Nuclear Power Engineering - Chemical Engineering Questions and Answers

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

Heat is generated in a nuclear reactor (thermal) by

combustion of a nuclear fuel e.g. uranium.

fusion of atoms of uranium.

absorption of neutrons in uranium atoms.

fission of U-235 by neutrons.

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

The time taken for a radioactive element to reduce to 50% of its original weight is __________ years, if its half life period is 12 years.

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

Which of the following may not need a moderator ?

Candu reactor

Fast breeder reactor

Homogeneous reactor

Pressurised water reactor

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

The amount of a radioisotope remaining undecayed after a time equal to four times its half life, will be __________ percent.

3.125

6.25

12.50

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

Fast breeder reactors do not

use Th-232 as fissile fuel.

convert fertile material to fissile material.

use fast neutrons for fission.

use molten sodium as coolant.

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

Thorium-232 is converted into uranium-233 in a/an __________ nuclear reactor.

thermal

fast breeder

heavy water moderated

enriched uranium

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

Which of the following may not need a control rod ?

Liquid metal cooled reactor.

Fast breeder reactor.

Candu reactor.

None of these.

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

One 'amu' is equivalent to

9.31 MeV

931 eV

931 Mev

931J

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

Commercial power generation from fusion reactor is not yet possible, because

it is difficult to control fusion reaction.

the fuel required (e.g. deuterium and tritium) is scarce.

it is difficult to initiate fusion reaction.

quantity of fuel required for initiating fusion reaction is prohibitively high.