Why diesel engine has more torque?

The longer the stroke in the combustion cycle, the higher the torque output of the engine is.

Well, with a long stroke, the piston going back down in the powerstroke allows diesel engines to produce more torque.

Compression Ignition: Diesel engines unlike petrol engines, do not use a spark plug to ignite the fuel.

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Why does a diesel engine produce more torque than a petrol engine?

The cylinder pressures when the fuel fires are higher, up to twice the pressure in a petrol engine, meaning the piston is pushed down with more force and turns the crank with more torque. The piston stroke of a diesel engine is longer, so there is more leverage on the crankshaft, thus it turns th...

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How do you get more torque out of engine?

just throw in a turbo charger

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Has diesel got more fuel energy than petrol?

Actually diesel fuel has a slightly lower amount of energy per weight than gasoline (45.3 vs. 47.2 MJ/kg). Cylinder pressure is what gives diesel engines their power, that is why diesel engines parts are so much stronger/heavier than gas similar sized gas engines.

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What has more fuel energy petrol or diesel?

Gasoline has more energy per lb than Diesel.

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Why does diesel cost more than gasoline?

Diesel costs more then gasoline because it uses more petroleum to make it. Also, diesel costs more then gasoline because it has about 20% more energy then the same amount of gasoline.

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What truck has the best diesel engine?

Here is a brief review of the top five best diesel trucks money can buy. 2018 Dodge Ram 2500/3500 Heavy Duty (HD) 2018 Ford F-150 Diesel Pickup. 2018 Chevrolet Silverado 2500/3500 Heavy Duty (HD) 2018 GMC Sierra 2500/3500 Heavy Duty (HD) 2018 Ford Super Duty. 6 comments.

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Why is diesel more viscous than petrol?

Because it's made lower down on the 'cracking tower' . -The higher gas is vented off, the less viscous it will be.

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Which heat engine has more efficiency?

Carnot's heat engine has more efficiency then the other heat engine but it is assumption. Is is not real.RGUKT IIIT NUZVID: N091528

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Who has the best diesel engine?

Our Picks for the Best Diesel Pickup Truck Engines of the Last Two Decades Chrysler. 3.0L EcoDiesel. Cummins. 5.9L 12-Valve. 6.7L 24-Valve. Displacement: 6.7L (408ci) 5.0L. Displacement: 5.0L (305 ci) Duramax. 6.6L LBZ. 6.6L LML. Displacement: 6.6L (403ci) Navistar/Ford. 7.3L Power Stro...

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Does more torque mean more speed?

More horsepower generally means a car has a higher top speed, while more torque generally means a car can accelerate faster.

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Does more cylinders mean more torque?

Typically, the more cylinders an engine has, the higher the RPM's it can attain for a given displacement and technology level, at a cost of increased friction losses and complexity.Peak torque is also reduced, but the total horsepower is increased due to the higher RPM's attained.

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What truck engine offers more pulling power gas or diesel?

Here's the rule: Gas goes faster, but diesel hauls heavier loads. There is much more energy in diesel fuel than in gasoline. Diesel engines can be hard to start in colder weather, and they leave plumes of black smoke in the air, sometimes.

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Do diesel cars generally cost more than gasoline engine cars?

Diesel cars do tend to cost more in general than gasoline engine cars. The claim on this is that it is more expensive to create and manufacture these vehicles, and due the fact that diesel vehicles are more fuel efficient.

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How much more air does a diesel engine require?

Diesel engines have no spark plug.They need high compression ratios to generate the high temperatures required for fuel auto ignition (the higher the cetane number, the better the ignition).Compression is much higher with a diesel engine (14:1 to 25:1) than a gasoline engine (8:1 to 12:1).

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How do you add more torque?

by tuning/upgrading your engine.

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Does more torque mean faster acceleration?

More horsepower generally means a car has a higher top speed, while more torque generally means a car can accelerate faster.

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Why is diesel more expensive than gasoline in the US?

