How do motors on hydrogen cars differ from combustion or hybrid engines?

1 Answer

Answer :

Like a gas combustion engine, a hydrogen engine relies on the combustion process - in this case, combustion that results when hydrogen is combined with oxygen. Fuel cells in a hydrogen-powered car then convert this mechanical energy into electrical energy.

Related questions

Description : How long do the engines in hybrid cars usually last?

Last Answer : If properly maintained, hybrid engines can last 10-20 years or even longer. The battery will need to be replaced, however. With a hybrid car, the concern is generally with the lifespan of the battery ... of the car. The engine should also last for the car's lifetime if it is properly maintained.

Description : Match List -I (Bearings) with List-II (Applications) and select the using the codes given below the lists: [IAS-1998] List -I List-II A. Journal bearing 1. Electric motors B. Thrust bearing 2. Watches C. Conical pivot bearing 3. Marine ... D (a) 3 4 1 2 (b) 4 2 1 3 (c) 3 4 2 1 (d) 4 2 3 1

Last Answer : (c) 3 4 2 1

Description : What chemical/physical properties help compare fuels in combustion engines? and how to apply them.

Last Answer : The ratings for fuel energy, flame propagation, combustion speed are based on comparison with octane in gasoline and pentane or cetane (depending on the applicatton) for diesel or jet fuel.. ... are many textbooks on petroleum technology, the Wiki article and references give a good starting point.

Description : As a result of detonation in Internal combustion engines the following parameter attains very high value. a. peak pressure b. rate of rise of pressure c. rate of rise of temperature. d. peak temperature.

Last Answer : ANSWER b. rate of rise of pressure

Description : For the best results of efficient combustion, high speed diesel engines need an approximate cetane number of a. 100 b. 50 c. 10 d. 5

Last Answer : ANSWER b. 50

Description : Scavenging air in diesel engine means a. air used for combustion under pressure b. forced air for cooling the cylinder c. burnt air containing products of combustion d. air used for forcing burnt gases out of the engines cylinder during the exhaust stroke

Last Answer : ANSWER d. air used for forcing burnt gases out of the engines cylinder during the exhaust stroke

Description : Which of the following best describes both Stirling and Ericson engines?  a. Internal combustion engine  b. External combustion engine  c. Diesel cycle  d. Rankine cycle

Last Answer : External combustion engine

Description : Explain the various stages of combustion in SI engines.

Last Answer : The stages of combustion in SI engines Stage I:-Ignition Lag or Preparation Phase. Stage II: - Propagation of flame. Stage III: - After burning. 

Description : Discuss in brief process of combustion in SI engines with a sketch.

Last Answer : Combustion In S I Engine According to Ricardo, There are three stages of combustion in SI Engine as shown in figure above 1. Ignition lag stage 2. Flame propagation stage 3. After ... combustion is known as after burning. This generally happens when the rich mixture is supplied to engine. 

Description : Longevity of Hybrid Engines?

Last Answer : Hybrid engines are known for their longevity and high quality. When you buy a hybrid car, you will not have to worry about your car randomly breaking down in the middle of the road. It is actually ... cars. People who desire a low maintenance car that is also eco friendly should invest in a hybrid.

Description : Why do cars in America have such big engines?

Last Answer : American muscle. Learn to love it.

Description : Are deisel engines "greener" than gasoline engines in cars?

Last Answer : Yes Diesel is much greener than gasoline engines

Description : Are Mazda cars available in diesel or gas engines?

Last Answer : Mazda cars require gas for their engines, not diesel. They also have hybrid vehicles, which run on both electricity and gas, but not diesel.

Description : In parallel hybrid vehicle Internal Combustion Engine and electric motor are coupled by a …………………..device. a. Hydraulic b. Pneumatic c. Mechanical d. Electric

Last Answer : c. Mechanical

Description : The BAS mild hybrid system used………. To start the internal combustion engine. a. Belt drive b. Chain drive c. Direct drive d. None of the above.

Last Answer : a. Belt drive

Description : Hydrogen can be (A) Used in I.C. engines as fuel (B) Liquefied & stored under cryogenic conditions (C) Produced by electrolysis of water (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Description : What year do you believe hybrid, and electric cars will lose their exempt status to cruise in the carpool/HOV lanes?

