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 The inlet value of a four stroke cycle I.C engine remains open for nearly 200° 235° 180° 125° 200° 235° 180° 125° ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The reason for supercharging in any engine is to Increase power Effect fuel economy Reduce weight and bulk for a given output Increase efficiency Increase power Effect fuel economy Reduce weight and bulk for a given output Increase efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have Low density Low temperature Long ignition delay All of these Low density Low temperature Long ignition delay All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine depends on Fuel used Speed of engine None of these Compression ratio Fuel used Speed of engine None of these Compression ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Compression ratio of I.C. Engines is Ratio of pressure after compression and before compression Volume displaced by piston per stroke and clearance volume in cylinder The ratio of volumes of air in cylinder before compression stroke and after compression stroke Swept volume/cylinder volume Ratio of pressure after compression and before compression Volume displaced by piston per stroke and clearance volume in cylinder The ratio of volumes of air in cylinder before compression stroke and after compression stroke Swept volume/cylinder volume ANSWER DOWNLOAD EXAMIANS APP