Diesel fuel is heavier and less volatile than gasoline, which makes it simpler to refine from crude oil.As a result, diesel tends to be cheaper than gasoline in most countries around the world.For example in the USA the federal excise tax on gasoline is 18.4 cents per gallon and 24.4 cents per ga...

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How do you get more torque?

lower gears you can also add an new intake which will give your 10-20 more horse powers

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Does a longer stroke mean more torque?

Consequently the mechanical torque advantage of a long stroke is significantly diminished by the reduced force that's pushing against the piston when the leverage of a long crankshaft stroke is greatest.An engine produces peak torque at the rpm where it is most efficient.

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Which is better more torque or horsepower?

It is normal for a turbocharged engine to have more torque than horsepower.Since they relate mathematically by constant (RPM/5252), HP is Torque and vise versa.So what is really being asked is lower rpm power vs higher rpm power.For most users, the lower the rpm for a given power rating, the better.

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Do smaller tires give more torque?

Smaller wheels will always have better instantaneous acceleration, regardless of torque input than larger wheels.But for sustained higher acceleration larger wheels will go faster quicker.So bigger tyres are used when there is the torque available and sustainable rpm.

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Do smaller wheels have more torque?

Smaller wheels will always have better instantaneous acceleration, regardless of torque input than larger wheels.But for sustained higher acceleration larger wheels will go faster quicker.So bigger tyres are used when there is the torque available and sustainable rpm.

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Why would a diesel engine not start?

It's broken, it's cold, it has no fuel. Take your pick.

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Why do diesel engines run lean?

Diesel engines run on Lean mixture( air>fuel) it is because to self ignite automized diesel when injected.It is because the stiochiometric ratio for diesel engines is higher than gasoline engines.The fuel air mixing takes in the combustion chamber itself and is not a homogeneous mixture.

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Why are diesel engines loud cold?

However, during cold start and warm-up at low exterior temperatures, many diesel engines still produce an unpleasantly noisy knocking sound.Under cold operating conditions, a considerably higher cylinder pressure gradient results in a louder and more unpleasant combustion noise.

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Why do diesel engines have no vacuum?

Diesels don't create a vacuum because they don't have a carburetor/throttle body.It is the Venturi effect that actually creates the vacuum.That is why a vacuum pump is required for the TH400 transmission and also a hydroboost brake system is required.

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Why do diesel engines have less horsepower?

Why Diesel Engines Produce Higher Torque than Gas Engines.Cars with diesel engines generally struggle to compete with their gasoline-powered counterparts, which have higher horsepower and accelerate faster.Combustion: A gas engine compresses a fuel-air mixture and then ignites it with a spark.

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Which Engine used more and why?

If Engine is referring to search engine its Google inc. because they are really popular because they've been on the Internet a long time.

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Why are 3 cylinder engines more efficient?

Optimized for Fuel Efficiency A 3 cylinder engine is much more fuel efficient compared to a 4 cylinder engine of the same size.This is because of two primary factors, reduced frictional losses and lighter weight.Even the crankshaft constructed to hold the pistons is lighter.

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Why are two stroke engines more powerful?

A two stroke engine can produce twice the amount of power (and makes twice as much noise) than a four stroke engine of the same size.This is because it fires once every revolution, giving it twice the power of a four stroke, which only fires once every other revolution.

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Why is Diesel engine hard to start?

Diesel engines have a much higher compression ratio than a petrol engine, meaning that they compress a larger volume of air into, for arguments sake, the same space as a comparitive petrol. This requires more torque to turn the engine over but results in a bigger bang. Which is why they are hard ...

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Why was the diesel engine important?

And diesel engines are attracting greater attention due to higher efficiency and cost effectiveness.The distinction lies in the type of ignition.While gasoline engines operate on spark ignition, diesel engines employ compression - ignition for igniting the fuel.

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Why is diesel engine oil in water?

Cracked injector cup(s) are a distinct possibility here.

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Why not diesel engine is spark ignited?

