Naphthenic acid is a/an ______________ compound?

Related Mcqs:

1. Naphthenic acid is represented by ___________________?

   A. CnH2n+2O2
   B. CnH2n-2O2
   C. CnH2n+2O2 (n ≥ 6)
   D. CnH2n+6O2 (n ≤ 6)

2. Which is an anticing compound ?

   A. Amyl nitrate
   B. Alcohols
   C. Mercaptans
   D. Pyridine

3. Quinoline is a/an ________________ compound ?

   A. Sulphur
   B. Nitrogen
   C. Oxygen
   D. None of these

4. Ethyl mercaptan is a/an ___________________ compound?

   A. Sulphur
   B. Nitrogen
   C. Oxygen
   D. None of these

5. Which of the following is not a sulphur compound present in petroleum ?

   A. Thiophenes
   B. Mercaptans
   C. Sulphones
   D. Pyrroles

6. Most commonly used crude heater before the fractionation tower in a refinery is the ______________ heater?

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

7. The most widely used crude topping column in refineries is the ______________ column?

   A. Bubble-cap
   B. Packed bed
   C. Fluidised bed
   D. Perforated plate

8. Thermofor catalytic cracking process is a ______________ process?

   A. Fixed bed
   B. Moving bed
   C. Fluidised bed
   D. Non-catalytic

9. Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about ______________ kg/cm2?

   A. 1.5
   B. 3
   C. 6
   D. 12

10. 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