weak mixture

weak mixture

A fuel-air mixture in which the fuel is proportionally less than a chemically correct mixture (i.e., 1:15). A typical weak mixture is between 1:15 and 1:18. See air-fuel mixture.
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In this unit, heat is transferred to the mixture in order to drive off the refrigerant from the mixture, leaving behind a weak mixture (low percentage of refrigerant) which is transferred back to the absorber via a throttle valve.
engine, by combusting weak mixtures with an addition of hydrogen produced on board of the car.