Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisatio

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Question
Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO₂ extraction (Edeleanu process), its smoke point may become __________ mm.
Options
A. 5
B. 10
C. 25
D. 100

Correct Answer

More questions

1. Carbon/hydrogen ratio (by weight) is maximum (out of following) for
Options
A. gasoline
B. kerosene
C. light gas oil
D. heavy fuel oil

Discuss

Correct Answer: gasoline

2. Salt content in sea water is about __________ percent.
Options
A. 0.5
B. 1
C. 3.5
D. 10

Discuss

Correct Answer: 3.5

3. Refractoriness/fusion points of 'superduty' refractories is __________ �C.
Options
A. 1520-1630
B. 1630-1670
C. > 1730
D. > 2000

Discuss

Correct Answer: > 1730

4. Laminar flow of a Newtonion fluid ceases to exist, when the Reynolds number exceeds
Options
A. 4000
B. 2100
C. 1500
D. 3000

Discuss

Correct Answer: 2100

5. Plastic tubes & pipes are generally made by __________ moulding.
Options
A. injection
B. transfer
C. extrusion
D. compression

Discuss

Correct Answer: extrusion

6. pH value of soil is maintained at __________ by the addition of fertiliser for optimum growth and health of the plant.
Options
A. 4-5
B. 7-8
C. 9-10
D. 12-13

Discuss

Correct Answer: 7-8

7. Sphericity of pulverised coal is
Options
A. 1
B. <1
C. >1
D. ?

Discuss

Correct Answer: <1

8. Coolant used in a boiling water reactor is
Options
A. hydrogen gas
B. water
C. steam
D. a mixture of water & steam

Discuss

Correct Answer: a mixture of water & steam

9. Gasoline yield in catalytic reforming of naphtha may be about __________ percent by weight.
Options
A. 85
B. 65
C. 50
D. 98

Discuss

Correct Answer: 85

10. Reciprocal of sphericity is termed as the
Options
A. specific surface ratio
B. shape factor
C. sauter diameter
D. surface area per unit mass

Discuss

Correct Answer: shape factor

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Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO2 extraction (Edeleanu process), its smoke point may become __________ mm.

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Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO₂ extraction (Edeleanu process), its smoke point may become __________ mm.