New Chemical Engineering MCQs – Nuclear Power Engineering MCQs Competitive
This post is comprising of latest ” Nuclear Power Engineering MCQs – Latest Competitive Chemical Engineering MCQs “. Here you’ll get latest mechanical engineering mcqs for written test, interview with answers. If you want to improve your knowledge regarding mechanical engineering then read these mcqs of Design of Steel Structures.
Latest Chemical Engineering MCQs
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Latest Nuclear Power Engineering Mcqs
The most occurred mcqs of Nuclear Power Engineering in past papers. Past papers of Nuclear Power Engineering Mcqs. Past papers of Nuclear Power Engineering Mcqs . Mcqs are the necessary part of any competitive / job related exams. The Mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Nuclear Power Engineering Mcqs. The Important series of Nuclear Power Engineering Mcqs are given below:
The size of an atom is of the order of one __________________?
A. Angstrom
B. Micron
C. Fermi
D. mm
Nuclides having the same atomic numbers are termed as___________________?
A. Isotones
B. Isomers
C. Isotopes
D. Isobars
Thorium-232 is converted into uranium-233 in a/an ______________ nuclear reactor?
A. Enriched uranium
B. Fast breeder
C. Heavy water moderated
D. Thermal
U-235 content in enriched uranium, that is normally used in power reactors (e.g., at Tarapur atomic power plant), is about _____________ percent?
A. 50
B. 85
C. 3
D. 97
Which of the following isotopes is not present in natural uranium?
A. U-234
B. U-238
C. U-235
D. U-232
Thorium metal__________________?
A. Is highly ductile
B. Is less hard (in the range of silver)
C. Resembles steel in appearance
D. All A., B. and C.
Isotopes of an element have different_________________?
A. Mass number
B. Nuclear charge
C. Electronic configuration
D. Chemical properties
Absorption/scattering cross-section of an element is expressed in “barn”, which is equivalent to___________________?
A. 10-24 cm2
B. 1 Angstrom
C. 10-12 cm
D. 10-24 cm
Which of the following reactors is operated at high neutron flux and low power level ?
A. Heterogeneous reactor
B. Research reactor
C. Breeder reactor
D. Liquid metal (e.g., molten sodium) cooled reactor
An electron has a mass that is approximately ____________ that of the proton?
A. 1
B. 1/1836 (approximately)
C. 1836 (approximately)
D. ∞
Fast breeder reactors are most usable in India, because of our largest _____________ deposits?
A. Thorium
B. Uranium
C. Plutonium
D. None of these
Fluid Mechanics Mcqs
Which is not a fissile nuclear material ?
A. U-235
B. U-233
C. U-238
D. Pu-239
Which of the following is not used as a moderator in nuclear reactor ?
A. Molten sodium
B. Beryllium
C. Light water
D. Boron hydride
Hydrogen has ______________ isotopes?
A. One
B. No
C. Two
D. Three
Critical energy should be _______________ the neutron binding energy of the atom in order to initiate a nuclear fission?
A. Less than
B. Equal to
C. More than
D. Either more or less
A pressurised water reactor (PWR) uses pressurised water as a___________________?
A. Coolant
B. Moderator
C. Working fluid in power turbine
D. None of these
Enrichment of uranium is done to increase the concentration of ______________ in the natural uranium?
A. U-233
B. U-238
C. U-235
D. Pu-239
In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous ________________?
A. Uranium carbide
B. Uranium hexafluoride
C. Uranium oxide
D. Uranium sulphate
The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?
A. 2537
B. 1837
C. 159
D. 10000
Which of the following accounts for the maximum energy release in the nuclear fission process ?
A. Kinetic energy of fission products
B. Instantaneous release of γ-rays
C. Radioactive decay of fission products
D. Kinetic energy of neutrons
H2 is a better coolant than CO2, due to it‟s relatively____________________?
A. Non-reactivity to uranium
B. Higher specific heat
C. Lower density
D. Lower neutron capture cross-section
Biological shield is provided in a nuclear power reactor to protect the ______________ from radiation damage?
A. Walls of the reactor
B. Operating personnels
C. Fuel elements
D. None of these
The half life period of a radioactive element depends on its _______________________?
A. Temperature
B. Amount
C. Pressure
D. None of these
The half life period of a radioactive element depends upon the___________________?
A. Pressure
B. Temperature
C. Amount of element present
D. None of these
The mass number of an element is not changed, when it emits _______________ radiations?
A. γ & α
B. β & γ
C. α & β
D. α, β, & γ
The half life period of a radioactive element is 100 days. After 400 days, one gm of the element will be reduced to ______________ gm?
A. 1/8
B. 1/4
C. 1/2
D. 1/16
Radioactivity of an isotope is expressed in______________________?
A. MeV
B. Barn
C. Curie
D. Ergs
Nuclear fuel generally used in reactors is uranium oxide instead of uranium, because the former has higher _____________________?
A. Resistance to effects of irradiation
B. Density; hence core volume for a given power output would be smaller
C. Melting point, hence can be subjected to higher temperature
D. All A., B. and C.
Nuclear Power Engineering Mcqs
When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as____________________?
A. Isotopes
B. Isomers
C. Isobars
D. Isotones
“Critical mass” is the minimum mass of nuclear fissile material required for the_______________________?
A. Sustainment of chain reaction
B. Economic power generation
C. Power generation on commercial scale
D. None of these
Which of the following is not an ore of uranium ?
A. Carnotite
B. Kyanite
C. Pitchblende
D. Rescolite
Uranium is recovered from its ore (pitchblende) by________________?
A. Smelting in a furnace
B. Leaching with sulphuric acid
C. Froth floatation technique
D. Dissolving in water
Which one is different for the neutral atoms of the isotopes of an element ?
