In the crankcase method of scavenging, the air pressure is produced by
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The increase of efficiency of a compression ignition engine, as the load decreases, is due to
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In a four stroke cycle petrol engine, the charge is ignited at
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The spark ignition engines are governed by
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The compression ignition engines are governed by
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It the temperature of intake air in I.C. engines is lowered, then its efficiency will
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If the intake air temperature of I.C. engine increases, its efficiency will
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If the temperature of intake air in internal combustion engine increases, then its efficiency will
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The probability of knocking in diesel engines is increased by
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The pressure at the end of compression in the case of diesel engine is of the order of
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The maximum temperature in the I.C. engine cylinder is of the order of
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For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of
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The theoretically correct air fuel ratio for petrol engine is of the order of
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In petrol engines, the delay period is of the order of
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The inlet value of a four stroke cycle I.C engine remains open for nearly
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As a result of detonation in an I.C. engine, following parameter attains very high value
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A higher compression ratio causes
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In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke is __________ the atmospheric pressure.
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The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to
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All heat engines utilize
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