A gasoline injects fuel into the cylinder as it is filled with air, compresses it, then ignites the spark plug to trigger the power stroke.In a diesel engine air is compressed up to 3 times more causing a much higher cylinder temp. Once the air in the cylinder is hot diesel fuel is injected direc...

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Why are diesel engines used in trucks?

Diesel produces high levels of torque at lower RPMs, making it much more ideal for pulling heavy loads.

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Why won't my diesel engine shut off?

If the valve is working properly and the vacuum is not being bled off by some leak somewhere in the system - then your engine should shut off quickly.The number one reason for your diesel engine suddenly failing to shut off is loss of vacuum to the fuel injection pump shut-off valve.

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Why is a diesel engine heavier than a petrol engine?

Diesel fuel requires a huge amount of compression to make it ignite. Because gasoline is more flammable, and gasoline engines incorporate spark plugs to light the fuel, they don't need to compress the gasoline as much. The force of the compression requires that diesel engines have thicker and str...

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Why has your engine frozen?

it hasn't?what does yous means?

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Do diesel cars pollute more?

Emissions from cars are greatest when an engine is cold.Overall, diesel cars emit less hydrocarbons, carbon monoxide and lead pollution than petrol cars, but produce more noxious gases and significantly more particulates.

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Is diesel more fuel efficient?

Diesel engines are more fuel-efficient and have more low-end torque than similar-sized gasoline engines, and diesel fuel contains roughly 10% to 15% more energy than gasoline.So, diesel vehicles can often go about 20% to 35% farther on a gallon of fuel than their gasoline counterparts.

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What car has the most torque?

Highest Torque Cars: 2012 Bugatti Veyron16.4 Grand Sport Vitesse. Bugatti Veyron 16.4 Grand Sport Vitesse WRC Edition (Source: Bugatti) 2011 Fisker Karma Hybrid. 2014 Porsche 918 Spyder. 2010-13 Koenigsegg Agera. 2015 Bentley Mulsanne Speed. 2008 Koenigsegg CCXR Edition. 2007 Bentley Br...

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What truck has the most torque?

i would have to say a dodge 2500 v10 has the most stock torque. it even has more than any diesel.

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What happens when you have more torque than horsepower?

Again, depending on the overall gear ratio, horsepower is the most important measure.Because of the math, an engine that is tuned to have peak horsepower below 5252 RPM will ALWAYS have more torque than horsepower, and engines with peak horsepower above 5252 RPM will ALWAYS have more horsepower t...

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How much hp torque mpg will a 1.5 liter twin turbo direct injection 4-cylinder diesel engine have?

No way to answer.Horsepower - factors include the fuel type (e.g., straight diesel vs. straight biodiesel, with the latter having a 12% lower BTU rating, etc), the engine make and model and year, air intake, injectors, turbo displacement, ECM programming, etc.Torque - dependent on the same factor...

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What is more important torque or KW in a car?

Usually, the more kilowatts an engine produces, the faster a car will accelerate.Torque is best considered as the measurement of power at any given engine speed and the one that gets you moving, whereas power is the measurement of how fast torque is being used.

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What does engine torque mean?

Torque is the amount of “turning power” you have, in the same way that you turn a wrench.369 foot-pounds means that if you had a wrench that was 1 foot long, and applied a force of 369 pounds directly perpendicular to that wrench, you would get 369 foot-pounds of torque.But what can the torque do...

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Why has my engine oil turned gray?

If it is a whitish-grey colour then possibly you have blown the head gasket of your engine....expensive job to fix. Basically it can "blow" by overheating - which means the gasket get ruined...fails to do its job and the radiator water flows through the engine sump rather than "around it"...hence...

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Your engine has knock when cold why?

It could be that the timing is off. You may need to retard it.

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Is it better to have more torque or horsepower?

Horsepower equals torque multiplied by rpm, divided by a constant.Because there is generally a limit on how fast you can spin an engine, having higher torque allows for greater horsepower at lower rpms.This is also why people talk about “low-end torque” being important for better power at slower ...

