Internal Combustion Engines In a four stroke cycle diesel engine, the inlet valve May open and close anywhere Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center May open and close anywhere Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the inlet valve Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at top dead center and closes at bottom dead center May open or close anywhere Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at top dead center and closes at bottom dead center May open or close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is Same More or less depending on power rating More Less Same More or less depending on power rating More Less ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The _________ engines can work on very lean mixture of fuel. None of these Compression ignition Both (A) and (B) Spark ignition None of these Compression ignition Both (A) and (B) Spark ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of cetane number 40 has the same ignition quality as a mixture of 40% diesel and 60% petrol 40% cetane and 60% alpha methyl naphthalene 40% alpha methyl naphthalene and 60% cetane 40% petrol and 60% diesel 40% diesel and 60% petrol 40% cetane and 60% alpha methyl naphthalene 40% alpha methyl naphthalene and 60% cetane 40% petrol and 60% diesel ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the percentage increase in efficiency will be 0.08 0.04 0.02 0.14 0.08 0.04 0.02 0.14 ANSWER DOWNLOAD EXAMIANS APP
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