Question

Graphite is used in nuclear reactor as

a.

insulation lining of the reactor.

b.

fuel.

c.

lubricant.

d.

retarder of neutron velocity.

Answer: (d).retarder of neutron velocity.

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. Graphite is used in nuclear reactor as

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. The ₉₂U²³⁸ emits an a-particle. The product is

Q. 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

Q. Thermal shield is used in high powered nuclear reactors to

Q. The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about __________ metres/second.

Q. A fast breeder reactor employs

Q. Percentage of U-238 in natural uranium is around

Q. Emission of β-particles during radioactive decay of a substance is from

Q. How many atoms are present in one gm-atom of an element ?

Q. Uranium ore is currently mined & concentrated at

Q. Which of the following ores contains maximum percentage of uranium ?

Q. Atoms with same number of neutrons, but different number of nucleons are called

Q. Enrichment of uranium is done to increase the concentration of __________ in the natural uranium.

Q. Thorium metal

Q. Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of __________ percent of U-235 (i.e. fissile material).

Q. A fertile material is the one, which can be

Q. The number of neutrons accompanying the formation of ₅₄Xe¹³⁹ and ₃₈Sr⁹⁴ from the absorption of a slow neutron by ₉₂U²³⁵ , followed by nuclear fission is

Q. Nuclides having the same atomic numbers are termed as

Q. __________ nuclear reactor does not require a heat exchanger to supply steam to power turbine.

Q. If 4 gm of a radioisotope has a half life period of 10 days, the half life of 2 gm of the same istotope will be __________ days.

Q. Pick out the wrong statement.

Recommended Subjects

Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!