10000
15000
5000
20000
✅ The correct answer is option A.
Chemical Engineering MCQs
The main reaction in reforming is the
dehydrogenation of naphthenes.
hydrogenation of naphthenes.
hydrocracking of paraffins.
saturation of olefins.
✅ The correct answer is option A.
Catalyst used in the catalytic cracking is
silica-alumina
silica gel
vanadium pentoxide
nickel
✅ The correct answer is option A.
Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about __________ kg/cm2 .
1.5
3
6
12
✅ The correct answer is option B.
The octane number of aviation gasoline may be
79
87
97
>100
✅ The correct answer is option D.
Sulphuric acid treatment of petroleum products removes the __________ materials.
gum forming
color forming
asphaltic
all (a), (b) & (c)
✅ The correct answer is option D.
With increase in C/H ratio of a fuel, the amount of CO₂ formed on its complete combustion
Increases
Decreases
Remains same
Either A or B, depends on other factors
✅ The correct answer is option A.
As time passes, the calorific value of stored coal
Decreases
Increases
Remains unaltered
May increase or decrease (depends on the method of storage)
✅ The correct answer is option A.
Which of the following coal gasification processes will produce gas having maximum methane content?
Winkler process
Lurgi process
Kopper-Totzek process
All of the above
✅ The correct answer is option B.
Which of the following has the highest calorific value?
Lignite
Sub-bituminous coal
Anthracite
Peat
✅ The correct answer is option C.