Combustion Engines

Combustion engines are not only used in road vehicles but also trains, ships, aircraft, military and construction machines.

3,490 Questions
Mechanical Engineering
Combustion Engines

Is Youngs modulus the same as elastic modulus?


Fuel and Engines
Combustion Engines

What are stages of combustion in CI engines?

Intake, compression, power/combustion, exhaust.

Same as a standard SI (Spark Ignition)

CI (Combustion Ignition) is how diesel operates. They contain no spark plugs.

The compression heats the fuel to the point of SELF COMBUSTION .

Fuel and Engines
Oil and Oil Filters
Dodge Ram Van
Combustion Engines

Is a Gumout engine flush worthwhile?

Make up your own mind but here are 12 of the best opinions#1Sometimes it depends on how many miles there are on your vehicle. It can do some harm by removing too much. An old way I know and do myself is to add one quart of transmission fluid, drive around for an hour or so, then change the oil. It is a softer way to clean the engine instead of those heavy duty engine flushes. Seafoam carb and injection cleaner works great too. I used it in my lawn mower motor and in the gas. Hope I helped! #2No, I do not recommend that anyone put gumout engine flush in their car. It was recommended to me at a professional oil change shop. I pulled out of the parking lot and 15 minutes later my car slung a rod because it had broken oil loose but it didn't all go out with the flush. Instead it clobbered up on other parts and stopped oil from moving through my engine at all. Now I'm having to take this matter to court in order to have my car repaired. #3We had the engine in our 1996 Dodge Caravan (110,000 miles) flushed with Gum Out this summer, and it ruined the engine. We had to purchase a new vehicle. We are negotiating with Speed Lube to pay for the ruined vehicle. #4Never flush an engine -- change your oil faithfully or better yet invest in synthethic oil on your changes and you won't have to think about flushing it. When you "flush" the oil, the slop (especially if your not faithful to oil changes) will go to the oil pan. It then plugs up the oil pump and starves the motor for oil until it cooks it. #5Yes, I think the flush is worth while. MAny "SUV" or truck owners I deal with either neglect or ignore the proper maintenance recommendations on their vehicle. I have dealt with between oil changes going 4k-10k before they come into my shop. Virtually all the oil has burned or sludged to the point it is caked under the valve cover. For those individuals I say "flush away"! #6The oil pressure on my 90 Ford Aerostar would drop to 0 at idle after the engine was warm. Suspecting the pressure relief valve in the oil pump was stuck, I added a quart of Gumout Engine flush as instructed on the can. Not only is the oil pressure back to normal, the fuel mileage has improved. My guess is the lifters operate more efficiently. #7ok for those who said that gumout can can kill your engin....

I agree it is possible for the sluge to go into your oil pump and cause it plug up, but if you read on the back of the can it says if your vehicle has more than 50,000 miles on it you need to take the oil pan off and clean all the excess sluge off, this will fix your problem with puging up your oil pump, unless it just happend to do it while your flushing your engine in the five min. another thig to stop this is to put a new oil filter on before you begin to flush, because your old filter most likely cant filter enough. Once the flush is done put another oil filter on

