How do fuel cells generate electricity mcq

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August undefined, 2024

WebHow Fuel Cells Work Polymer Electrolyte Membrane (PEM) fuel cells used in automobiles—also called Proton Exchange Membrane fuel cells—use hydrogen fuel and oxygen from the air to produce electricity. The diagram and animation below show how a PEM fuel cell works. View Animation (Flash 5.0 or higher required) Fuel Cell Stacks 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

Direct methanol fuel cell - Wikipedia

WebSep 22, 2024 · Answer: 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 … WebToday's most common fuel cells use oxygen and hydrogen to create electricity. As long as there's a steady stream of these two elements moving into the fuel cell, energy will come … how many branches of infosys in india

Fuel Cell Questions - Practice Questions of Fuel Cell with Answer ...

WebApr 10, 2024 · The correct answer is 1 and 3 only. Key Points. A microbial fuel cell is a device that converts chemical energy to electrical energy by the action of microorganisms. Hence, statement 1 is correct. They are devices that use bacteria as catalysts to oxidize organic and inorganic matter and generate current. Hence, statement 2 is not correct. 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%. WebWhat does a fuel cell use to generate electricity? 1.Diesel, 2.Nuclear fission, 3.Natural gas, 4.Gasoline how many branches of economics

Energy Resources MCQs (Set-III) General Science and Ability

Fuel cell electric vehicles (FCEV) - INSIGHTSIAS

WebHow do fuel cells generate electricity Mcq? Fuel cells typically generate electricity using hydrogen and emit only water and heat. For polymer electrolyte membrane (PEM) fuel … WebA fuel cell is a device that generates electricity by a chemical reaction. Every fuel cell has two electrodes called, respectively, the anode and cathode. The reactions that produce electricity take place at the electrodes. how many branches of phonetics are available how many branches of mathematics are there

"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 … " - How do fuel cells generate electricity mcq

How do fuel cells generate electricity mcq

Microbial fuel cells are considered a source of sustainable energy.

WebWhat is a hydrogen fuel cell and how does it work? Hydrogen fuel cells produce electricity by combining hydrogen and oxygen atoms. The hydrogen reacts with… 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 …

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WebWhat is a hydrogen fuel cell and how does it work? Hydrogen fuel cells produce electricity by combining hydrogen and oxygen atoms. The hydrogen reacts with… 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 ...

Web1915. 1989. If you see a car running off a fuel cell, that cell is probably a: polymer exchange membrane fuel cell (PEMFC) solid oxide fuel cell. alkaline fuel cell. What are the four main parts of a PEMFC? the catalyst, the battery, the cathode and the anode. the anode, the cathode, the electrolyte and the catalyst. WebFeb 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 …

WebWorking of Fuel Cell. The reaction between hydrogen and oxygen can be used to generate electricity via a fuel cell. Such a cell was used in the Apollo space programme and it served two different purposes – It was … WebJul 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

WebHow 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) …

WebA microbial fuel cell (MFC) is a bio-electrochemical device that harnesses the power of respiring microbes to convert organic substrates directly into electrical energy. At its core, the MFC is a fuel cell, which transforms chemical energy into electricity using oxidation reduction reactions. how many branches of palawan pawnshopWebApr 13, 2024 · Fuel cell vehicles combine hydrogen and oxygen to produce electricity and use hydrogen gas to drive electric motors. Since fuel cell vehicles are entirely powered by … high protein diet plan for vegetarianWebMar 23, 2024 · fuel cell, any of a class of devices that convert the chemical energy of a fuel directly into electricity by electrochemical reactions. A fuel cell resembles a battery in many respects, but it can supply electrical … how many branches of protestantism are thereWebMar 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 … high protein diet plan for weight loss freeWebSep 21, 2024 · A fuel cell is a device that makes electricity from fuel and air. Instead of burning the fuel to make heat to drive a mechanical generator, fuel cells react the fuel and air electrochemically, without combustion. high protein diet plan for womenWebMCQs 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 … how many branches of physics are thereWebWhat is a hydrogen fuel cell and how does it work? Hydrogen fuel cells produce electricity by combining hydrogen and oxygen atoms. The hydrogen reacts with… high protein diet plan to lose weight fast