Internal Combustion Engines The knock in diesel engine occurs due to Reduction of delay period Instantaneous auto ignition of last part of charge Instantaneous and rapid burning of the first part of the charge Delayed burning of the first part of the charge Reduction of delay period Instantaneous auto ignition of last part of charge Instantaneous and rapid burning of the first part of the charge Delayed burning of the first part of the charge ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a petrol engine is _________ as compared to diesel engine. Less More None of these Same Less More None of these Same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a standard Otto cycle for a compression ratio of 5.5 will be 0.5 0.7 1 0.25 0.5 0.7 1 0.25 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 0.02 0.04 0.14 0.08 0.02 0.04 0.14 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine has compression ratio from 15 to 25 6 to 10 10 to 15 25 to 40 15 to 25 6 to 10 10 to 15 25 to 40 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If petrol is used in a diesel engine, then Black smoke will be produced Efficiency will be low Higher knocking will occur Low power will be produced Black smoke will be produced Efficiency will be low Higher knocking will occur Low power will be produced ANSWER DOWNLOAD EXAMIANS APP
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