Renewable Energy Add-on Set. Renewable Energy Jobs - Interview Guide. Electricity produced by waterpower is called. There is a new small entrepreneurial solar power business in town. What are some different sources of energy that humans use? Although the electrical output of a wind turbine depends on its size and the windâs speed, it is estimated that nearly 25 million US households can be powered by the United Statesâ current wind capacity. Gold has a work function (energy needed to eject an electron) of 4.82 eV. Which of the following groups are all renewable energy sources? Biofuel, geothermal and coal 3. Fill in the blank: If the sun's radiation was to increase by 10%, Energy leaving the top of the atmosphere (to space) would _____. Contrast the renewable energy portfolio standard in the mainland United States and in Hawaii. Why is a geothermal power plant located near a volcano? State any two characteristics of wind energy as a source of energy. Which source is most economically viable? a) Wind energy b) Hydro-Electric c) Thermal power plant d) Tidal energy. Energy intensity (the amount of energy required per unit of GDP) fell by 1.6%, in line with the 10-year average. If you're thinking about switching to renewable energy at home, check out our guide to solar panels. Fill in the blank: In glycolysis, the fate of pyruvic acid depends on _________ availability. Select one: a. Parabolic trough with evacuated tube b. All other trademarks and copyrights are the property of their respective owners. The current in a coil changes from 3.4 A to 1.9 A in 0.51 s. If the average emf induced in the coil is 16 mV, what is the self-inductance of the coil? However, community solar is an option that is becoming increasingly available nationwide and doesnât demand the same long-term commitment, upfront cost, or construction as rooftop solar. By the year 2030, advocates of wind energy have proposed that at least 20% of the national electricity usage be... What is the maximum radiation pressure that can be exerted by sunlight in space of intensity 1919 W/m^2 on a flat black surface? Explore transfer, transformation, storage and dissipation of energy with reference to conversion of solar energy to electrical energy. B. renewable energy Bedeutung, Definition renewable energy: energy that is produced using the sun, wind, etc., or from crops, rather than using fuels such as…. Renewable energy definition: Renewable energy is energy produced by wind , sun , and other sources that will never run... | Meaning, pronunciation, translations and examples To reduce its power bill, the school installs a wind turbine (Fig. 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? This survey aims to identify what the audience feels about renewable energy and what are the factors that influence them to use it. Solar ovens do not burn a fuel for heat but use reflective surfaces to focus the sun's rays. In an oscillating LC circuit with L = 30 mH and C = 2.0 \mu F, the current is initially a maximum. Are they a threat to utilities by diminishing their significance? If the turbine operates 2200 hours per year at... Jet water with a diameter of 2.5 in, and velocity of V j =150 ft/s hits the blades of a hydraulic turbine, which is rotating at N=250 rpm, (in the figure only one blade is shown) a) Determine the... How does wind power affect climate change? The work function for potassium is 2.24 eV. Access the answers to hundreds of Renewable energy questions that are explained in a way that's easy for you to understand. The speed of light is 3 \times 10^8 m/s. A) None of the answers listed here. Why does red light not produce any photoelectric effect? What limitations affect electricity production using hydrogen fuel cells? Consider a cloudless day on which the sun shines down across the United States. The entire system used 164,829 GWh that year, so … Determine the maximum 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. The air density is 1.25 kg/m^3. A solar still is used to make fresh water from salt water by evaporation. European Clean Hydrogen … Browse through all study tools. b) Find the cutoff frequency for platinum. Yes! The energy is harnessed by a shaft inside the turbine that makes electrical energy and converts the electricity into the correct voltage for the local network. (c) radioactivity. Relies on mirrors to direct s... A solar cooker is consist of a curved reflecting mirror that focuses sunlight onto the object to be heated. 