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
83%
8%
8%
0%
12
flagNorway
46%
33%
20%
0%
15
flagthe United Kingdom
38%
38%
23%
0%
68
flagthe United States
36%
43%
14%
4%
112
flagPoland
33%
36%
28%
2%
2829
flagGermany
25%
46%
27%
0%
43

Gender

men29%
women32%
it needs no oxygen
29%
32%
it needs no frequent refuelling
37%
36%
it is silent
30%
28%
it is small
2%
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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