How do fuel cells generate electricity mcq
WebMar 17, 2024 · This cell was used for providing electrical power in the Apollo space program. The water vapours produced during the reaction were condensed and added to the drinking water supply for the astronauts. Fuel cells produce electricity with an efficiency of about 70 % compared to thermal plants whose efficiency is about 40%. WebMuch like a battery, a fuel cell produces electricity through an electrochemical reaction, which generates electricity without any combustion. Unlike batteries, fuel cells don’t wear …
How do fuel cells generate electricity mcq
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WebAnswer: The fuel cells work on two redox reactions between hydrogen and oxygen. The half-cell reactions of the Bacon fuel cell are given below: At anode, the hydrogen is oxidized … WebFuel cell converts chemical energy to electrical energy using a reaction that __________ a) eliminates combustion of fuel b) requires combustion of fuel c) requires no ignition of fuel d) fuel is not required Ans:a 2. Fuel cell performance is not limited by __________ a) First law of Thermodynamics b) Second law of Thermodynamics
WebDec 17, 2024 · Advantages of fuel cells: They produce much smaller quantities of greenhouse gases and none of the air pollutants that cause health problems. If pure hydrogen is used, fuel cells emit only heat and water as a byproduct. They are also energy efficient than traditional combustion technologies. Unlike battery-powered electric … WebHow do fuel cells generate electricity quizlet? When hydrogen rich fuels enter a fuel cell, it reacts electrochemically with oxygen to produce water, heat and electric power. Hydrogen …
WebNov 25, 2024 · The production of hydrogen is often linked to its use to generate power using fuel cells which generally run on hydrogen, but any hydrogen-rich material can serve as a possible fuel source. However, this latter type of fuel is only really suitable for higher temperature fuel cells (650–900 °C) such as molten carbonate or solid oxide systems ... WebMCQs on Fuel Cell. Fuel cell is an electrochemical cell, which can convert energy from the combustion of fuel suchas hydrogen, methanol, etc. directly to electrical energy. Fuel …
WebFuel cells typically generate electricity using hydrogen and emit only water and heat. For polymer electrolyte membrane (PEM) fuel cells, hydrogen is fed into one side of the fuel cell, and oxygen is fed into the other. Hydrogen ions pass through a membrane and react with the oxygen on the other side to form H2O (or water) and create electricity.
WebThese cells require hydrogen as a fuel to permit generation of electricity. The carbonate cells make use of high-temperature elements as the electrolyte. Under the influence of … moving average method inventoryWebJul 6, 2024 · A fuel cell, in order to produce electricity, burns: (a) Helium (b) Nitrogen (c) Hydrogen (d) None of the above Answers: (c) Fuel cells are: (a) Carbon cell (b) Hydrogen battery (c) Nuclear cell (d) Chromium cell Answers: (b) Both power and manure is provided by: (a) Nuclear plants (b) Thermal plants (c) Biogas plants (d) Hydroelectric plant moving average method forecastingWebMar 17, 2024 · This cell was used for providing electrical power in the Apollo space program. The water vapours produced during the reaction were condensed and added to … moving average optimizerWebOct 4, 2024 · Fuel cells are a clean way to produce power. Fuel cells are similar to batteries in that they produce electricity without combustion or emissions. Unlike batteries, fuel cells do not run down or need to recharge—as long as there’s a constant source of fuel and oxygen. Compared to conventional gasoline vehicles, fuel cell vehicles can even ... moving average method of measuring trendmoving average method of demand forecastingWebFeb 11, 2005 · A fuel cell combines a fuel (hydrogen or hydrogen source) with an oxidizer (oxygen or air) to produce electrical power. These electrochemical devices work similar to batteries, but they never run … moving average inventory excelWebHow does a Microbial Fuel Cell generate electricity? a) Through the use of enzymes b) Through the use of chemical reactions c) Through the use of bacterial metabolism d) … moving average of oscillator