Last Answer : answer:I don't see that happening for at least a decade, and probably closer to two. There is still considerable mystery and stigma attached to electric vehicles (EVs), and a ton of misconceptions about them that ... when 10% of the US motor fleet is electric. I'd guess 2030, give or take 5 years.

Description : If cars could think and dream, would they want to be a weenie hybrid, or a Mustang Cobra GT500?

Last Answer : I want the Shelby 750 HP version. I don’t mind a little whiplash.

Description : Would anyone else be more impressed with the drivers of hybrids if their cars looked no different from the non hybrid version?

Last Answer : all cars should look like hybrids. or like this

Description : Why do people bother with hybrid cars?

Last Answer : It’s evolving technology. you just saw the first generation of hybrids. Subsequent developments are going to improve performance, weight, and power. Next year’s Prius models will get 50 MPH. Also, how is a Ford Fiesta any less harmful to dispose of?

Description : It's a very hot topic lately, you can apply for all kinds of subsidies, etc. What are your opinions about it in terms of price / value? 

Last Answer : I think it's very useful and environmentally friendly

Description : Do hybrid cars use drum brakes?

Last Answer : Many, but not all. They cost less and the energy from braking the spinning drum is funneled into the car's battery.

Description : How much less gas do hybrid cars use?

Last Answer : You can save about 30% of gas using a hybrid car. Read more at # www.howstuffworks.com › Auto › Car Models › Hybrid Cars

Description : Do hybrid cars cost more to maintain than a conventional car?

Last Answer : Hybrid cars cost more to maintain than a conventional car. You can get more information about this at www.hybridcars.com/cars.html Hybrid cars are a bit more to maintain than a conventional gas powered. The cost will come down as the technology becomes more widespread.

Description : What are the best hybrid cars for under $20,000?

Last Answer : Hyundai is a really good company for hybrid cars. Hybrid cars are gaining popularity and there are more options in todays market. You can always find an older model or used car for under $20,000.

Description : Where can I test drive hybrid cars?

Last Answer : Any auto dealer would be happy for you to come in and drive the maker's hybrid model. Decide which two or three are of the most interest, and then stop by the dealership in your area.

Description : Do used Hybrid Cars get good gas mileage like the new ones do?

Last Answer : Yes, but beware that the battery that provides the electrical portion of the power will need to be replaced before the end of the car's useful life, so factor that into your cost calculations.

Description : Are hybrid cars available for rental a major city airports?

Last Answer : Yes you can find hybrids available for rental with most of the major car rental agencies (Avis, Hertz, Alamo, National - name a few). The availability will vary by location. When you make a reservation ... a specific type of hybrid car (rather than only a car category such a mid-size, compact).

Description : Are hybrid cars more expensive to repair in the future?

Last Answer : In the future, hybrid cars will cost roughly the same to repair, as there will be many more on the road.

Description : What brands of 2012 hybrid cars are the most eco-friendly?

Last Answer : The Toyota company is ranked as the most eco-friendly car company. The Toyota Prius Plug-in Hybrid gets 71 miles per galloon! It will come out in the year of 2012 and it is about $32,000.

Description : Could you inform me about 2012 hybrid cars?

Last Answer : Hybrid cars are cars that have more than one source of power that moves the vehicle. According to most rankings, the best hybrid cars of 2012 are the Toyota Prius series, the Ford Fusion Hybrid and the Honda Civic Hybrid.

Description : Learn About Hybrid Cars?

Last Answer : Hybrid Cars and the EnvironmentAs the popularity of hybrid cars increase, car companies are making further efforts to improve the way they create vehicles. Understanding hybrid cars and what it means for ... the eco friendly aspects and the cost savings, hybrids are great vehicles for many owners.

Description : Are used hybrid cars efficient in fuel and friendly to our environment?

Last Answer : Absolutely. Used hybrid cars are just as useful as used gasoline cars. There are fears that the batteries are "used up" in used hybrid cars, but the lifetime of the batteries is very long and this should not be a problem.

Description : What luxury hybrid cars are available?