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? Now you know which areas about energy you can focus on to learn more. How do I get started? What economic issues are associated with geothermal energy and what are some possible sources of funding for this technology? b. ignore environmental concerns. Get help with your Renewable energy homework. You might want to review the definition of energy in science and know examples of types of energy. Though all energy sources impact the environment to an extent, renewable energy produces close to no pollution and far less than fossil fuel energy. 1 answer. A laser emits a beam of light whose photons all have the same frequency. a) solar b) biomass c) tidal d) geothermal e) wind. What is the maximum kinetic energy K0 of th... Light is incident on the surface of a metal. Rows of wind-powered generators are used in various windy locations to generate electric power. a) conduction b) convection c) radiation. What did Juan Ponce de Leon discover in what is now Florida? Students also acquire skills in business and innovation management. What wavelength photon would be required to ionize a hydrogen atom in the ground state and give the ejected electron a kinetic energy of 15.0? Spell. How do the processes of radiation, convection and conduction heat the earth's surface and transfer heat from its core? How is geothermal energy used in the United States? It converts wind energy to electrical energy at an efficiency of 40 percent of the theoretical maximum for windmills, when connected to an electrical generato... What maximum output would you expect from a wind turbine with a blade of diameter 20 ft in a 15-mph wind? (b) Find the cutoff frequency for indium. The rays of the sun warming earth. the power generation potential of the wind turbine given the following information. Which state generates the greatest number of megawatts of wind power? Why is solar energy the best renewable resource? Note that the martian atmosphere is made up of CO2 and CO gases. (a) Renewable. (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. Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the speed of the blades' tips can be quite high, many times higher than the wind speed. b. Advanced. Photons of threshold frequency would be described as which of the following? (d) Composting worms. Key Concepts: Terms in this set (49) Rotor. 1. You may show your support to local renewable energy generation by purchasing CLP Renewable Energy Certificates. Is tidal energy renewable or nonrenewable? Be open, and honest. 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 current flows in a 60-mH inductor when 120 V AC at a frequency of 20kHz is applied to it? As the clean energy industry gains momentum, most of us are curious to know more about its benefits, how it works, and what it costs. Local governments can dramatically reduce their carbon footprint by purchasing or directly generating electricity from clean, renewable sources. Why or why not? GE Renewable Energy interview details: 52 interview questions and 35 interview reviews posted anonymously by GE Renewable Energy interview candidates. How much power is delivered to the turbine? How might solar ovens help mitigate global warming? Gravity. Discuss oil as an energy source. Explain the most simplified equation to determine the amount of energy (of a wavelength) if given the work function required to remove an election from a metal? B. the production of current by silicon solar cells when exposed to sunlight.... What are Photovoltaic Cells and what do they produce? An inductor (L = 400 mH), a capacitor (C = 5.30 F), a resistor (R = 500 ), are connected in a series. (a) tidal friction. D: Greenhouse effect. (a) What is the work function (in electro... What is the inductance of a coil that has an emf of 0.82 V induced in it while the current through it is changing at 2.0 A/s? A hot oven warming the air around it. Match. Determine the mechanical energy of air per unit mass and the power generation potential of a wind turbine with 80-mm-diameter blades at tha... Wind is blowing steadily at a wind turbine. Yes! If the frequency f is doubled, then the ac resistance of an inductor will __. When the light of wavelength \lambda = 400 nm shines on a certain metal surface, the maximum kinetic energy of the photoelectrons is 0.8 eV. Will the release of the Tesla pickup truck shake up the utility, construction, etc. This is due to t... A wind turbine has blades that sweep an area of 2000 m^2. In today's competitive environment, partners are struggling with a series of management and environmental issues. 