Internal Combustion Engines The basic requirement of a good combustion chamber is Minimum turbulence High thermal efficiency and power output Low compression ratio Low volumetric efficiency Minimum turbulence High thermal efficiency and power output Low compression ratio Low volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The theoretically correct mixture of air and petrol is 15 : 1 10 : 1 20 : 1 25 : 1 15 : 1 10 : 1 20 : 1 25 : 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure inside the cylinder is _________ the atmospheric pressure during the exhaust stroke. Below Equal to None of these Above Below Equal to None of these Above ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase of cooling water temperature in petrol engine will _________ the knocking tendency. Increase Decrease Not effect None of these Increase Decrease Not effect None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which one of the following event would reduce volumetric efficiency of a vertical compression ignition engine? Exhaust valve closing after top dead center Inlet valve opening before top dead center Inlet valve closing after bottom dead center Inlet valve closing before bottom dead center Exhaust valve closing after top dead center Inlet valve opening before top dead center Inlet valve closing after bottom dead center Inlet valve closing before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The size of inlet valve of an engine in comparison to exhaust valve is More/less depending on capacity of engine More Less Same More/less depending on capacity of engine More Less Same ANSWER DOWNLOAD EXAMIANS APP
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