Internal Combustion Engines The ratio of the indicated thermal efficiency to the air standard efficiency is known as Volumetric efficiency Relative efficiency Overall efficiency Mechanical efficiency Volumetric efficiency Relative efficiency Overall efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to eliminate knocking in compression ignition engines, there should be Short delay period High self ignition temperature of fuel Low compression ratio Late auto-ignition Short delay period High self ignition temperature of fuel Low compression ratio Late auto-ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A carburettor is used to supply Air and diesel Petrol and lubricating oil Petrol and air Petrol, air and lubricating oil Air and diesel Petrol and lubricating oil Petrol and air Petrol, air and lubricating oil ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a coil ignition system of petrol engines, a condenser is connected across the contact breaker in order to Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Prevent sparking across the gap between the points Both (A) and (B) None of these Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Prevent sparking across the gap between the points Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines When crude oil is heated, then which of the following hydrocarbon is given off first? Gasoline Natural gas Paraffin Kerosene Gasoline Natural gas Paraffin Kerosene ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the expansion Starts at 30° after top dead center and ends at 50° after bottom dead center Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at top dead center and ends at bottom dead center May start and end anywhere Starts at 30° after top dead center and ends at 50° after bottom dead center Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at top dead center and ends at bottom dead center May start and end anywhere ANSWER DOWNLOAD EXAMIANS APP
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