Internal Combustion Engines A spark plug gap is kept from 0.2 to 0.8 mm 0.3 to 0.7 mm 0.6 to 1.0 mm 0.4 to 0.9 mm 0.2 to 0.8 mm 0.3 to 0.7 mm 0.6 to 1.0 mm 0.4 to 0.9 mm ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, advancing of the spark timing will ___ the knocking tendency. None of the listed here Decrease Increase Not effect None of the listed here Decrease Increase Not effect ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The reason for supercharging in any engine is to Reduce weight and bulk for a given output Increase efficiency Effect fuel economy Increase power Reduce weight and bulk for a given output Increase efficiency Effect fuel economy Increase power ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane (C₁₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of 100 50 120 0 100 50 120 0 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The normal heptane (C₇Hâ‚₆) is given a rating of ________ octane number. 120 100 50 120 100 50 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the inlet valve May open or 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 or 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