Internal Combustion Engines The knocking in spark ignition engines can be reduced by Both (A) and (B) None of these Retarding the spark Increasing the engine speed Both (A) and (B) None of these Retarding the spark Increasing the engine speed ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the compression 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 Starts at 40° before top dead center and ends at 40° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the ratios of all the corresponding linear dimensions are equal, then the model and the prototype are said to have None of these Kinematic similarity Dynamic similarity Geometric similarity None of these Kinematic similarity Dynamic similarity Geometric similarity ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A two stroke cycle engine gives ________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed. Same Four times Half Double Same Four times Half Double ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The compensating jet in a carburettor supplies almost constant amount of petrol at all speeds because the The flow from the main jet is diverted to the compensating jet with increase in speed The diameter of the jet is constant and the discharge coefficient is invariant Flow is produced due to the static head in the float chamber Jet area is automatically varied depending on the suction The flow from the main jet is diverted to the compensating jet with increase in speed The diameter of the jet is constant and the discharge coefficient is invariant Flow is produced due to the static head in the float chamber Jet area is automatically varied depending on the suction ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The accumulation of carbon in a cylinder results in increase of Volumetric efficiency Ignition time Effective compression ratio Clearance volume Volumetric efficiency Ignition time Effective compression ratio Clearance volume ANSWER DOWNLOAD EXAMIANS APP