Water content in the crude oil as it comes out of oil well may be upto __________ percent.

Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel).

A

0.03

B

3

C

35

D

70

__________ base crude oil is also called asphaltic crude.

A

Paraffinic

B

Naphthenic

C

Mixed

D

Aromatic

Paraffin base crude oil as compared to asphalt base crude gives

A

Higher yield of straight run gasoline

B

Higher octane number gasoline

C

Lower viscosity index lube oil

D

Poorer yield of lube oil

Sour crude means the __________ bearing crude.

A

Asphalt

B

Sulphur compounds

C

Wax

D

Nitrogen compounds

Crude oils containing more than __________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a 'salty crude'.

A

1

B

5

C

15

D

25

A typical yield of diesel in straight run distillation of crude oil may be about __________ percent.

A

8

B

18

C

28

D

35

A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent.

A

4

B

10

C

18

D

26

Naphtha yield in straight run distillation of crude oil may be about __________ percent.

A

2

B

6

C

12

D

18

Which of the following is used for pumping crude oil from oil well?

A

Single stage centrifugal pump

B

Gear pump

C

Screw pump

D

Duplex/triplex reciprocating pump

The import of crude oil and petroleum done from national oil companies of producer countries, which have a net exportable surplus of oil is by

A

term contracts

B

term tenders

C

monthly tenders

D

All the above

Water content in the crude oil as it comes out of oil well may be upto __________ percent.

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