Internal Combustion Engines In a four stroke cycle petrol engine, the expansion Starts at top dead center and ends at bottom dead center Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at 30° after top dead center and ends at 50° after bottom dead center May start and end anywhere Starts at top dead center and ends at bottom dead center Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at 30° after top dead center and ends at 50° after bottom dead center May start and end anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines During idling, a petrol engine requires _________ mixture. Rich Lean None of these Chemically correct Rich Lean None of these Chemically correct ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The loud pulsating noise heard within the cylinder of an internal combustion engine is known as Detonation Turbulence Supercharging Pre-ignition Detonation Turbulence Supercharging Pre-ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition quality of diesel oil is expressed by Calorific value Octane number Cetane number None of the listed here Calorific value Octane number Cetane number None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The accumulation of carbon in a cylinder results in increase of Clearance volume Effective compression ratio Ignition time Volumetric efficiency Clearance volume Effective compression ratio Ignition time Volumetric efficiency 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