Last Answer : DreamCloud: the luxury hybrid mattress combining the best of latex, memory foam, tufting and coil technology to provide the best sleep money you can buy. To view the offers, click here is.gd/cYDaY7

Description : How long do batteries in hybrid cars last?

Last Answer : Is it thought that most hybrid batteries will last to the 120000 mile mark. Since hybrid vehicles are a relatively new phenomenon, little long term testing has been done. Battery technology continues to improve though, so it is likely that later models may have even longer battery lives.

Description : What are some advantages of hybrid cars?

Last Answer : The advantages of owning a hybrid car include: spending less on gas and repairs and contributing less pollution on the earth. Hybrid cars are the futuristic advantage of owning a vehicle.

Description : Do hybrid cars run on electricity?

Last Answer : No, the hybrid cars do not use as much gas as a regular car. Electric cars use a number of batteries to store usable electricity to cut the need of gas to power cars by a significant fraction.

Description : Are the Hyundai hybrid cars long lasting?

Last Answer : Yes, they are meant to last very long. Hyundai hybrid cars have a 5 year warranty or up to 60000 mile warranty versus the traditional 4 year, 500000 mile warranty on most vehicles so they are meant to last.

Description : Are there any diesel electric hybrid cars that are environmentally friendly?

Last Answer : No, according to http://www.autoevolution.com/news/how-diesel-electric-hybrids-work-and-why-they-aren-t-on-sale-yet-20472.html the reason why there are currently no diesel electric hybrids is because they are too expensive to make.

Description : What kind of gas milage do hybrid cars get?

Last Answer : There are many different hybrid cars on the market today. Most hybrid cars range from 30 to 60 miles per gallon. The miles per gallon can also vary depending on location and the types of roads you are driving on.

Description : Where to buy hybrid eco friendly cars?

Last Answer : You can compare various hybrid cars from all different car companies online. This will give you an idea of the different types of hybrid available. When ready to purchase a hybrid, find the nearest dealership for that brand of car closest to you. You can find them online or in a phone book.

Description : Are hybrid cars environmentally green?

Last Answer : Yes, Hybrid cars are a great environmentally green friendly car. They are fuel savers and even some require no fuel which these are the electric versions. These are the best green type cars available and everyone wants one for a good price.

Description : What hybrid cars does Toyota make?

Last Answer : There are three types hybrid cars that are produced by Toyota. One is the Prius which is the most popular and most efficient. Toyota also makes a hybrid Highlander and Camry.

Description : Are there any BMW hybrid cars in the market?

Last Answer : There are only three that I know of. The ActiveHybrid 750i, Activehybrid 750Li ad the Active Hybrid X6. If you go onto www.BMWUSA.com, you can build any of those vehicles to your specofocations.

Description : Where can I find a list of hybrid cars on the market?

Last Answer : The wikipedia page http://en.wikipedia.org/wiki/List_of_hybrid_vehicles has a comprehensive list of all the hybrid cars on the market so you can get info there.

Description : Which hybrid cars are the safest?

Last Answer : The following cars got 5 out of 5 star safety rating: Mercury Milan (Car), Ford Fusion (Car), Ford Escape (SUV), Honda Civic (Car), Nissian Altima (Car), and the GMC Yukon (SUV)

Description : Where can I find the best used hybrid cars?

Last Answer : I would reccomend either a used car dealership or if you are looking online edmunds.com is a good website to find the best used hybrid cars available for cheap.

Description : What is the future of hybrid cars?

Last Answer : I believe the future of hybrid cars is very positive. With gas being so expensive, they are a great cost effective alternative to regular vehicles using gas.

Description : What are hybrid cars and who makes them?

Last Answer : The following article I am including is primarily directed to the question at hand. It is devoted to hybrid vehicles and how they work. The article can be found at http://vehicle.ezinemark.com/hybrid-cars-what-makes-them-work-31f0047eca4.html

Description : Are the cost of hybrid cars better than electric and conventional cars in all situations?

Last Answer : The cost of a hybrid car is about 30% more than a conventional vehicle. Please see the following for additional information: www.alternate-energy-sources.com/hybrid-cars.html -