#8I'd have to say the tranny fluid in the oil is the best idea so far. To prevent the problem I also agree on using synthetic oil. Use store brand synthetic if you're frugal. Basicly, if you need to use gumout, you've been abusing your engine anyway. Had a 4L Jeep and a 5L Chevy k1500 die after gumout clogged the small channels used to distribute the oil - so about 6-8k miles later, the valves were burning up and the engine started braking internal components. And that's with removing the oil pan on both, and changing the sump screen, oil filter, etc. #9You know I have been using the product for years . There are a couple of things to keep in mind . The main one is if this is not a routine thing then it will have to be flushed twice and the filter changed in between flushes . What happens is the flush itself doesn't ruin your engine the debre in your engine does . Everyone that has a problem after one flush is due to the engine is so nasty on the inside gunk disolves everything , but it is not drained out the oil pan . You can blame it on the flush or you can blame it on how many times you have missed an oil change at 3500 intervials . If you think changing the oil at every 3500 miles is all there is don't get me started on the air filter , breather filter , pcv valve , and fuel filter ! #10I've read everyone's answers and most of them seem to address that unless you have kept up the proper maintenance on your vehicle and that it's the sludge buildup that kills your engine and not the flush, are there any special care instructions written in the directions and if so shouldn't they perform these precautions at the service businesses when the service is being offered? Has anyone contacted a rep at the services corporate offices or Pennzoil-Quaker State company to confirm this? It just seems to me that there's allot of guessing going on as to why a few people have had egine problems after using the product. I personally have used the service after 80,000 miles on my Chevy pickup and have not had a problem since. #11Any "engine flush in a can" has the potential to cause problems. As others have said, the loosened sludge, carbon and particulate will only end up in the sump to cause problems later. (It will also break down the surface tension of the oil.) 10% of the old oil remains in an engine after an oil change. That 10% is in the casting cavities and the bottom of the sump.There is only one safe flush system which, unfortunately, is not available in the USA. Best solution for automobile owners-Buy a cheap oil, run it 500 miles and change the oil and filter. Do that 3 times and then go back to a good quality oil, either mineral or synthetic and use a good quality filter. #12I use kerosene. Drain a quart of old oil out and add 1 quart kero. in. Run at idle 20 mins. then drain. Next, pour 1 quart of oil in the engine with the oil pan plug off so the oil drains. That helps clear out the kero. and loose debris. Then do a reg. oil change, wait 1000 miles and change oil and filter again.
Combustion Engines

What is a welding lead?

the welding lead is the cable coming from the welding machine that either feeds the wire and shielding gas (mig) or or provides current to the electrode through the holder

Scooters and Mini-Bikes
Yamaha Motorcycles
Combustion Engines

Do 50cc 2 stroke engines have engine oil?

Yes and no. 2 strokes do not have oil like a car, meaning in the crankcase. the oil is mixed with the fuel and introduced into the engine through either the carburetor or an oil injection set up. the oil/fuel mix is burned in the engine. that's why 2 strokes smoke so much.

and on most small two strokes the gearbox is a separate compartment containing engine oil like a regular engine.

Men's Health
Combustion Engines

Is a fart flammable to a candle?

Yes, it's Methane and will ignite.

Mechanical Engineering
Combustion Engines

What does BT-40 stand for in cnc?

Body taper 40

VW Jetta
Ford Ranger XL
Ford Ranger XLT
Combustion Engines

Is 2001 jetta 2.0 engine an interference engine?

Yes , the 2.0 liter is an interfernce engine ( according to the Gates website ,

they make timing belts etc . )

Fuel and Engines
Combustion Engines

What kind of engine does a Ferrari have?


Answer: An expensive one. What year/model?

Combustion Engines

What is an oil control ring and its function?

An internal combustion engine has pistons that slide up and down in each cylinder. They do this very rapidly and need oil for lubrication to prevent melting the cylinder walls.

An O-ring is a slim metal piece that surrounds the head of the piston and prevents oil from getting above the piston and being burned in the combustion chamber. This is a good thing, as the supply of oil will not decrease so quickly. This also reduces unpleasant exhaust gases and prevents the combustion gases from contaminating the oil.

Heating AC and Engine Cooling
Antifreeze and Engine Coolant
Ford Windstar GL
Combustion Engines

What could be damaged when an engine overheats?

How is your heat? Overheating can cause damage generally to head gasket, cylinder head or thermostat. See other posts regarding headgaskets in this forum. answer you can damage whole engine thru overheating but if u had no coolant leak when overheating occurred, u need to check water pump and thermostat in engine

Cars & Vehicles
Fuel and Engines
Mitsubishi Space Wagon
Combustion Engines

What causes excessive engine rev?

Driving in low gears. Pushing hard on the accelerator ("flooring it"). Going uphill. Driving with excessive weight (like a trailer). Either shift up or lay off the gas to bring your engine speed down. This is a classic symptom of a "worn clutch" in a manual transmission vehicles. The friction disc cannot transfer power under load so it slips under load causing excessive engine reving. Excessive engine RPM at idle can be caused by a vacuum leak or by a stuck Idle Air Control (IAC) valve.

Intel 8085
Combustion Engines

What are the different motorcycle engine configurations?

