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VisionIAS - Online Self Test
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Questions for practice
1)

The function of control rods in a nuclear reactor is to:

(a)Slow down the speed of neutrons

(b)Increase the availability of neutrons

(c)Decrease the availability neutrons

(d)Speed up the heat removal process

2)

Which of the following can be used as a moderator in a nuclear reactor?

1. Heavy Water
2. Regular Water
3. Boron
4. Cadmium

Select the correct answer from the codes given below

(a)1 only

(b)1 and 2 only

(c)1, 3 and 4 only

(d)All of the above

3)

Consider the following statements-:

1. XPOSAT is a panned dedicated mission to study the radiation from the black holes

2. ISRO has proposed a consolidated Human space flight center (HSFC), which will be established at Challakere, Karnataka.

Choose the correct statements from the codes given below.

(a)1 only 

(b)2 only

(c)Both 1 and 2

(d)Neither 1 nor 2

4)

Consider the following statements with regard to Nuclear Reaction:

1. Nuclear Fission reactions are both controlled and uncontrolled.
2. Nuclear Fusion reaction is only of an uncontrolled type.

Which of the statements mentioned above is/are not correct?

(a)1 Only

(b)2 Only

(c)Both 1 and 2

(d)Neither 1 nor 2

5)

Consider the following statements with respect to Nuclear Technology:

  1. Nuclear fission is the addition of two smaller nuclei fuse to form a big nucleus and is generally found in stars.
  2. Nuclear fusion is the disintegration and nuclear waste is produced where the big nucleus breaks into smaller nuclei.
  3. Nuclear reactors work upon fission and radioactivity is one of the manifestations of nuclear fission.

How many of the statements given above is/are correct?

(a)Only one

(b)Only two

(c)All three

(d)None

6)

Consider the following statements:

Statement I- Moderator is not used in the Fast Breeder Reactor.

Statement II- The moderator slows down the neutrons and will hamper the transmutation of uranium-238 into Plutonium-239.

Which one of the following is correct in respect of the above statements?

(a)Both Statement I and Statement II are correct and Statement II is the correct explanation of Statement I.

(b)Both Statement I and Statement II are correct and Statement II is not the correct explanation of Statement I.

(c)Statement I is correct but Statement II is incorrect.

(d)Statement I is incorrect but Statement II is correct.

7)

Consider the following statements :

Statement-1: India has a three-stage nuclear program. 
Statement-2: Out of the three stages only the first stage is fully functional. 

Which one of the following is correct in respect of the above statements?

(a) Both Statement-1 and Statement-2 are correct and Statement-2 is the correct explanation for Statement-1

(b)Both Statement-1 and Statement-2 are correct and Statement-2 is not the correct explanation for Statement-1

(c)Statement-1 is correct but Statement-2 is incorrect

(d)Statement-1 is incorrect but Statement-2 is corre

8)

Consider the following options:
1. Control rods 

2. Moderator 

3. Carburetor
How many of the above options form part of nuclear power plant 

(a)only one 

(b)only two 

(c)all three 

(d)none 

9)

What is role of moderator in nuclear power plant? (150 words)

10)

What are the differences between nuclear fission and nuclear fusion reactions? (150 words/10 Marks )



Answers
1) c
2) b
3) b
4) b
5) a
6) a
7) b
8) b