Petroleum Refinery Engineering MCQs

Question 1

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

Accepted Answer

6

Answer

2

Answer

12

Answer

18

Question 2

Breathing loss on storage of gasoline occurs due to the

Accepted Answer

Fluctuation of ambient temperature during day and night

Answer

Presence of unsaturated air

Answer

Both A & B

Answer

Neither A nor B

Question 3

LPG stands for

Accepted Answer

Liquefied petroleum gas

Answer

Liquid petroleum gas

Answer

Liquified petrol gas

Answer

Liquid petrol gas

Question 4

Pick out the wrong statement.

Accepted Answer

Catalytic cracking is endothermic, but the regeneration of catalyst is exothermic

Answer

Iso-paraffin crack faster than n-paraf-fin

Answer

Rate of decomposition of olefins in catalytic cracking is slightly slower than the thermal cracking

Answer

None of these

Question 5

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

Accepted Answer

8

Answer

18

Answer

28

Answer

35

Question 6

Petrolatum is

Accepted Answer

A mixture of microcrystalline wax in viscous hydrocarbon liquids

Answer

Same as petroleum ether

Answer

Petroleum coke

Answer

None of these

Question 7

Octane number of gasoline produced by two stage fluidised catalytic cracking process is

Accepted Answer

97

Answer

80

Answer

87

Answer

92