What is the correct answer?


The ignition quality of petrol is expressed by

A. Cetane number

B. Octane number

C. Calorific value

D. All of these

Correct Answer :

B. Octane number

Related Questions

The brake power (B.P.) of the engine is given by (where W = Brake load… Which of the following statement is correct regarding petrol engines? In a four stroke cycle diesel engine, the compression The working pressure and temperature inside the cylinder of an internal… Pour point of fuel oil is the In a four stroke cycle petrol engine, the inlet valve The function of a distributor in a coil ignition system of I.C. engines… Solid fuel fabricated into various small shapes, which are assembled to… If one cylinder of a diesel engine receives more fuel than the others,… A fuel of cetane number 40 has the same ignition quality as a mixture… The fuels in order of decreasing knock tendency for spark ignition engines… In a naturally aspirated diesel engine, the air is supplied by A diesel engine has Pre-ignition is caused by the spontaneous combustion of the mixture before… It the temperature of intake air in IC engines is lowered, then its efficiency… Air fuel ratio for idling speed of a petrol engine is approximately Which of the following does not relate to a spark ignition engine? The loud pulsating noise heard within the cylinder of an internal combustion… In a typical medium speed 4-stroke cycle diesel engine the inlet valve The specific fuel consumption per B.P. hour for a diesel engine is about Number of working strokes per min. for a two stroke cycle engine is _________… The scavenging efficiency of a four stroke cycle diesel engine is Which of the following fuel has little tendency towards detonation? The correct mixture strength (by weight) for petrol is about The air-fuel ratio of the petrol engine is controlled by The ratio of the indicated thermal efficiency to the air standard efficiency… During idling, a petrol engine requires _________ mixture. The injector nozzle of a compression ignition engine is required to inject… The specific fuel consumption per BH hour for a petrol engine is approximately Pick up the wrong statement