Internal Combustion Engines The fuel valve in a four stroke cycle diesel engine Opens at 15° after top dead center and closes at 20° before bottom dead center May open and close anywhere 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 Opens at 15° after top dead center and closes at 20° before bottom dead center May open and close anywhere 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 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If V₁ is the jet velocity and V₀ is the vehicle velocity, then propulsive efficiency of a turbojet engine is V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) 2V₁ / (V₀ + V₁) 2V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) 2V₁ / (V₀ + V₁) 2V₀ / (V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to Inject fuel in a chamber of high pressure at the end of compression stroke All of these Inject fuel at a high velocity to facilitate atomization Ensure that penetration is not high Inject fuel in a chamber of high pressure at the end of compression stroke All of these Inject fuel at a high velocity to facilitate atomization Ensure that penetration is not high ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A 5 BHP engine running at full load would consume diesel of the order of 3 kg/hr 1 kg/hr 5 kg/hr 0.3 kg/hr 3 kg/hr 1 kg/hr 5 kg/hr 0.3 kg/hr ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to eliminate knocking in compression ignition engines, there should be Short delay period Late auto-ignition Low compression ratio High self ignition temperature of fuel Short delay period Late auto-ignition Low compression ratio High self ignition temperature of fuel ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines When crude oil is heated, then which of the following hydrocarbon is given off first? Paraffin Natural gas Gasoline Kerosene Paraffin Natural gas Gasoline Kerosene ANSWER DOWNLOAD EXAMIANS APP
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