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Efficiency of Fuel

Aviation gaso...

Question

Aviation gasoline has octane number of 100 or more.

A

True

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B

False

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Solution

The correct option is A True
Aviation gasoline has octane number of 100 or more. Aviation gasoline is the fuel used in aeroplanes. Use of gasoline with lower octane number may lead to the problem of engine knocking.

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Q. Assertion :Aviation gasoline octane rating is used in piston aircraft. Reason: It is the arithmatic mean of aviation lean rating and aviation rich rating.

Q. In aviation gasoline of

100

1.0

mL of tetraethyl lead (TEL),

(C_{2} H_{5})_{4} P b

1.615

g/mL per litre is added to the product. TEL is prepared as follows:

4 C_{2} H_{5} C l + 4 N a (P b) \to (C_{2} H_{5})_{4} P b + 4 N a C l + 3 P b

Calculate the amount of

C_{2} H_{5} C l

required to make enough TEL for

1.0 L

Q. Which of the following will increase the octane number of gasolines?

Q. The octane number of gasoline is defined as the percentage of n-heptane present in a mixture of iso-octane and n-heptane, when the mixture has the same knocking in the engine, as the gasoline under examination.

Q. Assertion :Tetraethyl lead is used to increase the octane number of gasoline. Reason: It acts as negative catalyst and slows down the combustion of gasoline.

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