fuel

#4. The Octane rating of a fuel is determined by comparison with mixtures of:

• AMethane and orthodentine.
• BHeptane and iso octane.
• CMethane and iso octance.
• DHeptane and orthodentine.

#11. If the specific gravity of a fuel is known to be 0.7, 100 Imperial Gallons of it will weigh:

• A700 Ib
• B70 Ib
• C7000 Ib
• D7,100 Ib

#1. A fuel grade which is used in typical aircraft engines is:

• AD.T.D. 585/100
• BD.E.R.D. 2479
• CAVGAS 100
• DD.E.R.D. 2484