How do you get friction power for single cylinder constant speed diesel engine when only brake dynamometer and fuel measurement arrangements are available?
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Automobile Engineering · all questionsPerformance and Testing of Engines
Performance and Testing of Engines
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Increase in the compression ratio offers the following advantage:
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A chassis dynamometer measures the vehicle power at the:
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Volumetric efficiency of LPG fuelled engine is improved by
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The maximum tractive effort is available in a vehicle, when it is at
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For same compression ratio, thermal efficiency of Otto cycle is
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Checking engine oil level before starting a long journey is an example of
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The air resistance of a vehicle moving with a velocity of 120 km/h is 190 N. The air resistance of the vehicle moving with 100 km/h will be
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Motor vehicles are tested by-
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When the vehicle is moving at a uniform speed, then the tractive effort becomes
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Coefficient of friction between the correctly inflated tyre of a jeep and the icy surface of Srinagar in Jammu and Kashmir is about
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The air resistance is directly proportional to the square of the vehicle speed.
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A frictionless heat engine can be 100% efficient only if its exhaust temperature is
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The amount of heat energy equivalent lost in overcoming engine friction is
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On many engines, the valve timing can be checked by means of marking on the
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Brake thermal efficiency of SI engines is in the range of
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Turbocharger engines are those in which charge density is increased by
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The ratio of brake power output to the fuel energy input per unit time is called:
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Thermal efficiency of a two stroke cycle engine is . . . . . . . . a four stroke cycle engine.
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A fully charged 6 cell automotive battery should indicate:
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