Internal Combustion Engines The accumulation of carbon in a cylinder results in increase of Clearance volume Ignition time Volumetric efficiency Effective compression ratio Clearance volume Ignition time Volumetric efficiency Effective compression ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The purpose of testing an internal combustion engine is To conform the data used in design, the validity of which may be doubtful All of these To determine the information, which cannot be obtained by calculations To satisfy the customer regarding the performance of the engine To conform the data used in design, the validity of which may be doubtful All of these To determine the information, which cannot be obtained by calculations To satisfy the customer regarding the performance of the engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Mechanical efficiency Overall efficiency Indicated thermal efficiency Volumetric efficiency Mechanical efficiency Overall efficiency Indicated thermal efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the compression Starts at 40° before top dead center and ends at 40° after top dead center May start and end anywhere Starts at 40° after bottom dead center and ends at 10° before top dead center Starts at top dead center and ends at 40° before bottom dead center Starts at 40° before top dead center and ends at 40° after top dead center May start and end anywhere Starts at 40° after bottom dead center and ends at 10° before top dead center Starts at top dead center and ends at 40° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The two reference fuels used for cetane rating are Cetane and tetra ethyl lead Cetane and normal heptane Cetane and iso-octane Cetane and alpha-methyl naphthalene Cetane and tetra ethyl lead Cetane and normal heptane Cetane and iso-octane Cetane and alpha-methyl naphthalene ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking tendency in spark ignition engines may be decreased by Controlling the exhaust temperature Reducing the compression ratio Controlling the air-fuel mixture Controlling the ignition timing Controlling the exhaust temperature Reducing the compression ratio Controlling the air-fuel mixture Controlling the ignition timing ANSWER DOWNLOAD EXAMIANS APP
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