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Question
Which of the following is used as fuel in rockets?
Which of the following is used as fuel in rockets?
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Solution
The correct option is C Liquid hydrogen
Option (c) Liquid hydrogen is used as fuel in the rocket.
To increase the amount of liquid hydrogen that could be carried in a rocket, it is stored at a very low temperature
Also, It has a very high specific impulse.
Liquid hydrogen can be packed in a much smaller space which is beneficial.
Liquid hydrogen has the lowest molecular weight.
Final Answer: Option (c)
Incorrect options
Option (a) Solid hydrogen: It has more molecular weight than liquid. The liquid is more likely to flow to the outlet pickup.
Option (b) Gaseous hydrogen is not very dense and is tougher to handle. It can combust
Option(d) Solid oxygen: It is used as an oxidizer with liquid hydrogen in rocket
Liquid hydrogen
Option (c) Liquid hydrogen is used as fuel in the rocket.
To increase the amount of liquid hydrogen that could be carried in a rocket, it is stored at a very low temperature
Also, It has a very high specific impulse.
Liquid hydrogen can be packed in a much smaller space which is beneficial.
Liquid hydrogen has the lowest molecular weight.
Final Answer: Option (c)
Incorrect options
Option (a) Solid hydrogen: It has more molecular weight than liquid. The liquid is more likely to flow to the outlet pickup.
Option (b) Gaseous hydrogen is not very dense and is tougher to handle. It can combust
Option(d) Solid oxygen: It is used as an oxidizer with liquid hydrogen in rocket
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