Home

What is the correct answer?

4

The reference fuels for knock rating of spark ignition engines would include

A. Iso-octane and alpha-methyl naphthalene

B. Normal octane and aniline

C. Isooctane and normal hexane

D. Normal heptane and isooctane

Correct Answer :

D. Normal heptane and isooctane


Related Questions

In a four stroke cycle petrol engine, the inlet valve A diesel engine as compared to petrol engine (both running and rated load)… Supercharging is the process of supplying the intake air to the engine… The specific fuel consumption per B.P. hour for a diesel engine is about In a petrol engine, if diesel is used, then the engine will The specific fuel consumption per BHP hour for diesel engine is approximately Diesel engine can work on very lean air fuel ratio of the order of 30:… The air-fuel ratio of the petrol engine is controlled by The delay period in compression ignition engines depends upon The cetane (C16H34) which is a straight chain paraffin, is assigned a… Number of working strokes per min. for a four stroke cycle engine are… Supercharging is the process of A diesel engine has If the temperature of intake air in internal combustion engine increases,… Gaseous fuel guarantees are based on In the crankcase method of scavenging, the air pressure is produced by The increase of efficiency of a compression ignition engine, as the load… The volumetric efficiency of a well designed engine may be In order to mix air and petrol in the required proportion and to supply… The specific fuel consumption of a petrol engine compared to diesel engine… Scavenging air in diesel engine means The voltage required to produce a spark across the gap, between the sparking… Air fuel ratio for idling speed of a petrol engine is approximately Which of the following is not an interns combustion engine? Crankcase explosion in I.C. engines usually occurs as The two reference fuels used for cetane rating are A fuel of an octane number rating of 75 matches in knocking intensity… The colour of exhaust from diesel engine is generally Engine pistons are usually made of aluminium alloy because it A mixture containing 65% of iso-octane and 35% of normal heptane will…