Nuclear Power Engineering - Chemical Engineering Questions and Answers

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

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

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

A fertile material is the one, which can be

converted into fissile material on absorption of neutron.

fissioned by slow (thermal) neutrons.

fissioned by fast neutrons.

fissioned by either slow or fast neutrons.

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

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

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

Thorium metal

resembles steel in appearance.

is less hard (in the range of silver).

is highly ductile.

all (a), (b) and (c).

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

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

U-238

U-233

U-235

Pu-239

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

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

isotones

isobars

isotopes

isoters

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

Which of the following ores contains maximum percentage of uranium ?

Carnotite

Thorium.

Rescolite

Pitchblende

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

Uranium ore is currently mined & concentrated at

Jadugoda

Ghatsila

Khetri

Alwaye

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL

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

2 x 10²³

6 x 10²³

6 x 10³²

5 x 10⁵