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This document contains a collection of questions and short answers related to global warming, alternative energy, and greenhouse gases. The questions are presented in a format suitable for an exam or revision.

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Lo1 from Hamdan mid renew Question 6 (lo1) A. Define Global Warming ( Green House Effect". (2 Marks) B. List the four main Green House Gases (GHGs). (4 Marks) C. List 1 natural causes of global warming. (2 Marks) D. List 2 man-made causes of global warming. (4 Marks) A- The observed century-scale...

Lo1 from Hamdan mid renew Question 6 (lo1) A. Define Global Warming ( Green House Effect". (2 Marks) B. List the four main Green House Gases (GHGs). (4 Marks) C. List 1 natural causes of global warming. (2 Marks) D. List 2 man-made causes of global warming. (4 Marks) A- The observed century-scale rise in the average temperature of Earth's climate system B- Carbon dioxide (CO2) , Methane (CH4) , Nitrous oxide (N2O), Fluorinated gases C- Climate Change , Rotation of the earth , Volcanoes , Change in ocean currents ,Solar Cycles and sunspots D- Factories , Cars , Agriculture , Deforestation , Ozone depletion Q-7 ( lo1 ) According to Kyoto International Protocol; reduction in GHG emissions of 80% is targeted by 2020 @ 2050 2100 2005 Question 14 ( lo1) Secondary energy is @ is energy in the form in which it is channeled to users. is energy in its natural and technically unconverted form. is energy in its eventual form. None of the given answers is correct Lo1 from Hamdan final renew Question 1 ( lo1 ) Today, we witness an increasing utilization of alternative energy sources. The reason for this new trend could be:- @ Environmental damage caused by the use of fossil fuel sources. Limited supply of renewable sources. Low price of Oil and Gas None of the answers Question 2 ( lo1 ) Which of the following gases is considered a greenhouse gas? None of the answers. Nitrogen Oxygen @ Methane Question 4 ( lo1 ) Instructions: Complete the sentences by selecting your answer from the drop-down menu. The __Kyoto-Protocol__ to the United Nations Framework Convention on Climate Change sets binding obligations on industrialized countries to reduce emissions of ___ Greenhouse-Gases __ ___COP1___ was the 21st Conference of the Parties" - an annual UN conference on the subject of the climate and climate change. Among the recommendations for further ettective climate protection is to reduce the emission of greenhouse gases to ______half___ by the year 2050 Greenhouse-Gases Kyoto-Protocol Increase half developed countries industrialized-countries 5.2% COP1 Climate-protection UNFCCC Lo1 from 2-EGN 4913_Makeup Exam_KEY Summer 201830 Q1. During the past 100 years, the average temperature on earth has increased by: @ A. Approximately 0.70C B. Approximately 70C C. Approximately 170C D. Approximately 270C Q2. There are mainly three ways to achieve energy conservation. They are: @ A. Energy conservation, efficiency improvement and introducing renewable energy B. Mechanical energy , electrical energy and chemical energy C. Primary energy, secondary energy and useful energy D. None of the above Q3. Man made cause for the Global Warming is: A. volcanoes @ B. agriculture C. ocean currents D. forest growth Q4. Select best two reasons why world is looking for alternative energy sources. Note that if you select more than two answers or wrong answers negative marks will apply. @ A. Carbon based fuels contribute to Global Warming B. Problems with energy mixing @ C. Limited supply of energy resources D. Serious technical problems in power plants Q5. Which of the following is not a greenhouse gas (GHG)? A. CO2 @ C. O2 B.H2O D.CH4 Q6. Biomass power is ___________________________ and electricity can be generated from renewable organic waste. @ A. carbon neutral B. oxygen neutral C. nitrogen neutral D. None of the given answers Q7. For the questions given in List A, fill in YOUR Answer Column from List B. You can use each term once only. List A – Questions/statements Your Answer List B - Answers What is the best renewable energy based technology Solar thermal power Primary energy appropriate for the UAE? Energy in the form in which it Primary energy Wind power generation is naturally available Technological measures would Energy efficiency Hydro power find the way to improve in energy conservation High potential energy will be Hydro power Energy efficiency used in this energy technology. Solar thermal power Geothermal Battery storage Lo1 from 3-Final Exam Q1. Why are scientists and engineers looking for alternative energy resources? a. Greenhouse gas emissions caused by nuclear plants b. Unavailability of technology for non-renewable energy c. Decreasing of world population @ d. None of the given answers Q2. Greenhouse gases can cause global warming. What is/are the greenhouse gas(es) from