A. Obviate catalyst poisoning
B. Maintain the reaction temperature
C. Sustain the reactor pressure
D. Hydrogenate the feed stock
Related Mcqs:
- The order of preference for feedstock to a catalytic reformer is _________________ ?
A. Catalytic naphtha – coking naphtha – virgin naphtha
B. Coking naphtha – virgin naphtha – catalytic naphtha
C. Virgin naphtha – catalytic naphtha – coking naphtha
D. Virgin naphtha – coking naphtha – catalytic naphtha - Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher ______________ compared to the dry natural gas?
A. Unsaturated hydrocarbon content
B. Calorific value
C. Quantity of propane
D. Quantity of butane - The main aim of cracking is to produce ____________________?
A. Gasoline
B. Lube oil
C. Petrolatum
D. Coke - The main use of heavy gas oil produced by the vacuum distillation unit is as a_____________________?
A. Blending component for kerosene
B. Blending component for petrol
C. Feedstock for fluid catalytic cracking unit
D. None of these - Main constituent of natural gas is___________________?
A. CH4
B. C2H2
C. C2H4
D. C2H6 - Which of the following has maximum hydrogen/carbon ratio (by weight) ?
A. Naphtha
B. Gasoline
C. Diesel
D. Fuel oil - Hydrogen percentage (by weight) in crude petroleum may be about __________________?
A. 5
B. 15
C. 25
D. 35 - Which of the following processes consumes hydrogen ?
A. Fluid catalytic cracking
B. Visbreaking
C. Propane deasphalting
D. None of these - Carbon/hydrogen ratio (by weight) is maximum (out of following) for_________________?
A. Gasoline
B. Kerosene
C. Light gas oil
D. Heavy fuel oil - Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of ______________ kcal/kg?
A. 600-750
B. 250-350
C. 1000-1500
D. 2000-2500
