Internal Combustion Engines The two reference fuels used for cetane rating are Cetane and iso-octane Cetane and tetra ethyl lead Cetane and alpha-methyl naphthalene Cetane and normal heptane Cetane and iso-octane Cetane and tetra ethyl lead Cetane and alpha-methyl naphthalene Cetane and normal heptane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The tangential velocity of the water element having a free vortex is Inversely proportional to its distance from the centre Directly proportional to its distance from the centre Directly proportional to its (distance)2 from the centre Inversely proportional to its (distance)2 from the centre Inversely proportional to its distance from the centre Directly proportional to its distance from the centre Directly proportional to its (distance)2 from the centre Inversely proportional to its (distance)2 from the centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in spark ignition engines can be reduced by None of these Increasing the engine speed Both (A) and (B) Retarding the spark None of these Increasing the engine speed Both (A) and (B) Retarding the spark ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The effective inhibitor of pre-ignition is Lead None of these Alcohol Water Lead None of these Alcohol Water ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines All heat engines utilize High heat value of oil Low heat value of oil Net calorific value of oil Calorific value of fuel High heat value of oil Low heat value of oil Net calorific value of oil Calorific value of fuel ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the inlet valve 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 May open or close anywhere Opens at 20° after top dead center and closes at 20° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP