Category: Petroleum Refinery Engineering

A. Higher temperature is employed in visbreaking than in thermal cracking
B. Pyrolysis is a mild thermal cracking process
C. Lead susceptibility of petrol produced by catalytic process is more than that produced by
thermal cracking
D. Operating pressure and temperature in thermal cracking process is more than that in catalytic
cracking process

A. Smoke point
B. Octane number
C. Cetane number
D. Viscosity

A. Naphtha
B. Kerosene
C. LSHS
D. Furnace oil

A. Propane & phenol-cresol mixture
B. Methyl ethyl ketone & glycol
C. Phenol & furfural
D. Propane & liquid sulphur dioxide

A. Naphtha
B. Kerosene
C. Diesel
D. Lube oil

A. PCM
B. Tar
C. Light diesel oil
D. Low viscosity furnace oil

A. Pour point
B. Viscosity
C. Pressure drop on pumping
D. All A., B. and C.

A. Electric immersion
B. Pipestill
C. Steam coil
D. None of these

A. High pour point and low smoke point
B. Low viscosity index
C. High self-ignition temperature
D. All A., B. and C.

WA. Olefinic hydrocarbon
B. Naphtha
C. Fuel oil
D. Atmospheric residue