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Renewable Energy
Biomass Energy Control Objective
Quiz 1
Solution
Q.1.
What are the two main products of anaerobic digestion?
a) Biogas and bio-fertilizer
b) Waste water
c) Producer gas
d) Syngas
Q.2.
Which of the following organic compounds are present in biogas?
a) Butane gas and carbon dioxide
b) Methane gas and carbon dioxide
c) Nitrogen
d) Sodium
Q.3.
Which of the following are considered as contaminant gases in biogas?
a) Chlorine
b) Fluorine
c) Nitrogen, hydrogen and carbon monoxide
d) Methane gas and carbon dioxide
Q.4.
Which of the following products of anaerobic digestion consists of organic humus and nutrients?
a) Biogas
b) Chlorine
c) Top soil
d) Bio-fertilizer
Q.5.
Which of the following are used to store manure?
a) Silos and cellars
b) Plastic bottles
c) Glass bottles
d) Tin cans
Q.6.
What are the three methods of pre-treatment of influent for anaerobic digestion?
a) Galvanization, pyrolysis and pre-heating
b) Mechanical treatment, pre-heating and thermal treatment
c) Galvanization, pyrolysis and thermal treatment
d) Pyrolysis, thermal treatment and pre-heating
Q.7.
Thermo-chemical processes have higher efficiencies than bio-chemical processes.
a) True
b) False
Q.8.
Which of the following is best suited to decompose lignin?
a) Anerobic digestion
b) Fermentation
c) Thermo-chemical conversion techniques
d) Bio-chemical conversion techniques
Q.9.
Which of the following are types of pyrolysis?
a) Flash and ablative
b) Intermediate and anaerobic digestion
c) Anaerobic digestion and fermentation
d) Fermentation and intermediate
Q.10.
Bio-oil has double the heating value of conventional fuel oil.
a) True
b) False
Q.11.
What are the three types of hydrothermal processing of biomass?
a) Hydrothermal liquefaction, hydrothermal gasification and ablate pyrolysis
b) Hydrothermal liquefaction, hydrothermal gasification and fast pyrolysis
c) Hydrothermal liquefaction, hydrothermal gasification and hydrothermal carbonisation
d) Intermediate pyrolysis, hydrothermal gasification and ablate pyrolysis
Q.12.
Which of the following is the mildest hydrothermal process?
a) Hydrothermal gasification
b) Hydrothermal liquefaction
c) Ablate
d) Hydrothermal carbonisation
Q.13.
Which of the following hydrothermal processes produces syngas?
a) Hydrothermal gasification
b) Hydrothermal liquefaction
c) Fermentation
d) Hydrothermal carbonisation
Q.14.
Hydrothermal liquefaction produces _________
a) syngas
b) bio-crude
c) bio-oil
d) producer gas
Q.15.
Which of the following produces a solid hydro-char?
a) Catalytic liquefaction
b) Carbonisation
c) Hydrothermal gasification
d) Hydrothermal carbonisation
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