Internal Combustion Engines The cetane number of diesel oil, generally available, is 20 to 25 30 to 40 40 to 55 25 to 30 20 to 25 30 to 40 40 to 55 25 to 30 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by Increasing the inlet pressure of air Raising the compression ratio All of these Reducing the delay period Increasing the inlet pressure of air Raising the compression ratio All of these Reducing the delay period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The expansion of fuel in a four stroke cycle diesel engine Starts at 15° after top dead center and ends at 30° before bottom dead center Starts at 15° before top dead center and ends at 30° after top dead center May start and end anywhere Starts at top dead center and ends at 30° after top dead center Starts at 15° after top dead center and ends at 30° before bottom dead center Starts at 15° before top dead center and ends at 30° after top dead center May start and end anywhere Starts at top dead center and ends at 30° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Theoretically, a four stroke cycle engine should develop _________ power as that of a two stroke cycle engine. Four times Half Same Double Four times Half Same Double ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a diesel engine, the duration between the time of injection and ignition, is known as Burning period Period of ignition Delay period Pre-ignition period Burning period Period of ignition Delay period Pre-ignition period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The purpose of testing an internal combustion engine is To determine the information, which cannot be obtained by calculations All of these To conform the data used in design, the validity of which may be doubtful To satisfy the customer regarding the performance of the engine To determine the information, which cannot be obtained by calculations All of these To conform the data used in design, the validity of which may be doubtful To satisfy the customer regarding the performance of the engine ANSWER DOWNLOAD EXAMIANS APP
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