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Mechanical Engineering · all questions

Internal Combustion Engines (I.C. Engines)
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The brake power of a diesel engine, keeping other parameters constant, can be increased by

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A supercharged engine as compared to an ordinary engine

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In a petrol engine, if diesel is used, then the engine will

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A diesel engine as compared to petrol engine (both running and rated load) is

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Supercharging is the process of supplying the intake air to the engine cylinder at a density _________ the density of the surrounding atmosphere.

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Air fuel ratio at which a petrol engine cannot work is

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In a four-stroke petrol engine (actual cycle), the expansion stroke starts and ends approximately at:

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The volumetric efficiency of a well designed engine may be

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Compression loss in I.C engines occurs due to

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The reference fuels for knock rating of spark ignition engines would include

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A diesel engine is _________ as compared to petrol engine, both running at rated load.

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Which of the following statement is correct regarding normal cetane?

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The mechanical efficiency () of the engine is given by

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The loud pulsating noise heard within the cylinder of an internal combustion engine is known as

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The power actually developed by the engine cylinder of an I.C. engine is known as

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Most high speed compression engines operate on

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High speed compression engines operate on

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The combustion in compression ignition engines is

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Combustion in compression ignition engines is

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Antiknock for compression ignition engines is

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