Petroleum Refinery Engineering

41. Catalyst used in catalytic reforming is

1. Platinum on alumina
2. Nickel
3. Iron
4. Aluminium chloride

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42. Catalyst used in isomerisation process is

1. H₂SO₄
2. H3PO4
3. HF
4. AlCl3

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43. Catalyst used in the catalytic cracking is

1. Silica-alumina
2. Silica gel
3. Vanadium pentoxide
4. Nickel

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44. Catalyst used in the catalytic polymerisation is

1. Phosphoric acid on kieselguhr
2. Aluminium chloride
3. Nickel
4. Vanadium pentoxide

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45. Catalyst used in the isomerisation is

1. Aluminium chloride
2. Alumina
3. Nickel
4. Phosphoric acid

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46. Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil

1. Gives higher yield of petrol
2. Lower octane number of petrol
3. Higher sulphur content in the product
4. Higher gum forming material in petrol

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47. Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses _________ as catalyst.

1. Bauxite
2. Fuller’s earth
3. Activated clay
4. All (A), (B) & (C)

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48. Cetane number of a diesel fuel is the measure of its

1. Ignition delay
2. Smoke point
3. Viscosity
4. Oxidation stability

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49. Cetane number of alpha methyl naphthalene is assumed to be

1. 0
2. 100
3. 50
4. ∞

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50. Cetane number of diesel used in trucks may be about

1. 50
2. 14
3. 35
4. 85

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