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How do I get more low end torque?

How to Increase Low End Torque? Change the flowing exhausts and intake systems. Replace these components with a new one if you find any damage. Install some high-quality spark plugs. Replace the ignition lead with a better one. Retune the air/fuel ratio (AFR) and the ignition timing maps.

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Do electric cars pollute more than diesel?

All vehicles produce substantial life cycle emissions, and calculating them is complex.However, EVs typically produce fewer life cycle emissions than conventional vehicles because most emissions are lower for electricity generation than burning gasoline or diesel.

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What is more economical petrol or diesel?

Because diesel engines have more torque and superior fuel economy, they are often better for large SUVs.Diesel engines (particularly older ones) can be quite noisy in comparison to petrol engines.Diesel cars tend to be more expensive than their petrol equivalents because diesel motors are more ex...

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Do diesel cars need more maintenance?

Diesel maintenance generally will not cost you more than for a gasoline powered version, depending upon the type of diesel car that you have.One of the things that you may notice with a diesel car is that it needs to be maintained much less often than a gasoline car.

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38 liters of petrol has been added to the fueltank with approx the same amount of diesel. can more diesel be added and vehicle run?

Drain all fuel from the tank and fuel lines and put in diesel. Engine damage will occur if you run gas in a diesel engine.

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Who was Rudolf Diesel and why did he invent the diesel engine?

Rudolf Diesel was a German engineer and inventor. He was trying to find a way to improve the internal combustion engine.In 1892 he invented the first compression ignition engine, which ran on a powder made of finely ground coal dust. It was new technology - mainly because it did not require a spa...

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How is engine torque calculated?

Torque is a twisting force that rotates or turns an object, like a wheel.Once we're able to measure torque, we can then measure horsepower.The formula is simple: Multiply torque by the engine speed (measured in rpm), then divide that by 5,252 to get the horsepower at that rpm level.

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Are diesel pickup trucks more fuel efficient?

Yes a diesel pickup truck will be more fuel efficient than those that run on normal fuel. Diesel is designed to run longer than the regular fuel however it comes at a higher cost.

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Why diesel engine is not used in small locomotives?

I am not an expert but my understanding is the electromotive configuration is better suited to locomotives. An internal combustion engine is used to run a generator or alternator and the electricity then runs the electric motors that drive the wheels.+++The diesel engine IS used in small locomoti...

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Why are diesel engines so noisy when they are running?

Diesel engines are inherently noisy due to the method in which they burn fuel. Unlike spark ignition engines, compression ignition engines run much higher compression ratios, about 18:1 as opposed to gasoline engines which typically run a 10:1 ratio.This means that a diesel compresses a larger vo...

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Why does your diesel engine race by its self?

usually there is a fuel leak internally however it can also be an air leak

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Why do diesel engines make so much noise?

Petrol engines have spark plugs in the cylinders which initiate combustion.In the case of diesel engines, the fuel is ignited by compression only, with no external source of spark.Hence the combustion in diesel engines are more violent and spontaneous, producing higher vibrations.Hence diesel eng...

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Why a Detroit Diesel engine vibrate when accelerate?

Something is out of balance. Check to see if a fan blade is missing.All engines will vibrate due to the rapidly moving parts. An engine should be securely mounted on fixtures that dampen vibration. Rubber mounts are an ideal example.

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Why diesel is not used in petrol engine?

Petrol has higher auto ignition temperature and it won't burn at the compression ratio of a diesel engine without external help.So, the engine won't run.Whereas when you use diesel in petrol engine, it's dangerous.Diesel burns with more power and it may damage the engine partly or completely.

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Why is idling bad for a diesel engine?

Unnecessary idling wastes fuel, causes air pollution and increases engine wear.An idling diesel engine produces much higher emissions than it would while using the same amount of fuel under load.Extended idling causes a build-up of soot inside the engine and results in a puff of black smoke when ...

