Internal Combustion Engines The fuel valve in a four stroke cycle diesel engine Opens at 15° before top dead center and closes at 20° after top dead center Opens at top dead center and closes at bottom dead center May open and close anywhere Opens at 15° after top dead center and closes at 20° before bottom dead center Opens at 15° before top dead center and closes at 20° after top dead center Opens at top dead center and closes at bottom dead center May open and close anywhere Opens at 15° after top dead center and closes at 20° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in spark ignition engines can be reduced by None of these Increasing the engine speed Retarding the spark Both (A) and (B) None of these Increasing the engine speed Retarding the spark Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The operation of forcing additional air under pressure in the engine cylinder is known as Supercharging Turbulence Pre-ignition Scavenging Supercharging Turbulence Pre-ignition Scavenging ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression, in petrol engines, is approximately 35 bar 20 bar 25 bar 10 bar 35 bar 20 bar 25 bar 10 bar ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The accumulation of carbon in a cylinder results in increase of Volumetric efficiency Clearance volume Effective compression ratio Ignition time Volumetric efficiency Clearance volume Effective compression ratio Ignition time ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A petrol engine has compression ratio from 15 to 25 25 to 40 6 to 10 10 to 15 15 to 25 25 to 40 6 to 10 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
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