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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
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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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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Wallet.ro
Liquid oxygen is a liquid fuel used in rocket engines.
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Added 11/28/2020 4:57:54 PM
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The transmission of heat requiring the movement of a liquid or a gas is A. radiation. B. transduction. C. conduction. D. convection.
Weegy:
The transmission of heat requiring the movement of a liquid or a gas is convection.
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What's the value of 57,281 joules in Btus? A. 37.7 Btus B. 28.9 Btus C. 54.3 Btus D. 14.2 Btus
Weegy:
57,281 joules is 54.3 Btu.
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Updated 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 12/21/2022 6:34:33 AM
2 Answers/Comments
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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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0
@ZN
The main difference between turbojets and rocket engines is the fact that rocket engines are not dependent on oxygen from the air.
Added 12/21/2022 6:34:33 AM
This answer has been flagged as incorrect.
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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
1 Answer/Comment
8
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
This answer has been confirmed as correct and helpful.
The main purpose of the turbine in a turbojet engine is to A. reduce the temperature of the exhaust gas. B. drive the compressor. C. compress the air. D. increase the velocity of the exhaust gases.
Weegy:
The main purpose of the turbine in the turbojet engine is to drive the compressor.
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Question
Updated 9/9/2021 3:52:49 PM
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