Internal Combustion Engines The expansion of fuel in a four stroke cycle diesel engine Starts at top dead center and ends at 30° after top dead center May start and end anywhere Starts at 15° before 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 top dead center and ends at 30° after top dead center May start and end anywhere Starts at 15° before 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 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Number of working strokes per min. for a four stroke cycle engine are _________ the speed of the engine in r.p.m. Equal to One-half Twice Four-times Equal to One-half Twice Four-times ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 - (1/rγ - 1) None of these 1 - rγ - 1 1 + rγ - 1 1 - (1/rγ - 1) None of these 1 - rγ - 1 1 + rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The volumetric efficiency of a well designed engine may be 60 to 70% 30 to 40% 75 to 90% 40 to 60% 60 to 70% 30 to 40% 75 to 90% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Morse test can be conducted for All of the listed here Multi cylinder engines Diesel engines Petrol engines All of the listed here Multi cylinder engines Diesel engines Petrol engines ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Pick up the wrong statement about supercharging Supercharging reduces knocking in diesel engines Supercharging at high altitudes is essential Supercharging results in fuel economy There can be limited supercharging in petrol engines because of detonation Supercharging reduces knocking in diesel engines Supercharging at high altitudes is essential Supercharging results in fuel economy There can be limited supercharging in petrol engines because of detonation ANSWER DOWNLOAD EXAMIANS APP