the following list? a. Carbon Dioxide b. Carbon Monoxide c. Water vapor d. Answers (a.) and (b.) @ e. Answers (a.) and (c.) Q3. (CLO 1) Biomass power is and electricity can be generated from renewable organic waste. @ carbon neutral oxygen neutral nitrogen neutral None of the given answers Q4. List three types of renewable energy systems that can be used in the UAE. You are required to list them in order of importance, considering various factors. Answer: Possible three answers can come from the followings Solar thermal power plants Solar PV plants Wind power generators Geothermal power plants Lo1 from 4-mock Q1. Which of the following gasses is the main cause of acid rain? @ a. Sulphur dioxide b. Nitrogen c. Oxygen d. Argon Q2. Which of the following is NOT true about renewable energy? a. Inexhaustible at a human scale. b. Clean and will not damage the earth. c. Cannot be used in a small scale. @ d. Can provide sustainable energy. Q3. The one thing that is common to all fossil fuels is that they a. were originally formed in marine environment. b. contain carbon. @ c. have undergone the same set of geological processes during their formation. d. represent the remains of once living organisms. Q4. Which of the following power systems is a form of renewable energy? a. Photovoltaic power system b. Ocean thermal power system @ c. Wind energy system d. All of the above answers. Q5. One of the reasons why the world is looking for alternative energy sources is @ a. Emissions caused by fossil fuel power plants. b. Unavailability of technology for non-renewable energy. c. Population decrease over the years. d. Abundance and availability of fossil fuels. Q6. The following type of energy is stored as sensible and latent heat a. Chemical energy @ b. Thermal energy c. Electrical energy d. Mechanical energy Q7. Fill in YOUR Answer Column from List B. You may use each term once only. List A – Questions/statements Your Answer List B - Answers An energy system that is regenerative as a human scale. Renewable resource Coal An energy system that is Nuclear energy Solar energy depleting, but it remains a clean source of energy. An energy system that is Coal Carbon Dioxide depleting, dirty, and cannot recreate itself in a short period. An energy system that is, as of Solar energy Fission process today, non-reliable and intermittent Global Warming Nuclear energy Renewable resource Lo1 from 5-Renewable energy final V2_20190503170550 Select best two reasons why world is looking for alternative energy sources. If you select more than two answers, negative marks will apply. @ Carbon based fuels contribute to Global Warming Problems with energy mixing @ Limited supply of energy resources Serious technical problems in power plants Which of the following is not a greenhouse gas (GHG) CO2 H2O @ O2 CH4 To extract renewable energy from different resources, electrical generators are employed. Electrical generators converts energy from.......... Electrical energy to mechanical energy @ Mechanical energy to electrical energy Chemical energy to mechanical energy Chemical energy to electrical energy Thermal energy to Chemical energy Thermal energy to electrical energy Biomass power is _______ and electricity can be generated from renewable organic waste. @ Carbon neutral Oxygen neutral Nitrogen neutral None of the given answers Answer the following questions as applied to UAE. Select the best two answers for each question. Match Question Items A. - A. What are the best renewable energy technologies for UAE? B. - B. These renewable sources are available. However, they are not available in every part of the UAE. C - C. What are the renewable sources that are available, but not enough or not enough potential energy for installing large power plants at the moment? D. - D. These non-renewable resources are available in the UAE for large scale power generation A. Solar thermal and solar Photovoltaic B. Wind and geothermal C. Biomass and tidal D. Oil and Natural gas E. Solar and Hydro F. Oil and Nuclear Lo1 from 6-Renewable-Mock-1 1) From the following , which is not factor to move from fossil fuel to renewable energy? Fossil fuels consumption is not increasing. 2) Which of the following gases is NOT a green house? Hydrogen. 3) Geothermal is the heat from : The Earth. 