Internal Combustion Engines A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of 75% diesel and 25% petrol 75% petrol and 25% diesel 75% normal heptane and 25% iso-octane 75% iso-octane and 25% normal heptane 75% diesel and 25% petrol 75% petrol and 25% diesel 75% normal heptane and 25% iso-octane 75% iso-octane and 25% normal heptane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The normal heptane (C₇Hâ‚₆) is given a rating of ________ octane number. 120 50 100 120 50 100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, the delay period is of the order of 0.003 second 0.004 second 0.001 second 0.002 second 0.003 second 0.004 second 0.001 second 0.002 second ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine Opens at 50° after bottom dead center and closes at 15° before top dead center May open and close anywhere Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at bottom dead center and closes at top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center May open and close anywhere Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at bottom dead center and closes at top 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 Four-times Twice Equal to One-half Four-times Twice ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Supercharging is essential in Aircraft engines Diesel engines Gas turbines Petrol engines Aircraft engines Diesel engines Gas turbines Petrol engines ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS