State any two advantages of a tidal power plant for energy production. The total power consumption by all humans on earth is approximately 1013 \ W. Let's compare this to the power of incoming solar radiation. Energy can be confusing, but with the right resources, we can all make better choices when it comes to our power. It has no atmosphere, a mean radius of 11 km, an albedo of 0.07, and an emissivity of 1.0. For example, wind energy is easy to access through Arcadia in as little as two minutes by simply connecting your utility account. (b) Cows. Utilities are putting a new focus on increasing the amount of renewable energy generation sources in their portfolio, both to provide the best service to their customers and to comply with regulations on the state and federal level. The typical number of photovoltaic cells on a solar panel. It is estimated that wind turbines generate between 0.02-0.04lbs of carbon dioxide equivalent per kWh during their life-cycle, whereas coal-generated electricity produces 1.4-3.6lbs. (c) Potentia... We can assume that goods and services now classified as "renewable resources" will STAY renewable, regardless of human activity. If potassium metal is illuminated with light of wavelength 300nm. “. If the speed of the blimp in still air is 10 m / s , and if a 1 / 10 t h scale model is... Where is wind energy found in the United States? The current in a coil changes from 3.4 A to 1.8 A in 0.48 s. If the average emf induced in the coil is 13 mV, what is the self-inductance of the coil? Are they a threat to utilities by diminishing their significance? State any two factors that are considered when selecting a site for a windmill. Which two renewable energy sources depend on the weather? (A) Water flows over a waterfall of 10 m to a turbine. Suppose that the concentration of infrared-absorbing gases in the earth's atmosphere were to double, effectively creating a second "blanket" to warm the surface. 1. A hot oven warming the air around it. one is specifically about the behavior questions, one is specifically about technical stuff, the other one is 50/50. At a certain location, the solar power per unit area reaching the Earth's surface is 180 W/m2 averaged over a 24-hour day. Most solar cell companies claim lifetimes of 30 years. b. The questions are designed to reinforce your understanding through frequent and cumulative revision and to assist with independent self-study. 65. State the aims that should be achieved in order for solar energy to be economically feasible. It is therefore not on the solar cells. What sort of systems can be used to collect solar thermal energy? Which of the following is true about renewable resources? Top of page. The programme is offered by five European universities … The hot water temperature required is 90 C, while the annual average temperature of cold water is... What is the temperature of a sample of gas when the average translational kinetic energy of a molecule in the sample is 8.59 x 10-21 J? What is the power emitted by the sun in the spectrum of frequencies? This is the talk page for discussing improvements to the Renewable energy article. Renewable energy test questions - Other. Did it actually benefit many people or was it just a tota... Wildlife and land will be affected, but they are working towards minimizing these disturbances and the pros of clean renewable energy outweigh the loss in the long run. Gravity. Light of wavelength 464 nm falls on a metal which has a work function of 2.28 eV. I'm supposed to design a PV system that could provide an average electric power of 10 kW. Select one: \\ a. Check out our other quizzes: Protect Our Species Quiz Oceans and Plastic Pollution Quiz Climate change Quiz Environmental literacy Quiz deforestation and biodiversity Quiz. If a particular metal surface is hit by a photon of energy 4.8 eV, an electron is ejected, and the kinetic energy of the electron is 0.7 eV. Who wrote The Boy Who Harnessed the Wind? What is the work done(J) by the car's brakes ? Students also acquire skills in business and innovation management. (1) Find the maximum kinetic energy of the photoelectrons. The surface temperature of the photosphere of the Sun is approximately 5,000 K. Yet the maximum temperature achieved by a flat solar thermal collector is only about 400 K. Why? During what season will more insolation be delivered to a horizontal skylight on the roof of t... Name any three factors that affect the generation or biodigestion of biogas in a biogas digester. What is the work function W (binding energy) of this met... A particular metal is illuminated by UV photons of wavelength 210 nm, and electrons up to 1.25 eV are emitted from the surface. Test. Fill in the blank: If the sun's radiation was to increase by 10%, Energy leaving the top of the atmosphere (to space) would _____. Which energy sources show the most potential for replacing non-renewable fossil fuels? Access the answers to hundreds of Renewable energy questions that are explained in a way that's easy for you to understand. A laser emits a beam of light whose photons all have the same frequency. (c) radiation. Assuming 60% of the incoming solar energy reaches Earth's surface and assuming you absorb 50% of the incident energ... What is the ultimate source of geothermal energy? What is the heat source for geothermal heat pumps? Find the energy density of the electric field at a point a radial distance r from the wire. What is solar wind? What type of heat transfer does solar hot water heating use? 2400 times a month to be precise. Such a solar collector is used to continuously provide 38,000 Btu/hr of heat to a process. Flashcards. Gold has a work function (energy needed to eject an electron) of 4.82 eV. Water flows at a rate of 10 kg/sec. Wind 3. The Adair wind farm was commissioned in 2008 by MidAmerican Energy. Interview Understand current role, past experience, situation questions, why switching Jobs & mainly