fuel cell objective type questions and answers

Non Conventional Energy Sources Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.

Hydrogen Fuel Cell Question & Answer Document . This document has been compiled with input from our members to answer some of the most commonly asked questions around hydrogen and fuel cells. We hope you find the document useful. 1 ' Glossary . ... type of analysis that allows individuals to compare emissions over the entire life cycle of a ...

Biology Multiple Choice Questions and Answers for Different Competitive Exams. mcq on cell organelles MCQ Biology - Learning Biology through MCQs. Biology Multiple Choice Questions and Answers for Different Competitive Exams ... The cell theory is not applicable to. a) Bacteria. b) algae. c) Virus. d) fungi. 4. Semiautonomous organelle in the ...

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 energy over a much longer period of time. This is because a fuel cell is continuously supplied with fuel and air (or oxygen) from an external source, whereas a battery contains only ...

Question: Part A What Is A Fuel Cell? What Is The Most Common Type Of Fuel Cell? Check All That Apply. In A Fuel Cell The Reactants Must Be Constantly Replenished. The Most Common Fuel Cell Is The Hydrogen-oxygen Fuel Cell. The Most Common Fuel Cell Is The Lithium-ion Battery In A Fuel Cell The Reactants Constantly Flow Through The Battery O A ...

Fuel cells use gaseous reactants, while primary cells use solid and aqueous reactants. Fuel cells must be continuously supplied with reactants, while primary cells contain a fixed quantity of reactants. In both fuel cells and primary cells the electrodes have a catalytic function as well as being the site of reactions.

OBJECTIVE QUESTIONS (BATTERIES) 1. A lead-acid battery is considered fully charged when the. ... a positive reading. terminal voltage reaches a constant value at a given temperature specific gravity of all cells reaches the correct value and no longer increases ... only be of the nickel alkaline type 6. Battery charging rooms should be well ...

Batteries - Electrical Engineering (MCQ) questions and answers. Home >> Category >> Electrical Engineering (MCQ) questions and answers >> Batteries; 1) In Daniel cell, a. Layer of hydrogen bubbles is formed b. Polarization takes place ... b. both wet cell c. dry cell, wet cell d. wet cell, dry cell.

Multiple choice questions. Try the following multiple choice questions to test your knowledge of this chapter. For each question there is one correct answer. The periodic table, physical constants and relative atomic masses needed for these problems are given on the inside covers of Chemistry, fourth edition by C.E. Housecroft and E.C. Constable.Once you have answered the questions, click on ...

Feb 25, 2020· Explore the development of the fuel cell and study the different systems. A fuel cell is an electrochemical device that combines hydrogen fuel with oxygen to produce electricity, heat and water. The fuel cell is similar to a battery in that an electrochemical reaction occurs as long as fuel is available.

MULTIPLE CHOICE QUESTIONS AND FILL IN BLANKS OF STRUCTURE OF PLANTS PARTS 1. Casparian strips are present in (a) Cortex (b) Epidermis (c) Stele (d) Endodermis 2. The outer most part of the stele consists of one or more layers of parenchymatous cells. The outer layer of this parenchyma is called: (a) Cortex (b) Epidermis ' (c) Stele (d) pericycle

Fuel cells are also used as primary or backup sources of electricity in many remote areas. Thus, the different types of fuel cells and the working of an alkaline fuel cell are briefly discussed in this article along with some of the applications of these electrochemical cells.

These general awareness quiz objective questions answers include mcqs on microbial fuel cells, ticks and mites etc. Go To Download Page Close 61 Pneumoconiosis affects the workers who mainly in

Question types will include multiple choice, structured, mathematical and practical questions. ... lines needed to answer the question. ... reaction that takes place in a hydrogen fuel cell. [1 ...

Jun 18, 2015· SunShot was created with the aim of making solar power cost-competitive with fossil fuels by 2020, and it has made significant strides toward that goal by supporting the development of more efficient solar cells and cost-effective manufacturing processes.

Fuel cell - Fuel cell - Types of fuel cells: Various types of fuel cells have been developed. They are generally classified on the basis of the electrolyte used, because the electrolyte determines the operating temperature of a system and in part the kind of fuel that can be employed. These are devices that, by definition, have an aqueous solution of sodium hydroxide or potassium hydroxide as ...

This set of Engineering Chemistry Multiple Choice Questions & Answers (MCQs) focuses on "Fuel Cells". 1. A fuel cell is used to convert chemical energy into _____ a) Mechanical energy b) Solar energy c) Electrical energy d) Potential energy View Answer

What is a drop-in fuel? A drop-in fuel is a substitute for conventional jet fuel, which is fully compatible, mixable and interchangeable with conventional jet fuel. Such an alternative fuel does not require any adaptation of the aircraft and or infrastructure, and does not imply any restriction on …

This set of Power Plant Engineering Multiple Choice Questions & Answers (MCQs) focuses on "Fuel Cell". 1. Fuel 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 View Answer

Apr 22, 2019· Multiple Choice Questions (Type-II) Note : In the following questions two or more than two options may be correct. The positive value of the standard electrode potential of Cu 2+ /Cu indicates that _____. (i) this redox couple is a stronger reducing agent than the H + /H 2 couple. (ii) this redox couple is a stronger oxidising agent than H + /H 2.

Jan 07, 2020· This type of cell uses reactant as fuel from external sources that constantly flow through battery. It generates electrical current as a result of redox reaction. Hydrogen-oxygen fuel cell is the most common type of fuel cell. Th...

(v) Fuel-Cell: It is a cell which converts chemical energy of fuel directly into electrical energy. MORE QUESTIONS SOLVED. NCERT Solutions for Class 11 Chemistry Chapter 9 Very Short Answer Type Questions. Question 1. Which isotope of hydrogen is radioactive? Answer: Tritium. Question 2.

Read on for answers to some burning questions about biofuels. ... Fuel crops absorb CO 2 from the atmosphere and release it again completely when the fuels are burned. This does not, however, take into account the carbon released by the plants that covered the land before the fuel crop was planted. ... Their objective is to produce more biofuel ...

Fuel cell technologies have grabbed headlines lately, and rightly so. If sourced from renewable means, an element such as hydrogen can be a zero-emission, extremely efficient fuel source capable of powering anything from vehicles to data centers. So, what are fuel cells and how do they work? Here are the answers to five key questions in honor of National Hydrogen and Fuel Cell Day.

Fuel objective type questions and answers. 1. The smallest quantity of a substance,which can exist by itself in a chemically recgonizable form is known as ..... A. Element. ... Which of the followin fuel has the heighest calorific value..... A. Peat. B. Coke. C. Bituminous coal. D. Anthratic coal View Answer. C.Bituminous coal