Chemical Engineering Mcqs

Which of the following ores contains maximum percentage of uranium ?

(A) Carnotite
(B) Thorium
(C) Rescolite
(D) Pitchblende

Submitted By :Ali Uppal

Thermal neutrons which are used to cause the fission of U-235 have energy _____________ eV?

(A) < 0.025
(B) > 1
(C) 1-25
(D) > 200

Submitted By :Ali Uppal

Net efficiency of ordinary light water cooled nuclear reactor is about _____________ percent?

(A) 32
(B) 52
(C) 72
(D) 88

Submitted By :Ali Uppal

The ratio of volume of an atom to that of its nucleus is__________________?

(A) 1012
(B) 10-12
(C) 10-8
(D) 108

Submitted By :Ali Uppal

Heavy water used in the nuclear reactors to slow down the speed of neutrons is __________________?

(A) Highly purified water
(B) A compound of oxygen and deuterium
(C) Water having dissolved salts of heavy metals
(D) None of these

Submitted By :Ali Uppal

Solar energy results from _______________ reaction?

(A) Fission
(B) Combustion
(C) Thermonuclear
(D) None of these

Submitted By :Ali Uppal

Emission of β-particles during radioactive decay of a substance is from__________________?

(A) Innermost shell
(B) Nucleus
(C) Outermost shell
(D) None of these

Submitted By :Ali Uppal

Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature and pressure limits of the reactor ?

(A) Molten sodium cooled
(B) CO2 gas cooled
(C) Pressurised water
(D) Boiling water

Submitted By :Ali Uppal

Which of the following is not a naturally occurring nuclear fuel ?

(A) Uranium-238
(B) Thorium-233
(C) Plutonium-239
(D) None of these

Submitted By :Ali Uppal

Safety rods provided in nuclear reactors to guard against accidents, in case of earthquake are made of___________________?

(A) High carbon steel
(B) Molybdenum
(C) Zircaloy
(D) Boron or cadmium

Submitted By :Ali Uppal

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