Internal Combustion Engines During idling, a petrol engine requires _________ mixture. Lean Rich Chemically correct None of these Lean Rich Chemically correct None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition quality of petrol is expressed by Calorific value Octane number All of these Cetane number Calorific value Octane number All of these Cetane number ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed, 4-stroke cycle diesel engine Fuel injection starts at 10° before top dead center and ends at 20° after top dead center Fuel injection starts at top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at just before top dead center and ends just after top dead center Fuel injection starts at 10° before top dead center and ends at 20° after top dead center Fuel injection starts at top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at just before top dead center and ends just after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase of efficiency of a compression ignition engine, as the load decreases, is due to Quantitative governing Hit and miss governing Qualitative governing Higher maximum temperature Quantitative governing Hit and miss governing Qualitative governing Higher maximum temperature ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The firing order in an I.C. engine depends upon Design of crankshaft Arrangement of the cylinders Number of cylinders All of these Design of crankshaft Arrangement of the cylinders Number of cylinders All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is 252 cm3 286 cm3 264 cm3 248 cm3 252 cm3 286 cm3 264 cm3 248 cm3 ANSWER DOWNLOAD EXAMIANS APP
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