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WorksheetsQuiz for lecture 6
Total questions: 14
Worksheet time: 3mins
Anaerobic digestion is:
with O2
degrades waste into compost
degrades waste into biogas
Composting needs to go through hydrolysis, acidogenesis, acetogenesis and methanogenesis.
True
False
Our campus is treating food waste by
anaerobic digestion
landfill
composting
incineration
open dumping
What is the end use of compost?
Animal feed
Soil enhancer
Road amendment
What is the estimated efficiency of combined heat and power (CHP) for converting biogas to electricity?
20%
40%
60%
close to 90%
Which of the following is/are correct?
Composting has no heat supply requirement.
Anaerobic digestion has to operate at certain temperature.
Composting is longer than anaerobic digestion in degrading organic waste.
EMS is (check those apply)
the short form of European Union management system for management of the environmental impact of an organisation.
a set of management processes and procedures for analysis, control and reduction of environmental impact of an organisation.
includes standards like EMAS, ISO, BSI and SA.
The full name of ISO is
International Standard Operations
International Standardisation Organisations
International Solution Organisation
The full name of EMAS is
European Management Audit Scheme.
Environmental Management and Audit System.
European Union Eco-management and Audit Scheme.
Which of the followings are for the certification of organisation or processes?
FSC
ISO 14001
SA 8000
EMAS
German Blue Angel
The main difference of EMAS and ISO is:
EMAS focuses on reporting while ISO does not.
EMAS focuses on auditing while ISO does not.
Country regulations.
The typical certification procedure of environmental management system is
Goal formulation > Management > Plan implementation > Certification > Audit
Management system (including goal formulation, accounting, organisational management, plan implementation) > Reporting > Certification > Audit
Management system (including goal formulation, accounting, organisational management, plan implementation) > Audit > Certification
Depletion of resources, greenhouse effect, depletion of the ozone layer, human toxicity, terrestrial eco-toxicity, photochemical smog, acidification, eutrophication, land use are the environmental indicators for
ISO certification.
EMAS certification.
German Blue Angel certification.
Which of the followings are the benefits of EMAS or ISO certification:
Less carbon footprint.
Cost savings.
Less environmental impacts.
All of the above.