A. Atomic weights
B. Number of protons
C. Atomic numbers
D. Number of electrons
Artificially produced radioactive isotopes are used for____________________?
A. Initiating nuclear fission and fusion
B. Treatment of certain diseases
C. Power generation
D. All A., B. and C.
Research reactors are normally meant for_____________________?
A. Producing high neutron flux 1012-1013 neutrons/cm2, sec and studying the effect of neutron bombardment on different materials
B. Power generation
C. Accelerating the neutrons
D. None of these
Main source of ______________ is monazite sand?
A. Polonium
B. Uranium
C. Hafnium
D. Thorium
Both tritium and deuterium have the same number of_______________?
A. Neutrons
B. Protons
C. Electrons
D. Nucleons
A fast breeder reactor employs___________________?
A. Water as coolant
B. Graphite as moderator
C. Molten sodium as coolant as well as moderator
D. U-235 as fuel
Which of the following is the most harmful for the human being ?
A. X-rays
B. β-rays
C. γ-rays
D. Ultra violet rays
Energy equivalent to one atomic mass unit (amu) is ______________ MeV?
A. 93.1
B. 9.31
C. 931
D. 9310
Materials And Construction Mcqs
The critical mass of a fissionable material can be reduced by__________________?
A. Cooling it
B. Heating it
C. Surrounding it by neutron reflecting material
D. Surrounding it by neutron absorbing material
If 4 gm of a radioisotope has a half life period of 10 days, the half life of 2 gm of the same isotope will be ____________ days?
A. 20
B. 10
C. 5
D. 30
The new nucleus formed after β-decay of a radioactive element has___________________?
A. Less atomic number
B. More atomic number
C. Less atomic weight
D. More atomic weight
Which of the following is a non-fissile material ?
A. Uranium-235
B. Plutonium-239
C. Uranium-233
D. Thorium-232
Which of the following is not, a fertile material ?
A. U-238
B. Th-232
C. U-233
D. None of these
Nuclear fuel complex, Hyderabad is engaged in the job of ___________________?
A. Manufacture of nuclear fuel elements/assemblies
B. Treatment of spent fuel
C. Processing of uranium ore
D. None of these
Which of the following is a fuel for a fusion reactor (thermonuclear reactor) ?
A. Deuterium and tritium
B. U-233
C. Heavy water
D. Thorium
How many atoms are present in one gm-atom of an element ?
A. 6 × 1032
B. 6 × 1023
C. 2 × 1023
D. 5 × 105
‘Light water’ used as a coolant in nuclear reactor is nothing but______________________?
A. Ordinary water
B. Mildly alkaline (pH = 8) water
C. Mildly acidic (pH = 6) water
D. None of these
A radioactive isotope undergoes decay with respect to time following _____________ law?
A. Linear
B. Exponential
C. Logarithmic
D. Inverse square
The decay product of tritium (a beta emitter) is_________________?
A. Deuterium
B. Helium
C. Lithium
D. Hydrogen
Enriched uranium means that, it contains___________________?
A. More than 0.71% of U-235
B. Only fissile material
C. Only fertile material
D. No impurities
Which is a fertile nuclear fuel ?
A. U-235
B. U-233
C. Pu-239
D. Th-232
Heavy water is used as a moderator in a _____________________?
A. Boiling water reactor (BWR)
B. Pressurised water reactor (PWR)
C. Candu reactor
D. Molten sodium cooled reactor
Candu reactor is a ______________ nuclear reactor?
A. Natural uranium fuelled heavy water cooled & moderated
B. Homogeneous
C. Highly enriched uranium (85% U-235) fuelled
D. Fast breeder
Which one is the radioactive isotope of hydrogen ?
A. Ortho-hydrogen
B. Deuterium
C. Tritium
D. None of these
Pick out the wrong statement?
A. The disintegration rate of a radioactive substance cannot be increased by heating it
B. Cadmium is capable of absorbing neutrons
C. Deuterium atom has one proton and two neutrons in its nucleus
D. Electrons have negligible mass and unit negative change
Pick out the correct statement?
A. Loss of electrons from neutral atoms produces negative ions
B. The radius of nucleus & atomic size are of the order of 10-12 cm & 10-8 cm respectively
C. Proton to neutron ratio in a stable nucleus is 2 : 1
D. Gain of electrons by neutral atoms form cations
Pick out the correct statement?
A. Positron is the antiparticle of electron
B. Speed of α-rays is more than that of γ-rays
C. Ionising power of β-rays is higher than that of α-rays
D. In α-decay, the ratio of neutron to proton decreases
Pick out the wrong statement?
A. The ratio of the density of the ‘nucleus’ to that of the ‘atom’ is 1012
B. The mass of deuterium atom is half that of helium atom
C. α-particle is identical with a doubly charged helium ion
D. Gamma rays are high energy electrons
Pick out the wrong statement?
A. The nucleus of a hydrogen atom is identical with a proton
B. Mass of an electron is about 1/1800th of the lightest nucleus
C. A, β-ray particle is identical with an electron
D. Positron is heavier than a proton
Pick out the wrong statement?
A. Out of α, β, and γ-rays, the one having maximum penetration power are γ-rays
B. Atoms with same number of protons but different number of nucleons are called isoters
C. Atoms with same number of nucleons but different number of protons are called isobars
D. The product formed by emission of α-particle has mass number less by 4 units than the parent nuclide
Pick out the wrong statement?
A. β-particle emission from a radioactive element makes it electrically positive
B. α-particle emission from a radioactive element makes it electrically negative
C. A radioactive element having a half life period of 20 years will completely disintegrated in 40 years
D. The disintegration constant of a radioactive isotope is independent of pressure, temperature or concentration