suitability with GE, relocation preference, experience in typical skills, questions from candidate and some questions on products knowledge How long will it take before the capacitor is fully charged for the first time? Which gas is known as 'Fuel of Future'? What wavelength of light would have to fall on sodium (with a work function of 2.46 eV) if it is to emit electrons with a maximum speed of 1.0\times10^6 m/s? Explain. Match. Why is a geothermal power plant located near a volcano? Wouldn't that be able to power the whole world and help the emerging economies of Africa? b) closure of Na+ channels in the outer segment. Wind and solar energy are examples of what? (b) How much energy does the same inductor store if it carries a 3.3 A current? What are your salary expectations? In reaction stage of the turbine with a 40% degree of reaction, how much of 20 Btu/Ibm is changing to kinetic changing in a stator and rotor? Determine the average energy stored in the magnetic... A 42 mH inductor in series with a resistance of 45 ohms is connected to a source whose voltage is E = 370 V cos 150 pi t, where t is in seconds. Select all that apply. Renewable energy credits (RECs—also known as tradable renewable certificates (TRCs)) are certificates of generation from renewable energy generators that convey the right to claim ownership of the environmental attributes of such generation. A large linear Fresnel system c. A solar death ray d. Flat... What type of solar collector is most suitable for driving an solar cooling system installed on the roof of a hospital? Photovoltaic Cell. Renewable energy survey questions is a questionnaire to understand public opinion about renewable or green energy. which of the following plant species you would select for the production of bioethanol a) Jatropha.. 1 answer below which of the following plant species you would select for the production of bio... Why are renewable resources better than non-renewable resources? Two sites are being considered for wind power generation. Several forms have become price competitive with energy derived from fossil fuels. How can students learn about wind energy? (Take the power output of the Sun to be 4.00 x 10^26 W.) (b) Part of this is absorbed and r. Water is the working fluid in an ideal Rankine Cycle. Complete all 3 Renewable Energy Technology Series (Essentials, Solar Energy, and Wind Energy), and be eligible to write the Sustainable Energy Technologies Professional Exam (administered by the Foundational Technologies Institute) for a discounted student rate of $200 CAD (regular$800 CAD). The atmosphere of Jupiter is more than 1000 km thick from the surface of Jupiter. Geothermal, the tides and hydro-electricity Read each statement carefully before ticking a box. Find the frequency of the generator, (a) If an inductor carrying a 2.00 A current stores an energy of 0.250 mJ, what is its inductance? What do we call energy produced by or coming from the sun? The current in an RL circuit builds up to one-third of its steady-state value in 5.20 s. Find the inductive time constant. Which source is most environmentally friendly? Develop the preliminary design of a 10 MW electric power plant using flash evaporation to prov... A rooftop solar hot water heater with collector areas of 8 m^2 and storage of 640 L is installed in Phoenix. If it costs 4.5 to 7.5 cents per kilowatt-hour (wind energy), what is the price per kW? a) solar b) biomass c) tidal d) geothermal e) wind. The winds that prevail in the Mid-latitudes are the A: trade winds. Which state generates the greatest number of megawatts of wind power? A heater does the following: Take in 1 kg/hr of water at P1 = 2.0 MPa, T1 = 40 degC, isobarically heat it to x2 = 100%, and let it flow through a throttling valve to P3 = 101 kPa, V3 = 10 m/s. the material used in nuclear power plants (usually uranium), is non-renewable. For example; fi... How long does it take the Sun to melt a block of ice at 0 C with a flat horizontal area 1.0 m^2 and thickness 1.9 cm? Renewable energy’s 9% growth in the last 12 months is the result of an increased focus on combating climate change and the continued efforts to reduce carbon footprints. 29.2 A c. 1.2 A d. 0.47 A, Create an account to browse all assets today, Biological and Biomedical B: Thermosiphon. Renewable means that it's naturally replenished, so can't run out. What is a benefit of using renewable energy resources? a. uranium b. water c. biomass d. wind e. radiant solar. So, let's try out the quiz. What happens to the wavelength of photons emitted from hotter objects? Note that nuclear fuel, i.e. The electric power needs of a community are to be met by windmills with 40-m-diameter rotors. The common assumption that clean energy breaks your bank is incorrect. Transparency is the best choice when salary based questions arise. The intensity of sunlight impinging on earth is about 1.4 kW/m^2. Is this statement true or false? However, despite falling costs, wind and solar only produce a little over 5.5% of the worldâs electricity. In this lesson, students are introduced to the five types of renewable energy resources by engaging in various activities to help them understand the transformation of energy (solar, water and wind) into electricity. If the current through an inductor were decreased by a factor of 9, how would the energy E stored in the inductor change? What environmental impact does geothermal energy have? Yes! . What are some advantages of using geothermal energy? What would have to take place to convert completely away from non-renewables? A. The work functions for sodium, cesium, copper, and iron are 2.3, 2.1, 4.7, and 4.5 eV, respectively. Consider the construction of a wind farm composed of 100 wind turbines each with a rated capacity of 2 MW at a rated wind speed of 14 m/s. Wind turbines send the windâs energy to power a generator which creates electricity. 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