Meteorological data indicates an average wind speed of 24 km/h at an air temperature of 10^{\ci... During what season will more insolation be delivered to a vertical south-facing window on a clear day? Test your understanding with practice problems and step-by-step solutions. Converts 22 rpm from the rotor to 1500 rpm needed for the generator. An irreversible gas turbine power plant operates between pressures of 1.0 bar and 6.0 bar. 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. industries, and their trucks? Arizona on a house that uses 160 L/day of hot water at 60 degrees C. 70% of the total en... An ionized compound on a flat plate is subjected to the electrical field \vec E(x,y) = 2xy\vec i+2x^2\vec j volt\,m'. Light of wavelength 464 nm falls on a metal which has a work function of 2.28 eV. 1. What are the advantages of geothermal energy? (Select all that apply.) \\ (a) What is the maximum kinetic energy of the electrons emitted from the surface... A 100-turn ideal solenoid has an inductance of 2.5 mH. Get help with your Renewable energy homework. 2400 times a month to be precise. Taking into consideration the geographic location where you live, identify the type of renewable energy source that you think communities and businesses in your region should invest in. However, community solar is an option that is becoming increasingly available nationwide and doesn’t demand the same long-term commitment, upfront cost, or construction as rooftop solar. Average renewable energy load factor in the United Kingdom (UK) 2015-2019, by source . Why is it important to keep track of the sunspot cycle? Are they a threat to utilities by diminishing their significance? Ready for another quiz? State the aims that should be achieved in order for solar energy to be economically feasible. This is due to t... A wind turbine has blades that sweep an area of 2000 m^2. This module focuses on the outlines of the new renewable energy economy that must eventually take hold: what renewable energy sources are available, and how will optimum mixtures of renewable-energy sources be determined? Frequently asked questions. What is the name for wind erosion in the Pacific northwest? The pump-turbine system in the figure draws water from the upper reservoir in the daytime to produce power for a city. The drag characteristics of a blimp 5 m in diameter and 60 m long are to be studied in a wind tunnel. How is geothermal energy generated from volcanoes? 2. What is the de Broglie wavelength of these electrons? Generator. . b. Â. 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. Two sites are being considered for wind power generation. How can I find a job in the wind industry? Need to brush up? What limits the use of geothermal energy? Using them will hurt the environment. Find the frequency of the generator. Was this project successful? Find the maximum kinetic energy of the emitt... A Surface is illuminated with electromagnetic radiation of wavelength 771 nm, the max KE of emitted electrons is .304 eV. Biogas (e.g., landfill gas/wastewater treatment digester gas) 4. 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. Is a renewable resource used for the generation of electricity? A 0.047 H inductor is wired across the terminals of a generator that has a voltage of 2.1 V and supplies a current of 0.023 A. The questions are designed to reinforce your understanding through frequent and cumulative revision and to assist with independent self-study. State two classifications of tidal power plants in energy generation. The electric power sector accounted for about 56% of total U.S. renewable energy consumption in 2019, and about 17% of total U.S. electricity generation was from renewable energy sources. 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. Motor. Renewable energy is any energy we use that comes from renewable, natural sources. Renewable Energy Group Interview Questions. Photovoltaic Cell. Renewable Energy Interview Skills Guide. A. glycogen B. pyruvic acid C. lactic acid D. fatty acids E. CO_2. Which managers, top managers, middle managers, or first-line managers, would mak... A large fraction of our energy currently comes from renewable sources. c. Bird deaths caused by rotors. Renewable energy definition, any naturally occurring, theoretically inexhaustible source of energy, as biomass, solar, wind, tidal, wave, and hydroelectric power, … The stopping potential that prevents electrons being ejected is 0.82 eV. Which source is most economically viable? renewable energy Bedeutung, Definition renewable energy: energy that is produced using the sun, wind, etc., or from crops, rather than using fuels such as…. What is solar wind? The shift to 100% clean energy will depend on small-scale progress and cooperation, but it is doable. The photoelectric effect is {Blank} \\ A. the total reflection of light by metals, giving them their typical luster. 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? Soon, turning to renewables won’t be just an environmentally conscious decision, but an economical one too. Have questions about solar or wind power related equipment and processes or just want to learn more about our company? Tesla has moved into the utility space by offering solar and battery storage for residential and commercial customers. In 2010, Thailand generated 3,426 GWh of electricity from renewable energy sources such as solar power. Select the correct answer. 1. Where can I get a grant to develop my wind power invention? 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? 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. GE Renewable Energy interview details: 52 interview questions and 35 interview reviews posted anonymously by GE Renewable Energy interview candidates. Renewable energy, usable energy derived from replenishable sources such as the Sun (solar energy), wind (wind power), rivers (hydroelectric power), hot springs (geothermal energy), tides (tidal power), and biomass (biofuels). The West Coast is still on fire. 2. A simple pendulum consists of a light string 1.70 m long with a small 0.490 kg mass attached. 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. What challenges do you think would arise from a large scale of conversion to biofuel? An FM radio station broadcasts at a frequency of 90 MHz. 3.Can clean energy replace fossil fuels? Boyle: Renewable Energy 3e Self-test questions. What part of the world is most suitable for OTEC systems? C) n = 3 level? Students gain in-depth knowledge of all major renewable technologies and the opportunity to specialise in areas of interest. Which is a passive form of solar energy? The United States currently generates approximately 4100 TWh of electricity annually. If the sun's radiation was to increase by 10%, Energy emitted by the Earth s surface would do what? If the wavelength of the incident photons becomes smaller, the maximum kinetic energy of the photoelectrons emitted from the surface _____. Where does the heat for geothermal energy come from? What is the max KE if the surface is illuminated using radiation of wave le... What is the self-inductance of a 5500-turns solenoid of radius 10cm and length 20 cm? Learned something? The winds that prevail in the Mid-latitudes are the A: trade winds. (b) The power de... What type of solar collector is most suitable for heating domestic hot water? The current in an inductor is 0.20 A, and the frequency is 750 Hz. Flashcards. This is the talk page for discussing improvements to the Renewable energy article. I interviewed at Renewable Energy Group (United States) Interview one hour long, not too hard, three people related to your work are sitting there talking with you. A 50.0 Hz AC generator connected in series to these elements produces a maximum current of 300... How do hydroelectric power generation stations work? Find values for the following. The wind farm, located in Iowa on the border of Adair County and Cass County, is composed of 76 Siemens wind turbines each with a... You are designing a remote-area power supply based on a miniature wind turbine that is 20% efficient. D: easterlies. The solar energy stored in the water during the day is released at night to... Show that the power produced by a wind turbine is proportional to the cube of the wind velocity and to the square of the blade span diameter. Explain. What is the work function (in eV) of the metal? The mass flow rate is 2.3 kg/s. The rate of energy received on earth will be increased by a factor of. (mH) (b) How much energy does the same inductor store if it carries a3.3 A current? Determine a). Access the answers to hundreds of Renewable energy questions that are explained in a way that's easy for you to understand.