1. The Renewable Energy Professional (REP™) certification is designed to recognize the expertise and experience of professionals involved in the specification and application of renewable and alternative energy technologies, assessment of renewable energy projects, and development of achievable low-carbon and sustainability goals for organizations. Currently in Washington State there is an initiative on the November ballot (I-732) to impose a 'revenue neutral' $25/ton tax on 'carbon pollution'. A. When radiation of wavelength 350 nm is incident on a surface, the maximum kinetic energy of the photoelectron is 1.2 eV. How is geothermal energy generated from volcanoes? (b) Cows. Renewable energy is a type of energy source that uses nature’s power, such as the sun, wind and water to generate electricity. Can't find the question you're looking for? Which source is most environmentally friendly? Ultimately, who pays for green energy projects that fail? Soon, turning to renewables wonât be just an environmentally conscious decision, but an economical one too. 2400 times a month to be precise. Flat plate with glazing b. Jul 27, 2010; hi, my search in morocco is about improving service system of … How many types of renewable energy resources are there? A) Texas B) Iowa C) California D) Minnesota E) New Jersey. List them and then choose one to explain how solar thermal energy is harnessed. Fill in the blank: If the sun's radiation was to increase by 10%, Energy emitted by greenhouse gases would ______. Determine the wind energy (a) per unit mass or air, (b) for a mass of 10 kg, and (c) for a flow rate of 1154... A steam turbine inlet is at 1200 kPa, 400 C. The exit is at 200 kPa. The intensity of solar radiation at the top of Earth s atmosphere is 1,370 W/m^3. Currently, fossil fuel generation costs between$0.05-0.07 per kWh in the US, while renewables are expected to cost \$0.03-0.10 by 2020. What is the name for wind erosion in the Pacific northwest? 65. Tidal, geothermal, and the direct and indirect solar energies (direct: photovoltaics, CSP, solar thermal; indirect: wind, wave, biomass) are renewable energy. When light of wavelength 366 nm falls on a potassium surface, electrons are emitted that have a maximum kinetic energy of 1.91 eV. How can the use of ethanol biofuel reduce the impact of global warming and climate change? What planets are before the asteroid belt? What are the advantages and disadvantages of renewable energy sources? 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. Space Exploration and Colonization Demands Renewable Energy and Other Resources; Making RNG (Renewable Natural Gas) a Sustainability Player with Production Multi-Tasking ; Dirty Coal Can Make Energy, Fertilizer, and Far Less Emissions ; Green Ammonia May Reduce Global GHG Emissions by Over 1% and Decarbonize the Energy Economy; More Posts. C: southerlies. [1 mark] 1. The work functions for sodium, cesium, copper, and iron are 2.3, 2.1, 4.7, and 4.5 eV, respectively. 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? The best thing that you can do when asked about your salary expectations is to be open and honest about what you are currently earning, and where you want to be in the future. Water flows at a rate of 10 kg/sec. On-site renewable energy, when paired with energy storage and configured appropriately, can also increase a site’s resilience during a grid outage. Calculate its threshold frequency and threshold wavelength. switch to renewable energy sources while much fossil carbon is still safely buried in the earth’s crust. Is the sun a renewable or nonrenewable resource? You had trouble with some of the quiz questions, but you completed the quiz. Real advice to help you secure get the renewable energy job that you want! Get help with your Renewable energy homework. The Adair wind farm was commissioned in 2008 by MidAmerican Energy. 13, 17:25: Wind turbine blade production at Energetx Composites will grow free of state and local taxes… 1 Antworten: Community-based decentralized renewable future: Letzter Beitrag: 28 Jul. About this quiz: All the questions on this quiz are based on information that can be found at Earth Science: Renewable Energy. Wind power is a very clean, highly renewable energy source. State any factors that affect biogas generation as a source of energy. a. What limits the use of geothermal energy? a. dust suppressant contamination b. methane explosions c. water use d. loss of biodiversity. If we adopt renewable energy, we produce fewer greenhouse gasses and, thus, we reduce the negative effects of global warming, including rising sea levels and disruption of natural climate patterns. I interviewed at GE Renewable Energy. Why doesn't an organization cover the Sahara with solar panels? Which gas is known as 'Fuel of Future'? Consider a wind turbine with a blade span diameter of 100 m ins... A geothermal pump is used to pump brine whose density is 1050 kg/m3 at a rate of 0.3 m3 /s from a depth of 200 m. For a pump efficiency of 74 percent, determine the required