Nuclear Power Engineering - Practice Test

[#66] Commercial power generation from fusion reactor is not yet possible, because

(A) It is difficult to control fusion reaction

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

(C) It is difficult to initiate fusion reaction

(D) Quantity of fuel required for initiating fusion reaction is prohibitively high

Correct Answer

(A) It is difficult to control fusion reaction

[#67] Fast breeder reactors are most usable in India, because of our largest __________ deposits.

(A) Thorium

(B) Plutonium

(C) Uranium

(D) None of these

Correct Answer

(A) Thorium

[#68] The sum of masses of two nuclei produced in nuclear fission compared to the mass of original nucleus is

(A) Less

(B) More

(C) Same

(D) Much more

Correct Answer

(A) Less

[#69] Pick out the correct statement.

(A) Loss of electrons from neutral atoms produces negative ions

(B) The radius of nucleus & atomic size are of the order of 10 -12 cm & 10 -8 cm respectively

(C) Gain of electrons by neutral atoms form cations

(D) Proton to neutron ratio in a stable nucleus is 2 : 1

(E) Positron is the antiparticle of electron

(F) In α-decay, the ratio of neutron to proton decreases

(G) Ionising power of β-rays is higher than that of α-rays

(H) Speed of α-rays is more than that of γ-rays

Correct Answer

(B) The radius of nucleus & atomic size are of the order of 10 -12 cm & 10 -8 cm respectively
(E) Positron is the antiparticle of electron

[#70] Heavy water has maximum density at __________ °C.

(A) 4

(B) 11.6

(C) 0

(D) 18.6

Correct Answer

(B) 11.6

Nuclear Power Engineering - Study Mode

[#66] Commercial power generation from fusion reactor is not yet possible, because

Correct Answer

[#67] Fast breeder reactors are most usable in India, because of our largest __________ deposits.

Correct Answer

[#68] The sum of masses of two nuclei produced in nuclear fission compared to the mass of original nucleus is

Correct Answer

[#69] Pick out the correct statement.

Correct Answer

[#70] Heavy water has maximum density at __________ °C.

Correct Answer