Conservation And Management Of Energy Resources
Bayani Gaba-gaba
The cleanest unit of energy is the one you never use. As the world's demand for power climbs and fossil reserves shrink, simply building more power stations is not enough. We also have to use energy far more carefully and find new, cleaner ways to produce it. From insulating a roof to switching to an electric car, from energy-efficient fridges to brand-new hydrogen fuels, the choices we make now decide how long our resources will last.
In this lesson you will learn the main strategies for conserving and managing energy: reducing consumption, insulation, efficient devices, education, transport policy and battery storage. You will also study the newest energy technologies, blue and green hydrogen and ground and air source heat pumps, and weigh the benefits and limitations of each approach, using the Passivhaus low-energy building standard as a real example.
Manufura
- 1.5.1 Describe strategies for the management of energy resources, limited to: (a) reducing consumption (b) insulation (c) energy-efficient devices including vehicles and electrically propelled vehicles (d) exploiting existing energy resources (e) education on energy conservation (f) transport policies (g) battery storage (h) development of new energy resources.
- 1.5.2 Describe the development of new energy resources, limited to: (a) blue hydrogen fuel: produced from natural gas (b) green hydrogen fuel: produced using renewable resources (c) ground source heat pumps: transfer of heat from the ground for heating (d) air source heat pumps: transfer of heat from the air for heating.
- 1.5.3 Discuss the benefits and limitations of strategies for the management of energy resources.
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Nazarin Darasi
Barka da kammala darasi akan Conservation And Management Of Energy Resources. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.
Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.
Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.
- Where is the most heat usually lost from a building? A. The floor B. The roof C. The doors D. The chimney Answer: B
- Green hydrogen is produced by: A. Burning coal B. Splitting water using renewable energy C. Refining natural gas D. Fermenting sugar cane Answer: B
- A ground source heat pump provides heating by: A. Burning gas underground B. Transferring heat from the ground into a building C. Generating electricity from hot rocks D. Storing electricity in batteries Answer: B
- Which strategy makes variable renewable electricity more reliable? A. Cavity wall insulation B. Battery storage C. Double glazing D. Education campaigns Answer: B
- Which of these is a limitation of blue hydrogen? A. It produces no usable energy B. It is made from natural gas, a fossil fuel C. It cannot be transported D. It can only be used in vehicles Answer: B
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