Internal Combustion Engines The output of a diesel engine can be increased without increasing the engine revolution or size in following way Supercharging Heating incoming air Scavenging Feeding more fuel Supercharging Heating incoming air Scavenging Feeding more fuel ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following statement is correct regarding petrol engines? All of these A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition All of these A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in spark ignition engines can be reduced by Retarding the spark Increasing the engine speed None of these Both (A) and (B) Retarding the spark Increasing the engine speed None of these Both (A) and (B) 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. One-half Four-times Twice Equal to One-half Four-times Twice Equal to ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided Flywheel size is proper Cannot work as it is impossible It is properly designed Best quality fuel is used Flywheel size is proper Cannot work as it is impossible It is properly designed Best quality fuel is used ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The correct mixture strength (by weight) for petrol is about 14.6 : 1 20.4 : 1 22.6 : 1 18.5 : 1 14.6 : 1 20.4 : 1 22.6 : 1 18.5 : 1 ANSWER DOWNLOAD EXAMIANS APP
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