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Enthalpy

Q80. With ref...

Question

Q80. With reference to fast breeder reactors, consider the following statements:

1. They use fast neutrons for sustaining the chain reaction.

2. Heavy water is used as moderator in these reactors.

3. They breed more fissile material than they consume.

Which of the above statement(s) is/are correct?

A

(a) Only 1 and 2

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B

(b) Only 1 and 3

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C

(c) Only 2 and 3

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D

(d) All of the above

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Solution

The correct option is B
(b) Only 1 and 3

The fast breeder reactors: They are so called because they use fast neutrons for sustaining the chain reaction, hence no moderator is needed and, besides generating power, they also breed more fissile species (plutonium) than they consume. India becomes the sixth nation having the technology to build and operate a FBTR besides USA, UK, France, Japan and the then USSR

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Similar questions

Q. Which of the following statement(s) is/are correct?
1. Fast Breeder Reactors (FBR) and Thermal Breeder Reactors produce more fissile material than they consume
2. Thermal Breeder Reactors make use of unmoderated neutrons while FBRs make use of moderated neutrons

निम्नलिखित में से कौन सा/से कथन सही है / हैं?
1. फास्ट ब्रीडर रिएक्टर (एफबीआर) और थर्मल ब्रीडर रिएक्टर उपभोग की तुलना में अधिक विखंडनीय पदार्थ का उत्पादन करते हैं।
2.थर्मल ब्रीडर रिएक्टर मंदविहीन न्यूट्रॉन का उपयोग करते हैं जबकि फास्ट ब्रीडर रिएक्टर मंद न्यूट्रॉन का उपयोग करते हैं।
निचे दिए गए विकल्प का प्रयोग कर सही उत्तर का चयन करें:

Q83) Which of the following statements are true about Indian 3 stage Nuclear Programme?

1.The first two stages are natural uranium-fuelled heavy water reactors and plutonium-fuelled fast breeder reactors respectively.

2.Uranium is replaced by thorium as the fissile material in the third stage.

3. The shortage of thorium is hindering the deployment of the third stage.

Q. Some statements about heavy water are given below:

(i) Heavy water is used as a moderator in nuclear reactors.
(ii) Heavy water is more associated than ordinary water.
(iii) Heavy water is a more effective solvent than ordinary water.

Which of the above statements are correct?

Q. Some statements about heavy water are given below.
(i) Heavy water is used as moderator in nuclear reactors
(ii) Heavy water is more associated then ordinary water
(iii) Heavy water is more effective solvent than ordinary water
Which of the above statements are correct?

Q. Consider the following statements In nuclear power reactors
(a) Uranium-235 is used as the fission material.
(b) Graphite is used as a moderator.
(c) Rods of lead are used to control the rate of nuclear reaction.
Which of the above statements are correct?

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