Amyl nitrate
Alcohals
Mercaptans
Pyridine
✅ The correct answer is option B.
Chemical Engineering MCQs
Stabilisation of gasoline (petrol) means
removal of dissolved gases from it.
increasing its oxidation stability.
improving its lead susceptibility.
increasing its vapour pressure.
✅ The correct answer is option A.
Carbon/hydrogen ratio (by weight) is maximum (out of following) for
gasoline
kerosene
light gas oil
heavy fuel oil
✅ The correct answer is option A.
For gasoline, the flash point (<50°C) is determined by the
Abel apparatus.
Pensky-Marten’s apparatus.
Saybolt chromometer.
none of these.
✅ The correct answer is option A.
Spalling tendency of refractories is reduced by increasing its
porosity
specific gravity
thermal conductivity
strength
✅ The correct answer is option A.
__________ base crude oil is also called asphaltic crude.
Paraffinic
Naphthenic
Mixed
Aromatic
✅ The correct answer is option B.
Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of
propane & butane
butane & ethane
methane & ethane
methane & carbon monoxide
✅ The correct answer is option A.
In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen
enhances the desulphurisation process.
minimises coke formation.
both (a) and (b).
neither (a) nor (b).
✅ The correct answer is option C.
Crude oil produced by Indian oil fields are predominantly __________ in nature.
paraffinic
naphthenic
asphaltic
mixed base
✅ The correct answer is option C.
Soft coke is not
Produced by low temperature carbonisation of coal
A domestic fuel
Used in blast furnaces
None of these
✅ The correct answer is option C.