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Why turbocharger is only used in diesel engines?

On a diesel engine, the turbo isn't primarily there to increase power.It's the primary pollution control device on the engine.Gasoline engines work by feeding a fuel-air mixture into the cylinder, compressing it and igniting it with a spark.

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Why does oil turn black in diesel engines?

It is normal for diesel motor oil to turn black quickly.The dark color is a sign that the oil is performing correctly by keeping byproducts of the combustion process in suspension.

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Is petrol or diesel more environmentally friendly?

Diesel contains more carbon than petrol but carbon dioxide (CO2) emissions of diesels tend to be lower.So by giving motorists incentives to buy more diesel than petrol cars the EU hoped this would help to reduce greenhouse gas emissions.The tax on diesel fuel is also lower than petrol.

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Why mostly turbocharge is used in diesel engine?

Diesel engines are unable to draw enough air in with out some sort of supercharging to make significant usable power levels.Turbocharging is the most efficient way to offset this problem.

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Why old diesel engine cars had a low millage?

Back before MPG was important diesel was used because it was inexpensive. So the car engines were not designed to have good MPG, they were designed to run well and be as similar as possible to how a gas engine preformed. Now MPG is important, and since you can get much more power out of diesel, s...

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Why do diesel engines need a vacuum pump?

The engine pulls air into the cylinders at the full ambient pressure.More vacuum is created in some situations.Such devices are necessary for engine braking with a diesel as they lack a throttle to restrict the air flow enough to create sufficient vacuum to brake a vehicle.

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Why does diesel engine have a higher compression ratio?

The diesel engine doesn't require spark plug to generate power, instead, the high compression ratio is enough to ignite the fuel.To self-ignite the engine; the higher compression ratio is required.Moreover, the diesel is highly volatile and only air compression is enough to ignite the fuel.

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Why is cars engine are more powerful than bike?

Generally they are larger.

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Why does more engine power result in faster acceleration?

you are introducing more gas to the engine, which gives it more fuel to burn, resulting in more power. and engines have a certain rpm that they run best at. each engine has its own sweet spot in rpm.

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Why does a cold engine need more fuel?

When your car engine is cold, the fuel injectors send more fuel through the system.As the engine warms, it needs less fuel to run efficiently.So the longer you let a cold engine idle, the more fuel you waste and the more you increase the chance of fuel residue build up.

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Why diesel cannot be used in petrol engine?

Two main differences:The fuel intake system is different and the firing mechanism is different.First, Petrol engines fire using spark plugs instead of heat and compression, and they might not get the diesel fuel to ignite fully if the compression is too low.Second, Diesel fuel has different visco...

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Why is a turbocharger used on a diesel engine?

To increase mass of air delivered to each cylinder (by increasing air pressure). More air means more fuel can be injected into each cylinder hence producing more power for given engine size and as a by product it also improves efficiency.Inter-coolers provide further power increase by reducing ai...

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Why does a diesel engine have no spark plugs?

So in petrol engine, the air fuel mixture is sent into the engine cylinder and the mixture is ignited by the spark generated by the spark plug.Diesel engines don't require any spark plug because the required heat to ignite the fuel is generated due to compression of air.

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Why a Rotary Engine is More Efficient than Piston System?

It is more mechanically eff. because it runs like a 2 stroke vs. a normal 4 storke engine. A rotary engine is less efficient when it comes to emissions. That is why the olde 13B RX7 was discontinued.

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Why are electric motors more efficient than combustion engines?

electric motors lose very little power from friction, they also make more torque at a lower rpm than gas engines, they also require little maintenance and pollute less.

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Why is it more efficient for car engines to have more cylinders?

That's not always the case.For efficiency - to get the most useful energy out of every drop of fuel - there's an ideal size of the combustion chamber. Make it smaller, it tends to go a bit cold and combustion gets poorer, make it bigger it's harder to get all of the gases in and out.and combustio...

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Why does the American government prevent auto manufacturors from bringing more diesel vehicles into this country?

