Fundamentals of Refining

Assignment A

1. What are special features of refinery industry in India?

2. How can Indian refineries meet the increasing demand for petroleum products?

3. Draw a schematic flow diagram of a typical crude oil distillation unit as used in petroleum crude oil refineries.

4. What is Crude Assay?

5. Describe the different characteristics of crudes dealt with in this unit, their significance and typical values/units of measurement.

6. How do you classify crudes based on proportion of type of hydrocarbon present in them?

7. What streams of Process Plants in a Refinery are utilised to produce HSD, MS, LPG and PC Naphtha?

8. Explain briefly in your own words:

?? The function of each process plant

?? Feed composition

?? Yield pattern.

?? Critical parameters for optimal operation.

Assignment B

CASE STUDY

 

 

1. Critically analyse the case.

Assignment C

Question No: 1
Hydrogen gas produced is purified by ……………method.

PSA
ASP
SAP
PAS

Question No: 2
If sulphur is …………..ppm, then single stage pre-treatment is adopted.

<100
<150
<200
<250

Question No: 3
Which of the following is not the feature of sulphur plant?

Maximum carbon recovery level of 98.7%
Turndown capability 25%
Ammonia destruction capability
Minimum sulphur recovery level of 98.7%

Question No: 4
Toluene column bottoms and ………….isomerates from Isomar section are fed to the xylene fractionation column.

C5
C6
C7
C8

Question No: 5
Crude oil is received in land locked refineries through crude pipelines from the …………….source.

Finance
Operation
Marketing
Production

Question No: 6
The circulating amine is ……………. MDEA solution.

32%
33%
34%
35%

Question No: 7
India imports almost …………..of its crude oil requirement.

70%
80%
90%
60%

Question No: 8
The products movement of the refinery gets adversely affected due to failure/breakdown of ……………system.

Transport
Airline
Production
Finance

Question No: 9
What is the full form of RFCC?

Residue Fluid Catalytic Cracking
Research Flow Cytometry Core
Redstone Flux Control Center
Regional Flood and Coastal Committee

Question No: 10
Super Oil Cracking (SOC) of heavy distillates to get ……………. conversion to distillates.

70%
80%
90%
100%

Question No: 11
……………..resin is transferred from reactor to product receiver using dense phase conveying system.

Polypropylene
Vent Recovery
Pelleting
copolymer

Question No: 12
In dispatch modes of petroleum products, maximum dispatch takes place through pipelines is …………

42%
40%
45%
43%

Question No: 13
Which of the following is not the component of Modelling and Simulation?

Compensation
Operator training
Reactor design
Trouble shooting

Question No: 14
Which of the following is not related to Small and medium refineries?

Microcrystalline wax production
Needle coke production
Anode grade coke
Lubes and fuel integration

Question No: 15
Which cost includes expenses such as travelling, printing, insurance and other related overhead expenditure?

General administrative
Repair
Operating
Establishment

Question No: 16
Which of the following is not the inclusive of the cost of crude oil?

Freight
Wharf age
Customs duty
Labour

Question No: 17
Which cost includes depreciation on plant and machinery?

General administrative
Repair
Operating
Establishment

Question No: 18
Feed is heated to ……………. in convection section of the furnace before it enters the bottom section of fractionator column.

150ºC
250ºC
350ºC
450ºC

Question No: 19
Fresh water is used in ………….plant before utilising in boilers for steam generation.

MD
LDO
DM
DLO

Question No: 20
Which gas is used for catalyst regeneration, blanketing tanks from atmospheric oxygen?

Sulphur
Hydrogen
Carbon
Nitrogen

Question No: 21
……………..is generated in Hydrogen plant or catalytic reformer unit.

Ethane
Sulphur
Hydrogen
Propene

Question No: 22
…………………for a refinery begins early in the development and design stage with the establishment of a set of energy saving guidelines applicable to the project.

Energy optimisation
Microcrystalline
Value addition strategies
Catalytic Reforming

Question No: 23
Which of the following is not the area in improvement of Refining?

Delayed coking
Distillation
Isomerisation
Petroleum

Question No: 24
Which cost is related to the manpower deployed?

Establishment
Repair
Administrative
Operating

Question No: 25
The ……………..is the difference between gross margin and operating cost.
 

Profitability
Operating cost
Gross margin
Net margin

Question No: 26
Which of the following is not related to hydrogen production plant?

Refinery fuel gas
Saturated Ethane
Light Naphtha
Natural gas

Question No: 27
………….is absorbed in ZnO bed.

CH4
CO2
H2O
H2S

Question No: 28
……………from LPG is removed by extraction with regenerated lean Amine in Amine Treating Unit.

H2O
H2S
NaOH
RSH

Question No: 29
Which of the following is not related to the Quality related units?

Tail gas treatment
Fuel oil HDS
Hydrotreatment
Facilities for benzene management

Question No: 30
Which of the following is not related to refinery of 21st century?

Computerised performance monitoring
Possible employment of robots
Increase of ‘S’ (sulphur) from MS, HSD and FO
Plant/equipment should require less space

Question No: 31
Which of the following is not related to environment management related units?

Co-production of value added fertilizer
High efficiency SRUs
Bottom of the barrel upgradation related unit
Computerised integrated refinery

Question No: 32
Average fuel loss in the refineries in India during 2000–01 was ……………which is higher compared to global levels.

6–35%
7–35%
7–33%
6–34%

Question No: 33
Which of the following function is not related to Value addition?

Better quality and increased lube oil production
Petrochemicals production
Speciality chemicals production
Production of better quality products

Question No: 34
Mobil Distillate Dewaxing (MDDW) to upgrade heavy fuel oil to high quality distillate and gas yield of ……………….

91–95%
92–95%
93–95%
94–95%

Question No: 35
Which of the following is not related to Real losses?

Automatic tank gauging
Automating road/rail dispatch facilities
Routing of offgases from vacuum column to furnaces
Minimising slop generation

Question No: 36
…………….. cost is incurred in various mechanical, electrical and civil jobs carried out for the maintenance of plant and machinery.

Administrative
Repair
Operating
Marketing

Question No: 37
……………..is used either directly in the refining process or to generate power and utilities to be used in the refining process.

Power
Fuel
Diesel
Petrol

Question No: 38
Ex-bonding of crude is related to which function of Oil Accounting System?

Despatch of Finished Petroleum Products
Accounting of Manufactured Petroleum products
Accounting of Crude Oil Receipts and Duty Implications
Compliance of Excise Procedure and Maintenance of Records

Question No: 39
What is the full form of DSA?

Daily Stock Account
Division Support Area
Database Security Analyst
Deploy, Secure and Analyse

Question No: 40
Indigenous crude oil is sourced from offshore oilfields of……………….

Bangladesh
Srilanka
India
Nepal

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