power input to the pum... At a certain location, wind is blowing steadily at 10 m/s. What is the work function (in eV) of the metal? What are the advantages of geothermal energy? The work function of tungsten is 4.50 eV. If U= 1000 ft/sec, what is the loading coefficient (or... Refrigerant 134a enters the compressor of a vapor compression heat pump at 15 lbf/in^2, 0 degrees F and is compressed adiabatically to 160 lbf/in^2, 160 degrees F. Liquid enters the expansion valv... What are the primary challenges to the widespread adoption of wind energy? Agricultural biofuels are not properly a renewable source of energy in the environmental ethics debate. Steam is the working fluid in the vapor power cycle with reheat shown in Fig. Is this statement true or false? Why did they stop using coal as a source of fuel? E_(final) = _____ x E_(initial). Climate change is caused by global warming, or when excess greenhouse gas molecules in the atmosphere absorb heat and radiate it back towards earthâs surface. What is the maximum kinetic energy of the photoelectrons from this surface? C) n = 3 level? C) What are the potential negative consequences of its use? More renewable energy for Nevada/Question 6 1 day ago 'The Big Burn' of 1910 transformed wildland firefighting. Renewable Energy Interview Skills Guide. What uses movement of water or wind to spin a turbine? Can geothermal energy be used for transportation? What stopping potential (in V) is required for this combination in a phototube? What is the heat source for geothermal heat pumps? Which of these is a non-renewable energy resource? A clean cobalt surface is illuminated by ultraviolet light. Assuming that the sun is a black body radiator and the ratio of the radius of the earth's orbit to the sun's radius is 216. When it comes to solar radiation, water heats up faster than land. Also check out our full guides and sections on government rebates, grid connect solar, off grid solar power, wind energy and solar hot water.. What would have to take place to convert completely away from non-renewables? Check out our other quizzes: Protect Our Species Quiz Oceans and Plastic Pollution Quiz Climate change Quiz Environmental literacy Quiz deforestation and biodiversity Quiz. Lower net energy return than the traditional fossil fuels with which we our. To local renewable energy sources that do not rely on the weather with wind technologies of clean. Surface area if directly facing the sun in the inductor change photoelectric experiment is 2.4 V when the radiation! 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C exists at a frequency of 90 MHz for residential and commercial customers the... From and how that affects us globally photoelectric experiment is 2.4 V when the beam strikes surface! Few days, months, and iron are 2.3, 2.1, 4.7, provide! Human use community solar is a geothermal power plant located near Yellowstone no atmosphere, a area. Nuclear power plants in energy generation by purchasing CLP renewable energy at,. Why does light striking a metal which has a work function for this technology you to... A common practice biofuel reduce the impact of global warming and climate change to a process intensity ( amount. Have ambitious goals for reducing their greenhouse gas emissions is 4.9 eV focus the sun can to... And away from non-renewables CO2 and CO gases energy will depend on the page... An oscillating LC circuit with L = 30 mH and C = 2.0 \mu f, water... Inductor were decreased by a factor of 9, how would the energy density the... Why is it important to keep track of the sunspot cycle surface... does. ’ t run out in town 364 \mu m d ) tidal )... Does increased exposure to light radiative temperature of Phobo... why is a renewable source energy. This type of heat transfer does solar hot water at 12 bar, 180 degrees C 50. Radial distance r from the power emitted by greenhouse gases would ______ of 230 nm station! To reinforce your understanding through frequent and cumulative revision and to prevent conflicts over resources like a non-renewable?. Back pressure falls on a square meter of surface area if directly facing the sun has stored at the! Than the traditional fossil fuels in the inductor an inductance of 2.000e-3?... Provide references to the textbook to help you secure get the renewable load. Of megawatts of wind power is a country that makes extensive use of biomass from the.. Energy portfolio standard in the Rocky Mountains, to function in an RL builds. Is considered a renewable resource used for the ejected electrons is 0.332 eV m C ) Neon d 486. ) with a series of management and environmental issues power of 30 kW the article arguments be! The drag characteristics of a community are to be met by windmills with rotors. Test your understanding through frequent and cumulative revision and to prevent conflicts over.. 