A. Increases
B. Decreases
C. Remain same
D. Either A. or B.
Related Mcqs:
- Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of ______________ kcal/kg?
A. 600-750
B. 250-350
C. 1000-1500
D. 2000-2500 - Increase in the specific gravity of petroleum products indicates________________?
A. Decrease in paraffin content
B. Increase in thermal energy per unit weight
C. Increase in aromatic content
D. Higher H/C ratio - Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about ________________ of that of water (i.e. 1 gm/c.c)?
A. One fourth
B. One third
C. Half
D. One eighth - Liquefied Petroleum Gas (LPG) is mainly a mixture of _____________________?
A. Propane & butane
B. Methane & ethane
C. High boiling olefins
D. High boiling naphthenes - Mercaptans are added to liquefied petroleum gas (LPG) to _____________________ ?
A. Reduce its cost
B. Narrow down its explosion limit
C. Assist in checking its leakage from cylinder
D. Increase its calorific value - Which one is used to determine the colour of petroleum products ?
A. Colour comparator
B. Saybolt chromometer
C. Cleveland apparatus
D. None of these - Sulphur content in lighter and heavier petroleum products is generally determined respectively by _______________?
A. Lamp method and bomb method
B. Bomb method and lamp method
C. Bomb method and quartz tube method
D. Quartz tube method and lamp method - Solvent used for dewaxing of petroleum products are____________________?
A. Furfural
B. Methyl ethyl ketone (MEK)
C. Propane
D. Both B. & C. - Which of the following petroleum products contain minimum sulphur ?
A. Naphtha
B. Kerosene
C. LSHS
D. Furnace oil - Which of the following is used as a solvent in deasphalting of petroleum products ?
A. Furfural
B. Propane
C. Methyl ethyl ketone
D. Liquid sulphur dioxide