Here are the most common engine configurations as summarized in Timberwoof's Motorcycle FAQ.

  • Single: Called a �thumper.� Most dirt bikes, many small motorcycles, and the following BMW models: F650, R20, R23, R24, R25, R25/2, R25/3, R26, R27, R35.
  • Inline Twin: two pistons side by side.
  • V-twin: Harley Davidsons, Ducatis, Honda Hawk and Superhawk, Moto Guzzi, and a couple of Suzukis including the wonderful SV650. The 90-degree twin is very well balanced; other angles may or may not be, depending on whether the crankshaft has one pin or two.
  • Flat-twin: classic BMW design offers good balance and natural air-cooling. Also called a "Boxer" or opposed-twin engine, the firing of one cylinder helps cancel vibrations from the firing of the other cylinder. Also used by Harley-Davidson in the XA motorcycle copied from BMW during World War 2. See also the Ural - a Russian motorcycle reverse engineered from wartime BMWs. See also the Japanese Marusho motorcycle, yet another BMW copy.
  • Inline-three: Three pistons in a line. Typical examples are Triumph and BMW K75. Historically seen in Kawasaki 2-stroke form in the 1970s
  • Inline-four: Staple of the UJM or "Universal Japanese Motorcycle," found in everything from the 400cc Honda CB-1 to the 1200CC BMW K1200. In the UJM it's mounted with the crankshaft sideways; in the BMW K it's mounted with the crankshaft aimed north-south and the pistons off to the left. Imperfectly balanced, with the potential to be objectionably "buzzy" in the absence of balance shafts or vibe-damping motor mounts.
  • V-four: Honda VFR 800 (sideways) and ST1300 (longitudinal): smooth like a four and balanced like a twin.
  • Flat-six: Honda Gold Wing and Valkyrie: smooth torque monster with low center of gravity. Possesses perfect natural balance without the use of balance shafts or vibration damping engine mounts.
  • Inline-six: An awkward engine to package efficiently, but with the same perfect balance inherent to a flat 6. See the Honda CBX1000, Kawasaki KZ1300, and Benelli 750 and 900 Sei.
  • Square four: As in the Arial Square four. Four vertical cylinders arranged with the center axis of each cylinder at each point of an imaginary square as viewed from above, looking straight down. A mechanically complex arrangement that is difficult to cool with ram air.
  • V-eight: Rare. Currently only used in Boss Hoss motorcycles - usually a General Motors engine. Used in a record-setting Moto Guzzi in the mid 1950s, also occasionally seen in a custom bike, by mating two inline-4s.

In addition to the comprehensive answer above, additional flat twins (boxers) were made by the Chinese, the Russians ( BMW copies) as well as Zundapp, and one by the Japanese. Thumpers come in varying configurations- depending on the angle of the cylinder which can be nearly flat as with Aermacchi 350 and Moto Guzzi Falcone, and at an angle of around 45 degrees in Panther and BSA Sloper. Of course most other single cylinder 4-strokes vary from upright to a few degrees off vertical, such as the approx. 24 degrees of the Vincent Comet. Two-strokes have come in some weird configurations, Honda made a V3 for a few years (two cylinders nearly flat in front, one nearly vertical, like a Ducati, with three carburettors in the "V"). Also, some "inline twins" (more commonly known as parallel twins) have the cylinders "fore and aft" i.e. longitudinal, like the Sunbeam.

Mechanical Engineering
Oil Refineries
Combustion Engines

How do you calculate heat rate in power plant?

Turbine cycle heat rate is a measure of the turbine efficiency. It is determined from the total energy input supplied to the turbine divided by the electrical energy output. The energy input is the difference between the energy in the steam supplied to, and leaving from the turbine. The total energy supplied is the sum of the steam mass flow rates to the turbine multiplied by their respective enthalpies. The energy leaving is the sum of mass flow rates exiting the turbine multiplied by their respective enthalpies. Take the difference in the total energy supplied and leaving, divide by the electrical output and this gives you heat rate, typically expressed in Btu/kWh or kJ/kWh. This is easy for a single source of steam passing through the turbine to a condenser, but gets a bit more tricky for reheat turbines with multiple extractions as all the streams in and out have to be accounted for.

