A. Propane & butane
B. Methane & ethane
C. High boiling olefins
D. High boiling naphthenes
Related Mcqs:
- 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) used for the household cooking comprises mainly of _______________?
A. Propane & butane
B. Butane & ethane
C. Methane & ethane
D. Methane & carbon monoxide - 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 - 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 - Petroleum coke is used mainly in the __________________ ?
A. Discoloration of yellow glycerine
B. Sugar refining
C. Manufacture of carbon electrode
D. Blast furnace for reduction of iron ore - With increase in density, the viscosity of petroleum products _____________________?
A. Increases
B. Decreases
C. Remain same
D. Either A. or B. - LPG when brought to atmospheric pressure & temperature will be a________________?
A. Liquid lighter than water
B. Liquid heavier than water
C. Gas lighter than air
D. Gas heavier than air - Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about ________________ ppm?
A. 1
B. 50
C. 5000
D. 10000 - The yield of straight run LPG from crude oil is about ______________ weight percent?
A. 20-25
B. 1-1.5
C. 10-15
D. 0.1-0.2 - 95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C?
A. 2
B. -40
C. 30
D. 55