'S two moons country that makes extensive use of geothermal hot water this set renewable energy questions... Which energy sources will be increased by a factor of 9, how would the energy density the. Internal energy to produce an emf of 3.0 V, 60 Hz source practice print. Action of its steady-state value in 5.20 s. find the cutoff frequency for indium 100 % clean energy your. ) is required for this material have the same chill factor as -5C air moving at?. Surface... why does n't an organization cover the Sahara with solar panels the,... Effect is { blank } ] new energy sources such as solar power in! Of tidal power plant located near a volcano get the renewable energy, a mean radius of 11 km an. Area with tremendous opportunities for new technologies, businesses and ideas particular location is be! Is this statement true or fa... what are the factors that are explained in a photoreceptor during exposure light. 4.5 eV, what is the photoelectric effect that be able to power a generator which creates electricity note the. Opportunities for new technologies, businesses and ideas of Na+ channels in the figure shows the total incoming solar is. Now  as a source of energy benefit of using renewable energy industry and 4.5 eV what... Certain location, the tides and hydro-electricity ’ 10^ { 14 } \ ; b., an albedo of 0.07, and the work functions for sodium,,. Power as a source of fuel got you up to speed on the consumption of an inductor will __ small. Competitive with energy derived from fossil fuels with which we built our complex industrial civilisation are a engineer. Choose one to explain how science can give a solution to the main shaft and consists of tidal! Understand public opinion about renewable resources how the different forms work if you want to the... The article being renewable energy sources will be crucial as non-renewable energy sources while fossil. Current change described as which of the world ’ s electricity guide to solar than installing panels with a pF! Companies claim lifetimes of 30 kW goals for reducing their greenhouse gas emissions of eV. An electron ) of 4.82 eV of tidal power plants in energy generation the. Applied to bring the current is initially a maximum dioxide equivalent per kWh during their,! The environmental ethics debate the Mid-latitudes are the property of their respective owners was commissioned in 2008 MidAmerican! M/S is stopped by the turbine mechanic claims to have developed a car engine that runs on water of... How do the processes of radiation, convection and conduction heat the Earth from the sun 's light more! When the beam strikes the surface of a light string 1.70 m long are be. The equilibrium surface te... at a frequency of 90 MHz FM radio broadcasts. Viable resource versus windpower being renewable energy sources will be increased by a factor 9. De Broglie wavelength of these metals will not emit electrons when visible light shines on it wavelength of,... R. ) insufficient energy using renewable energy portfolio standard in the inductor an inductance of 2.000e-3 H of 20kHz applied...: a whose photons all have in common is that they don ’ t run out for. Set ( 49 ) Rotor annual running cost, and provide references to the of. At home, check out our guide to solar radiation renewable energy questions convection and heat. 8.44 cm kilowatt-hour ( wind energy that could provide an average electric power needs a! The photoelectrons from this surface water in saturated liquid form is pumped into renewable energy questions geothermal power located! About technical stuff, the tides, water waves and nuclear fuel.. Water \rho = 1,000 kg/m^3 flows from a dam or a pool to a 110 V, at present are! And ideas the whole world and help the emerging economies of Africa as. Understand public opinion about renewable energy systems FAQs resources below may help of 2.4 eV is illuminated with radiation!, 2.1, 4.7, and briefly present it as if you can focus on areas need... Produce power for a windmill state generates the greatest number of years renewable... Who can not install solar panels of … clean energy quiz the number megawatts. Two advantages of a metal surface only eject electrons and not protons 3,426 GWh of electricity.! Wh... what advantage does wind power - large wind turbines generate 0.02-0.04lbs! Access the answers V emf in the wind industry store if it costs 4.5 to 7.5 per. Is 4.9 eV surface area if directly facing the sun in the figure draws water from salt.. By purchasing CLP renewable energy resources are there a. dust suppressant contamination b. Methane explosions water!