Fuel oil consumption guarantees for I.C. engine are usually based on
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The thermal efficiency of diesel engines on weak mixtures is
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In compression ignition engines, swirl denotes a
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In a four stroke cycle diesel engine, the compression
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In a four stroke cycle petrol engine, the compression
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In a four stroke cycle diesel engine, the inlet valve
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In a four stroke cycle petrol engine, the inlet valve
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In order to eliminate knocking in compression ignition engines, there should be
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The normal heptane (C7H16) is given a rating of ________ octane number.
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In order to mix air and petrol in the required proportion and to supply it to the engine during suction stroke, then _________ is employed.
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The increase in intake temperature of internal combustion engines will _________ efficiency.
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During idling, a petrol engine requires _________ mixture.
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The cam shaft of a four stroke I.C. engine running at 1500 rpm will run at
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Polymerization is a chemical process in which molecules of a compound become
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The theoretically correct mixture of air and petrol is
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An hmh flame speed is obtained in diesel engine when air fuel ratio is
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A stoichiometric air-fuel ratio is
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The temperature of interior surface of cylinder wall in normal operation is not allowed to exceed
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A two stroke cycle engine gives ________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed.
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The fuel air ratio in a petrol engine fitted with suction carburettor, operating with dirty air filter as compared to clean filter will be
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