Green Fuel Technologies Mid - I, September - 2014
1.The components of lignocellulosic biomass include
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benzene
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lignin
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carbohydrates
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glucose
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Answer: B
2.Choose the world’s leading form of renewable energy?
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Solar energy
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Geothermal energy
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Tidal energy
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Hydroelectricity
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Answer: D
3.The ________________ catalyst is dissolved into methanol by vigorous stirring in a small reactor for the preparation of biodiesel using a catalytic method.
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KOH
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NaOH
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Methanol
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Methyl Esters
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Answer: A
4.Raw starch yeast cells secreting α-amylase showed better performance in batch fermentations than the α- amylase-displaying yeast cells
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Raw starch yeast
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Cellulose
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Corn
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Starch
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Answer: A
5.Fermentation typically takes _____________ for completion and the resulting broth contains 6% to 8% ethanol
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20 hr – 30 hr
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1 hr – 2 hr
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5 hr – 6 hr
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48 hr – 80 hr
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Answer: D
6.The isopullulanases (IPU) hydrolyze α-(1, 4) glucosidic linkages of pullulan to produce
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Isopanose
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Isobutne
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Isopropane
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Isohexane
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Answer: A
7._______________ is much faster than transesterification
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Pyrolysis
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Hydrolysis
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Methanolysis
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Methyl esterification
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Answer: A
8._______________ involves rapid pyrolysis to produce liquid tars and oils and condensable organic vapors
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Solvolysis
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Hydrogenolysis
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Hydrogenetion
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Direct liquefaction
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Answer: D
9._______________ cells immobilized in biomass support particles were utilized as a biocatalyst for the methanolysis of soybean oil
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Rhizopus oryzae cells
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Cantarctia
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Thermonyces lanuginose
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R.Miehei
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Answer: A
10._______________ is an alkaline solution containing ethylene di amine and cadmium oxide
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Cadoxen
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CMCS
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NH3
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Ammonium sulfite
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Answer: A
11.____________________ improves the anti-knocking rating of gasoline when used as an additive.
Answer: Tetraethyl lead (TEL)
12.___________________ is the second most abundant polysaccharide in the biomass.
Answer: Xylan
13.Fermentation of sucrose is performed using commercial yeast such as ____________________.
Answer: Saccharomyces cerevisiae
14.Research and Development based on the concentrated sulfuric acid process studied by the____________________.
Answer: USDA
15.Producer gas is a mixture of ____________________, hydrogen, and methane.
Answer: Carbon monoxide
16.The production of diesel fuel from bio-syngas by ____________________.
Answer: Fisher-Tropsch synthesis (FTS)
17.____________________ is a promising method for the production of biodiesel from low-FFA vegetable oils
Answer: Alkaline – catalyst transesterfication
18.Bioethanol can be produced from a large variety of carbohydrates monosaccharides, disaccharides, and
____________________.
Answer: Polysaccharides
19.____________________ extract is a by-product of the manufacture of pressed wood.
Answer: Hemicellulose
20.One step supercritical methanol method is also called as ____________________.
Answer: Saka Process