A. Pyrolysis of oil
B. Sintering of porous catalyst
C. Hydrogen embrittlement
D. All A, B. and C.
Related Mcqs:
- Hydrogenation of oil takes place in a/an ____________________ reactor ?
A. Autothermal
B. Trickle bed
C. Plug flow
D. None of these - Hydrogenation of oil does not ___________________?
A. Remove double bonds
B. Raise its melting point
C. Improve its resistance to oxidation
D. None of these - Hydrogenation of oil/fat does not_________________?
A. Improve its resistance to rancid oxidation
B. Raise its melting point
C. Remove double bonds
D. None of these - Catalyst used in the hydrogenation of oil is_________________?
A. Nickel
B. Platinum
C. Iron
D. Alumina - Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its________________?
A. Poor oxidation stability and high gum forming tendency
B. Greater tendency of decomposition at elevated temperature
C. Hydrolysis tendency in presence of water
D. All A, B. and C - Hydrogenation of edible vegetable oils_________________?
A. Is an exothermic reaction
B. Increases their melting point
C. Is done in presence of nickel catalyst
D. All A , B. and C. - Hydrogenation of vegetable oils is a/an _______________ reaction ?
A. Endothermic
B. Autocatalytic
C. Exothermic
D. Homogenous - Air used in aerobic fermentation must be sterilized, otherwise the ___________________?
A. Recovery of product will be difficult
B. Contamination of pure culture would result
C. Uniformity of product cannot be achieved
D. None of these - Fermentator temperature during production of alcohol from molasses is around ______________ °C?
A. 5
B. 30
C. 130
D. 300 - How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln ?
A. 500°C
B. 750°C
C. 1000°C
D. 1500°C
