What is the main reason to use nuclear reactor on a submarine?

it needs no oxygen
it needs no frequent refuelling
it is silent
it is small
Nuclear reactor requires no oxygen for com­bus­tion and emits no exhaust gas. It gives the sub­ma­rine the ability to operate sub­merged at high speeds, for un­lim­it­ed periods, de­pen­dent only on the en­durance of its crew. Nuclear power rev­o­lu­tion­ized the sub­marine, finally making it a true "un­der­wa­ter" vessel, rather than a "sub­mersible" craft.

Answers distribution

it needs no oxygen
it needs no frequent refuelling
it is silent
it is small
answers
flagItaly
66%
27%
5%
0%
18
flagFinland
66%
33%
0%
0%
12
flagthe Netherlands
47%
5%
47%
0%
19
flagNorway
46%
33%
20%
0%
15
flagthe United Kingdom
37%
35%
27%
0%
99
flagthe United States
36%
43%
14%
4%
121
flagIndia
36%
45%
9%
0%
11
flagFrance
36%
27%
36%
0%
11
flagPoland
30%
38%
28%
2%
4804
flagGermany
25%
48%
24%
1%
62
flagUnknown
18%
45%
32%
4%
539
flagRepublic of Ireland
14%
71%
14%
0%
14

Gender

men23%
women32%
it needs no oxygen
23%
32%
it needs no frequent refuelling
40%
37%
it is silent
32%
27%
it is small
3%
2%

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What is the main reason to use nuclear reactor on a submarine?
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Author: Riho Ishii
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