Internal Combustion Engines
The two reference fuels used for cetane rating are

Cetane and iso-octane
Cetane and tetra ethyl lead
Cetane and normal heptane
Cetane and alpha-methyl naphthalene

ANSWER DOWNLOAD EXAMIANS APP

Internal Combustion Engines
The compensating jet in a carburettor supplies almost constant amount of petrol at all speeds because the

The diameter of the jet is constant and the discharge coefficient is invariant
Flow is produced due to the static head in the float chamber
Jet area is automatically varied depending on the suction
The flow from the main jet is diverted to the compensating jet with increase in speed

ANSWER DOWNLOAD EXAMIANS APP