is option D.
Nuclear power plant is not located at
Talcher (Orissa)
Rawatbhata (Rajasthan)
Kalpakkam (Tamilnadu)
Kaiga (Karnataka)
✅ The correct answer is option A.
Velocity of the thermal neutron (< 0.025 eV) used for fission of U-235 is around __________ m/sec.
1
2200
3 x 1011
9 x 1021
✅ The correct answer is option B.