Biological shield in a nuclear reactor is generally provided to protect against the (A) α-rays (B) β-rays (C) Gamma rays & neutrons (D) Electrons

Biological shield in a nuclear reactor is generally provided to protect
against the
(A) α-rays
(B) β-rays
(C) Gamma rays & neutrons
(D) Electrons
by

1 Answer

Answer :

Option C
by

Related questions

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Biological shield is provided in a nuclear power reactor to protect the __________ from radiation damage. (A) Fuel elements (B) Operating personnels (C) Walls of the reactor (D) None of these

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Which of the following accounts for the maximum energy release in the nuclear fission process? (A) Kinetic energy of fission products (B) Radioactive decay of fission products (C) Instantaneous release of γ-rays (D) Kinetic energy of neutrons

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In a nuclear reactor the moderator is usually made of graphite placed between the fuel rods used to slow down neutrons all of the above none of the above?

Description : In a nuclear reactor the moderator is usually made of graphite placed between the fuel rods used to slow down neutrons all of the above none of the above?

Last Answer : Feel Free to Answer

Graphite is used in nuclear reactors for- (1) reducing the speed of fast neutrons (2) cooling the reactor (3) absorbing neutrons (4) None of the above

Description : Graphite is used in nuclear reactors for- (1) reducing the speed of fast neutrons (2) cooling the reactor (3) absorbing neutrons (4) None of the above

Last Answer : (1) reducing the speed of fast neutrons Explanation: A graphite reactor is a nuclear reactor that uses carbon as a neutron moderator, which allows unenriched uranium to be used as nuclear fuel.

Neutrons are slowed down in a nuclear reactor by – (1) Fissionable Material (2) Moderator (3) Control rods (4) Cooling system

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Last Answer : (2) Moderator Explanation: In thermal nuclear reactors, the coolant acts as a moderator that must slow down the neutrons before they can be efficiently absorbed by the fuel. It allows neutrons to slow down to energies where they can easily cause a nucleus to fission.

In a nuclear reactor the material use for absorbing neutrons is – (1) zinc (2) radium (3) lead (4) cadmium

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The speed of neutrons in a nuclear reactor is reduced with the help of

Description : The speed of neutrons in a nuclear reactor is reduced with the help of

Last Answer : graphite / heavy water.

The part of the nuclear reactor that controls the speed of neutrons released during nuclear fission is

Description : The part of the nuclear reactor that controls the speed of neutrons released during nuclear fission is

Last Answer : moderator.

Most of the new atoms formed when atoms in a nuclear reactor capture neutrons without fissioning are: w) fission products x) activation products y) actinides z) lead isotopes

Description : Most of the new atoms formed when atoms in a nuclear reactor capture neutrons without fissioning are: w) fission products x) activation products y) actinides z) lead isotopes

Last Answer : ANSWER: Y -- ACTINIDES

Reactors in commercial nuclear power plants in the U.S. are often referred to as thermal reactors. A thermal reactor uses: w) fissionable plutonium-239 as fuel. x) a relatively low heat output. y) neutrons moderated to relatively low energies. z) liquid sodium as a coolant.

Description : Reactors in commercial nuclear power plants in the U.S. are often referred to as thermal reactors. A thermal reactor uses: w) fissionable plutonium-239 as fuel. x) a relatively low heat output. y) neutrons moderated to relatively low energies. z) liquid sodium as a coolant.

Last Answer : ANSWER: Y -- NEUTRONS MODERATED TO RELATIVELY LOW ENERGIES.

Neutrons are slowed down in a nuclear reactor by (1) Fissionable material (2) Moderator (3) Control rods (4) Cooling system

Description : Neutrons are slowed down in a nuclear reactor by (1) Fissionable material (2) Moderator (3) Control rods (4) Cooling system

Last Answer : Moderator

In a nuclear reactor the material use for absorbing neutrons is (1) zinc (2) radium (3) lead (4) cadmium

Description : In a nuclear reactor the material use for absorbing neutrons is (1) zinc (2) radium (3) lead (4) cadmium

Last Answer : cadmium