4) List the renewable energy extraction system the can be implemented in the UAE: Choose Two: Solar PV system Wind power generation Lo1 from 1-ren quize 3 Which sector consumes the most energy worldwide? @ Industrial Question 4 More than 90% of the original energy content is lost during the conversion of primary energy to usable energy @ True Question 5 Light energy is considered Primary energy @ Useful energy Secondary energy Wasted energy 6 Which of the following is NOT a natural cause of global warming? Change in ocean currents @ Agriculture Question 7 "New” renewables are called new because they are they are not yet used on a wide scale. © True 1 Match the following Greenhouse Gases with their percentage contribution to the greenhouse effect on Earth from the pull-down list Water vapor = 36-70% Carbon dioxide = 9-26% Methane = 4-9% Ozone = 3-7% 2 Which of the following are man-made causes of Global Warming? Climate Change @ Deforestation Question 3 Greenhouse gases makeup 1% of the earth's atmosphere. The other 99% consists mainly of: @ Nitrogen Question 4 When was Kyoto protocol introduced? @ 1997 2005 Question 5 Based on class discussions, between 1960 and 2000 the world population doubled, and energy requirements Remained unchanged @Tripled Question 6 If the Earth's greenhouse gases increased in concentration, the surface temperature would be expected to decrease. @ False 7 The 21st Conference of the Parties (COP21) aimed to achieve a legally binding and universal agreement on the climate in order to keep global warming below 2°C @ True 8 Based on decisions made in 1990, a minimum goal for industrialized countries for the year 2050 was set to reduce GHG emission by 90% @ False 9 Based on decisions made in 1990, a minimum goal for industrialized countries for the year 2020 was set to reduce GHG emission by 40 to 50% @ True 1 Arrange the following Greenhouse Gases by their percentage contribution to the greenhouse effect on Earth in descending order. 1. Water vapor 2. Carbon dioxide 3. Methane 4. Ozone 2 Excess atmospheric carbon dioxide increases greenhouse effect as carbon dioxide: widens the hole in the ozone layer. reduces atmospheric pressure and thereby increases temperature @ absorbs and re-emits infrared (long wave length) rays. reduces atmospheric pressure and thereby increases temperature. absorbs and re-emits short wave length rays. precipitates dust in the atmosphere 3 Based on class discussions, energy in its eventual form, such as light for illumination, warmth for heating and power for machinery and vehicles is called Solar energy Primary energy @ Useful energy The Kyoto Protocol sought to achieve a legally binding and universal agreement on the climate in order to keep global warming below 2°C True @ False The 21st Conference of the Parties (COP21) aimed to achieve a legally binding and universal agreement on the climate in order to keep global warming below 2°C. @ True 8 Based on decisions made in 1990, a minimum goal for industrialized countries for the year 2020 was set to reduce HG emission by 40 to 50% @ True 9 Based on class discussions, global energy demand is projected to increase by one-third from 2010 to 2035. @ True Question 4 The agreement developed at the United Nations Framework Convention on Climate Change (UNFCCC), and which sets binding obligations on industrialized countres to reduce emissions of greenhouse gases, is called IRENA (International Renewable Energy Agency) @ Kyoto Protocol Question 5 Based on class discussions, between 1960 and 2000 the world population doubled, and energy requirements Decreased @ Tripled Question 4 Energy can be classified as primary, secondary, useful and wasted energy True @ False Question 5 Efficiency refers to technological measures that improve the efficiency of conversion @ True Global warming happens because the atmosphere is trapping more of the sun's radiation @ True Question 3 One definition of energy is the ability to produce work @ True Question 4 Combustion of Fossil Fuels causes @ Acid rain Question 5 During the past 100 years, Earth's average temperature has risen by 1.5 2.0 0.5 @ 0.7 Question 6 New renewables are called new because they have been discovered recently. Selected Answer: True @ False Question 7 More than 90% of the solar original energy content is lost during conversion of secondary energy to useful energy. True @ False Question 3 Energy conservation refers to lifestyle actions that reduce energy use. @ True Question 4 More than 90% of the solar original energy content is lost during conversion of primary energy to secondary energy. True @ False 4 "The energy that comes from resources which are naturally replenished on a human timescale". This is a definition of @ Renewable energy Question 6 Based on decisions made in 1990, a minimum goal for industrialized countries for the year 2050 was set to reduce HG emission by 90% True @ False Question 9 The Kyoto Protocol sought to see participants collectively reduce greenhouse gas emissions by 5.2% below the emission levels of 1990 by 2012 False @ True Question 1 Match each of the following energy resources in the UAE to the proper category: renewable or non- renewable with availability Oil C. Non-renewable (Abundant) Gas D. Non-renewable (Abundant) Solar A. Renewable (Abundant) Ocean E. Renewable (Abundant) Wind B. Renewable (Some areas) Geothermal F. Renewable (Some parts) Question 2 By 2050, the energy demand is expected to increase by 50% compared to today's consumption. @ True

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