Because we should be building them here, not sending more money overseas.

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How do you start a diesel engine that has been sitting for six years?

I have the same question but I'm 14 I'm a mechanic at our house. My truck is 1990 Chevy

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Why are new car engines more powerful than older?

It's because the new car engines are newer and aren't used like the old ones, so the new ones can work faster and more powerfully.

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Which Korea has more cars?

South Korea has far more cars than North Korea.

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What has more kinetic energy?

First, heavier objects that are moving have more kinetic energy than lighter ones: a bowling ball traveling 10 m/s (a very fast sprint) carries a lot more kinetic energy than a golf ball traveling at the same speed.It turns out that an object's kinetic energy increases as the square of its speed.

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What mining torque in the car engine?

sometimes your bum gets scabs but i think the main reson is because cylinders are to rolly so it interfears with the moistness of the car engine if you didnt know that you should have been in grade one

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What is torque of an car engine?

the bottom part of the car is itA:Torque is grunt, the pulling power of the engine, measured in Horse power.

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Why do we need torque?

Torque is what helps spin the crankshaft to help provide power to the vehicle.At lower speeds, torque is what helps drivers move.While horsepower is important, torque is just as crucial because it determines a vehicle's speed and power, which comes in handy for an SUV hauling heavy equipment up a...

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Did Rudolf Diesel invent the diesel engine?

yes he didThe correct answer is no he did not.This is often a misconception as Rudolf Diesel has been accredited by many[wrongly] as the inventor of the diesel engine,the correct answer is,Herbert akroyd Stuart invented the diesel engine,in 1886 he designed and built a working diesel engine,almos...

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Why is more oil required to operate a two cylce engine than a four cycle engine?

Because with a two cycle engine the oil is burned with the gas mixture, while the four stroke if in good working order will consume little to no oil because it performs its purpose in a bath system. Meaning that it constantly coats the moving parts.

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Why do you use Diesel Engines to pull heavier loads petrol engines for higher speeds?

Becouse a diesel engine has no spark plugs to foul under a heavy load, and a heavy load can work in the diesel engines' favor because it uses compression not combustionBecouse a diesel engine has no spark plugs to foul under a heavy load, and a heavy load can work in the diesel engines' favor bec...

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Where does engine torque come from?

Toruqe is the amount of rotational force the engine generates

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How do you control engine torque?

In case of Bikes: By increasing the gear ratio from the main transmission point. As the torque and speed ratio is inversely proportional so increasing the teeths of the rear end gear to the main engine gear will increase the torque simultaneously it will also reduce the pick up

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How do you increase engine torque?

Here are the most effective ways we've found to boost your truck's power. Clean House to Increase Horsepower. Perform a Tune-Up on the Engine. Install a Turbo Kit or Supercharger. Install a Cold-Air Intake. Install an Aftermarket Exhaust System. Buy an Engine Tuner.

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Who has more oil in the world?

1.Venezuela - 300,878 million barrels.With 300,878 million barrels of proven reserves, Venezuela has the largest amount of proven oil reserves in the world.

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Why do you think the computer has changed more rapidly than the car?

say who?computers have been around since the 40's,it was until the 80's than they became common place in house holds cars in general have...

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Why a motorbike has more sound as compared to a car?

A motorbike is louder than a car because the exhaust system is shorter in the bike.

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Does on road diesel weigh more than off road diesel fuel?

No. The only difference is a red dye added to off-road diesel to denote non-taxable use.

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Why does a car use more petrol when it has a load?

When the car is loaded, more energy is needed to propel it. A loaded car feels sluggish so you have to press the gas pedal more, so more fuel is used.

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Is diesel engine noisy?

Diesel engine noise is referred to as a Clatter or Knock.Higher noise levels in a diesel engine could be due to combustion noise.Combustion Noise is due to rapid build up of pressure inside a diesel engine during combustion stroke.Its Because they work in a different way when compared to gasoline...

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