Nuclear Power Engineering MCQs

Question 1

Molten sodium is used as a coolant in a fast breeder reactor, because of its

Accepted Answer

Faster heat removal capability from the core

Answer

Excellent moderating properties

Answer

Neutron breeding capability

Answer

Capability to increase the reaction rate in the core

Question 2

Pick out the wrong statement.

Accepted Answer

Gamma rays are high energy electrons

Answer

The ratio of the density of the 'nucleus' to that of the 'atom' is 10 12

Answer

Α-particle is identical with a doubly charged helium ion

Answer

The mass of deuterium atom is half that of helium atom

Question 3

Nuclear fuel complex, Hyderabad is engaged in the job of

Accepted Answer

Manufacture of nuclear fuel elements/assemblies

Answer

Processing of uranium ore

Answer

Treatment of spent fuel

Answer

None of these

Question 4

Uranium Corporation of India Limited (UCIL) engaged in the mining & concentration of uranium ore is located at

Accepted Answer

Jadugoda (in Jharkhand)

Answer

Alwaye (in Kerala)

Answer

Kalpakkam (in Tamilnadu)

Answer

Gopalpur coast (in Orissa)

Question 5

Sodium melts (at atmospheric pressure) at a temperature of __________ °C.

Accepted Answer

98

Answer

58

Answer

348

Answer

588

Question 6

Out of the followingplaces, a nuclear power plant is not located at

Accepted Answer

Talcher (Orissa)

Answer

Kaiga (Karnataka)

Answer

Rawatbhata (Rajsthan)

Answer

Kalpakkam (Tamilnadu)

Question 7

The time required for half of the __________ of a radioactive isotope to decay is called its half life.

Accepted Answer

Nuclei

Answer

Electrons

Answer

Protons

Answer

Neutrons

Question 8

Coolant used in a fast breeder reactor is

Accepted Answer

Molten sodium

Answer

Heavy water

Answer

Ordinary water

Answer

Helium

Question 9

Which is the most commonly used molten metal for cooling of nuclear reactors?

Accepted Answer

Sodium

Answer

Calcium

Answer

Mercury

Answer

Zinc