Related Questions

In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process.
A 100
B 200-300
C 1000-10000
D 10
Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil
A Gives higher yield of petrol
B Lower octane number of petrol
C Higher sulphur content in the product
D Higher gum forming material in petrol
The catalytic cracking of heavier petroleum fraction is done to produce mainly
A Gasoline
B Asphalt
C Diesel oil
D Tar
Which of the following is used as a catalyst in fluidised bed catalytic cracking?
A Silica-magnesia
B Silica-alumina
C Bentonite clays
D All of the above
Catalyst used in the catalytic cracking is
A Silica-alumina
B Silica gel
C Vanadium pentoxide
D Nickel
Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the
A Activation energy
B Equilibrium constant
C Heat of reaction
D None of these
Which of the following are products and services bought by final consumers for personal consumption? These include convenience products, shopping products, specialty products, and unsought products.
A Material and parts
B Consumer products
C Industrial products
D Capital items
In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen
A Enhances the desulphurisation process
B Minimises coke formation
C Both A & B
D Neither A nor B
Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than
A 5
B 10
C 20
D 35
Octane number of gasoline produced by two stage fluidised catalytic cracking process is
A 80
B 87
C 92
D 97

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