The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then

Nuclear Power Engineering
The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then

3/4th of it will disintegrate in two months

It will completely disintegrate in four months

L/8th of it will remain intact at the end of four months

It will completely disintegrate in two months

3/4th of it will disintegrate in two months

It will completely disintegrate in four months

L/8th of it will remain intact at the end of four months

It will completely disintegrate in two months

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Nuclear Power Engineering
Water is a better coolant than a gas (like CO₂, He, N₂ etc.), because it

Requires comparatively smaller pumps and heat exchanger for a given heat transfer rate

Has a better heat transfer characteristics, and it can be pressurised to attain a high temperature

All of these

Is a better neutron moderator as well

Requires comparatively smaller pumps and heat exchanger for a given heat transfer rate

Has a better heat transfer characteristics, and it can be pressurised to attain a high temperature

All of these

Is a better neutron moderator as well

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Nuclear Power Engineering
Which of the following is artificially produced as it does not occur in nature?

Uranium⁻²35

Uranium⁻²33

Plutonium⁻²39

Both B and C

Uranium⁻²35

Uranium⁻²33

Plutonium⁻²39

Both B and C

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Nuclear Power Engineering
Critical mass is the minimum mass of nuclear fissile material required for the

Sustainment of chain reaction

Economic power generation

Power generation on commercial scale

None of these

Sustainment of chain reaction

Economic power generation

Power generation on commercial scale

None of these

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Nuclear Power Engineering
Out of the following, nucleus of __________ atom contains the largest number of neutrons.

U-238

Pu-239

U-235

U-239

U-238

Pu-239

U-235

U-239

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Nuclear Power Engineering
The mass number of an element is equal to the number of __________ in the nucleus.

Electrons

Protons

Neutrons

Neutrons plus protons (i.e., nucleons)

Electrons

Protons

Neutrons

Neutrons plus protons (i.e., nucleons)

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Nuclear Power Engineering

Nuclear Power Engineering The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then

Nuclear Power Engineering Water is a better coolant than a gas (like CO₂, He, N₂ etc.), because it

Nuclear Power Engineering Which of the following is artificially produced as it does not occur in nature?

Nuclear Power Engineering Critical mass is the minimum mass of nuclear fissile material required for the

Nuclear Power Engineering Out of the following, nucleus of __________ atom contains the largest number of neutrons.

Nuclear Power Engineering The mass number of an element is equal to the number of __________ in the nucleus.

Nuclear Power Engineering
The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then

Nuclear Power Engineering
Water is a better coolant than a gas (like CO₂, He, N₂ etc.), because it

Nuclear Power Engineering
Which of the following is artificially produced as it does not occur in nature?

Nuclear Power Engineering
Critical mass is the minimum mass of nuclear fissile material required for the

Nuclear Power Engineering
Out of the following, nucleus of __________ atom contains the largest number of neutrons.

Nuclear Power Engineering
The mass number of an element is equal to the number of __________ in the nucleus.