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Beginner's Guide to Propulsion and EngineSim

Fuel and Air Relationships - Worksheet


Shown below is a table of standard relationships.

One cubic foot

=

62.4 pounds

(Density of Water)

One gallon

=

8 pounds

(Weight of Water)

One gallon

=

128 ounces


One inch

=

2.54 centimeters


One cubic meter

=

1,000,000 cubic centimeters


One cubic foot

=

1728 cubic inches


Your problem is to compare the fluid volumes of jet fuel (a liquid) and air (a gas). To solve the problem, use the density of both air and jet fuel. Jet fuel weighs approximately 62.5% of the weight of water. The density of the air changes with altitude. At sea level, the density of air is 1.222 kilograms per cubic meter. Show your work and record your answers in the spaces shown below:

1. Find the volume of the air.

 

 

 

2. Find the volume of the jet fuel.

 

 

  

3. What is the ratio of the volume of fuel/volume of air?