Which one is preferred for aircraft engine ?

Related Mcqs:

1. Testing of the knocking characteristics of petrofuels is done in a _________________ engine ?

   A. Carnot
   B. CFR (Co-operative fuel research)
   C. Stirling
   D. Diesel

2. Pick out the wrong statement ?

   A. A pale color of petroleum product indicates lower viscosity
   B. Color of petroleum products indicates the degree of refinement
   C. Lighter petroleum distillates are lighter in color than the heavier residual oils
   D. Fluorescence of oils helps to detect its adulteration

3. Which is almost absent in crude petroleum ?

   A. Olefins
   B. Mercaptans
   C. Naphthenes
   D. Cycloparaffins

4. Crude oil is transported inland from oil field to refineries, mainly by the _____________________?

   A. Road tankers
   B. Rail tankers
   C. Underground pipelines
   D. None of these

5. A multigrade lubricating oil means an oil having high __________________?

   A. Viscosity index
   B. Viscosity
   C. Aniline point
   D. Flash point

6. Solvent used for dewaxing of petroleum products are____________________?

   A. Furfural
   B. Methyl ethyl ketone (MEK)
   C. Propane
   D. Both B. & C.

7. The average boiling point of aviation turbine fuel is closest to that of__________________?

   A. Lubricating oils
   B. LPG
   C. Diesel
   D. Kerosene

8. Catalyst used in catalytic reforming is__________________?

   A. Platinum on alumina
   B. Nickel
   C. Iron
   D. Aluminium chloride

9. 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

10. In catalytic cracking process, olefins crack ______________ times faster than in thermal cracking process?

    A. 100
    B. 200-300
    C. 1000-10000
    D. 10