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CSS Solved Papers
Physics Chemistry

Engineering :: Heat Engines


  Vapour lock is
[A]. Lock of vaporization of fuel to atomspheric pressure[B]. Excess fuel supply to engine due to faster evaporation
[C]. Complete or partial stoppage of fuel supply due to vaporisation of fuel in supply steam[D]. Locking carburettor jets due to vapour pressure
[E]. Supply of liquid fuel particles to engine in maixture    

Answer: Option C


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