Which submarine class is diesel-electric?

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Multiple Choice

Which submarine class is diesel-electric?

Explanation:
Diesel-electric propulsion uses diesel engines to drive generators that charge large battery banks, and the submarine moves with electric motors powered by those batteries. This setup keeps the vessel quiet when running on battery power and does not involve a nuclear reactor. The submarine class in question is Varshavyanka, a modernized Kilo-class diesel-electric submarine. The other options rely on nuclear power: Borei is a nuclear-powered ballistic-missile submarine, while Yasen and its Yasen-M variant (Kazan) are nuclear-powered cruise-missile submarines.

Diesel-electric propulsion uses diesel engines to drive generators that charge large battery banks, and the submarine moves with electric motors powered by those batteries. This setup keeps the vessel quiet when running on battery power and does not involve a nuclear reactor. The submarine class in question is Varshavyanka, a modernized Kilo-class diesel-electric submarine. The other options rely on nuclear power: Borei is a nuclear-powered ballistic-missile submarine, while Yasen and its Yasen-M variant (Kazan) are nuclear-powered cruise-missile submarines.

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