How do fuel cells generate electricity mcq

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August undefined, 2024

WebWhat does a fuel cell use to generate electricity? 1.Diesel, 2.Nuclear fission, 3.Natural gas, 4.Gasoline 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…

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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 … WebThe water in the fuel cell is oxidized to a hydroxy radical via the following reaction: H 2 O → OH• + H + + e −. The hydroxy radical then oxidizes carbon monoxide to produce carbon dioxide, which is released from the surface as a gas: CO + OH• → CO 2 + H + + e −. [16] Using these OH groups in the half reactions, they are also expressed as: list of restaurants in georgetown

How does a fuel cell work?

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. WebHow do hydrogen fuel cells produce electricity? The process by which a fuel cell works can be summarised as follows: Hydrogen atoms enter at the anode , while oxygen is fed to the cathode. The hydrogen atoms are separated into protons and electrons at the anode. imitation grass mats

Fuel Cells: Working, Setup, Role of Electrolyte and Advantages

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 … 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 … list of restaurants in los angeles countyWebMuch 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 … imitation hanging baskets for outdoors

"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 do fuel cells generate electricity mcq

How do fuel cells generate electricity mcq

RES MCQ4 on Fuel Cell - MCQ - MCQs on Fuel Cell Fuel cell is

WebA fuel cell is the electrochemical cell that converts the chemical energy of a fuel (often hydrogen) and an oxidizing agent (often oxygen) into electricity through a pair of redox reactions. Fuel cells are different from most … 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.

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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 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…

WebWater vapor and heat. Which of the following best explains energy transformation in hydrogen fuel cells? Hydrogen reacts with oxygen to produce water, which releases energy. Which of the following is a disadvantage of using hydrogen fuel cells? Hydrogen gas is not readily available on Earth. 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 …

WebApr 18, 2024 · It depends on the size of the cell. From 50 Watts to 200 MW or more. Fuel "cells" come in many different sizes and power output ranges. A specific power need would consider the options of multiple fuel cells or a single large … 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.

WebNov 17, 2024 · Hydrogen fuel cells produce electricity by combining hydrogen and oxygen atoms. The hydrogen reacts with oxygen across an electrochemical cell similar to that of …

WebTypes of Fuel Cells. Fuel cells are classified primarily by the kind of electrolyte they employ. This classification determines the kind of electro-chemical reactions that take place in the cell, the kind of catalysts required, the temperature range in which the cell operates, the fuel required, and other factors. These characteristics, in turn ... imitation guns for saleWebOct 5, 2024 · Much like a battery, a fuel cell produces electricity through electrochemical reactions, which generate electricity from hydrogen and air without any combustion. Unlike batteries, fuel cells don't need to be recharged and can continuously provide electricity as … list of restaurants in ikeja list of restaurants in laWebWind energy is increasingly relied upon to help meet global energy needs. Wind energy can be used to generate electricity using wind turbines. Which of the following best describes … imitation grass turfWebMar 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 … list of restaurants in lewis center ohWebHow 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) … list of restaurants in joplin moWebThese 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 … list of restaurants in minnesota