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Q.

Which of the following is an example of a double-base propellant?

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a

Nitro methane

b

Polyurethane, ammonium perchlorate and magnesium

c

Nitroglycerine and nitrocellulose

d

Liquid N2O4 and acrylic rubber

answer is B.

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Detailed Solution

Nitroglycerine and nitrocellulose is an example of a double-base propellant

Oxidizer and fuel components are both present in the same molecule in double base propellants. nitroglycerin and nitrocellulose, for instance. Nitrocellulose gels in this situation and solidifies to form a bulk.

Hence option B is correct

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