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Nuclear Reactions – 1 – 1

1. The most important advantage of nuclear energy is :

(a) less time is required to generate the energy
(b) a small nuclear fuel is sufficient to produce huge amount of energy
(c) less safety measures are sufficient
(d) many operational difficulties are not there

ANSWER

EXPLANATION

2. Which one of the following nuclear reactions is correct ?

(a) 7N14 2He→ 8Fe19 → 8O16 1H1
(b) 7N14 1H→ 8Fe15 → 6O16 2H1
(c) 7N14 2He→ 8Fe18 → 8O17 1H1
(d) all are the true

ANSWER

EXPLANATION

3. Moderator is used to :

(a) Accelerate the bombarding neutrons
(b) Slow down the bombarding neutrons
(c) To eject more electrons
(d) To arrest the nuclear reaction

ANSWER

EXPLANATION

4. The control rod in a nuclear reactor is made of :

(a) Uranium
(b) Cadmium
(c) Plutomium 
(d) Graphite

ANSWER

EXPLANATION

5. Which of the following isotopes normally fissonable :

(a) 92U233
(b) 92U235
(c) 92U238
(d) 92U240

ANSWER

EXPLANATION

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