169. Carburetion is done to
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170. Power impulses from an I.C. engine are smoothed out by
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171. The theoretically correct mixture of air and petrol is approximately
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172. For low speed operation or for idling in petrol engines, the engine requirements are for
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173. In petrol engines, advancing the spark timing will
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174. The following type of carburetor is preferred
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175. The essential equipment for producing high voltage for sparking in petrol engines with battery is
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