Which one of the following substances is a liquid fuel used in rocket engines? A. Potassium perchlorate B. Liquid oxygen C. Ammonia D. Sodium nitrate

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Liquid oxygen is a liquid fuel used in rocket engines.

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Asked 6/17/2019 7:51:50 AM

Updated 11/28/2020 4:57:54 PM

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Wallet.ro

Liquid oxygen is a liquid fuel used in rocket engines.

Added 11/28/2020 4:57:54 PM

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Updated 3 days ago|9/27/2023 7:55:40 PM

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The main difference between turbojets and rocket engines is the fact that A. rocket engines need oxygen from the air. B. rocket engines aren't dependent on oxygen from the air. C. turbojets aren't dependent on oxygen from the air. D. turbojets carry their own supply of oxygen as oxidizers.

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Updated 283 days ago|12/21/2022 6:34:33 AM

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Wallet.ro

The main difference between turbojets and rocket engines is the fact that rocket engines are not dependent on oxygen from the air.

Added 11/28/2020 4:57:39 PM

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Added 283 days ago|12/21/2022 6:34:33 AM

Deleted by anthony23 [12/21/2022 9:33:57 AM]

During the stage of internal-combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber, A. the intake valve is open, and the exhaust valve is closed. B. both the intake and exhaust valves are open. C. both the intake and exhaust valves are closed. D. the exhaust valve is open, and the intake valve is closed.

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Updated 8/5/2020 1:05:01 PM

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Wallet.ro

During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber, both valves will be closed.

Added 8/5/2020 1:05:01 PM

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Weegy: The main purpose of the turbine in the turbojet engine is to drive the compressor. (More)

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Updated 9/9/2021 3:52:49 PM

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