Nissan Pathfinder
College Degrees
Steam Engines
Combustion Engines

What is 3.2litre engine?

An engine is measured by the volume of air inside the piston bores. If you've seen an oil commercial and you see those round things hammering up and down, that's a piston. It sits in a sleeve and when it gets to the top, the plug fires, and drives it down again. That's where your drive power comes from. So if you have a 3.2 liter engine, the total amount of air that can be displaced in all the cylinders totals 3.2 liters. If you want to know how much each cylinder can displace you need to divide the volume (3.2 liters) by the number of cylinders you have, and I'd say a 3.2 is almost certainly a 6 cylinder jobbie. So 3.2 liters is equal to 3200 cubic centimeters divided by 6 is about 530 cubic centimeters or, to come back American again, each cylinder has a volume of about half a quart, mas o minos. Phil

Combustion Engines
Aerospace Engineering

What are static load and dynamic load?

A static load is the effect of gravity on an object or structure.

A dynamic load is the forces that move or change when acting on a structure.

Example of a dynamic load:

Force of wind or the weight of a truck

Example of a static load:

Weight of a bridge

Fuel and Engines
Combustion Engines

What is the best engine treatment?

I use only one, Lucas oil stabilizer, because I only require one thing from it.

I had a serious issue with motor oil break down on the many diesel engines I had on the equipment I serviced. At oil change time it would run out like water from the drain plug, I also noticed this in my own vehicles, through time the viscosity of the oil breaks down and in my opinion is worthless as a lubricant in that state.

At a drag racing event I had a chance to talk with one of the Lucas brothers and I described the issue I was having with my Kubota engines, and the concerns I had for my own vehicles. He recommended the oil stabilizer and told me that I could use it in a much stronger percentage than the bottle recommends to prevent the problems i had.

So over the next 4 years I studied and tested, I used a 15% mix on all new equipment engines, and increased the percentage depending on the hours on the motors up to 50%.

What I mean is that for a 4 year old engine with 2500 hours ( lets say 50,000 miles on a car ) I would use a 25% mixture. If the engine took 4 quarts of oil at a change, one of them was going to be oil stabilizer.

After 200 hours ( 3000 miles on a car ) the oil was still oil when I changed it, it drained like oil, looked like oil, and felt like something that could lubricate an engine properly. Oil pressures were as good on the engines with 5000 hours as they were on the ones with 500, compression was excellent, there was no smoke or blow by.

Mechanical Engineering
Combustion Engines

Diagram of roller skates?

See related link.

Auto Parts and Repairs
Fuel and Engines
Fuel and Fuel Intake
Combustion Engines
How To

How to look after a diesel engine?

Change oil and filters regularly

Home & Garden
Combustion Engines

How many cc in one horse power?

There is absolutely no direct correlation in horsepower and CC's. CC's is the engine size or displacement, whereas horsepower is the output generated by that engine. Horsepower can vary for a given engine based on altitude, temperature, and engine condition. If any of these variables change, the engine size or displacement remains constant, however, the output (horsepower) can vary significantly. To the person that says his honda engine is a x-horsepower with so many CC's, thus there are xx number of cc's in a horsepower, he is only correct when that particular engine is operating, at ideal standards equal to that of the manufacturer.

Fuel and Engines
Chevy S-10
Ford F-150
Combustion Engines

With a 1987 Chevy S-10 with a V8 conversion are there numbers anywhere that will tell you what engine and transmission you have?

Kids love to accessorize themselves, and this is true for both boys and girls. In most cases, they will ask their parents to help out. So, if your kid says that they have to attend a fancy dress party, what accessories do you choose for them? You have to take care that you don’t overdo it or else your darling could be a laughingstock at the party. Here are some things to keep in mind when you are accessorizing your kid for a party.

▪ The gender of the kid is important. Boys cannot be saddled with ladies’ purses, for example. Though you think your boy may be pretty in girl’s clothing, you don’t what to cause embarrassment in later life for him. And vice-versa, you probably don’t want your girl looking and behaving like a tom-boy. Select the accessories according to the gender of your kid.

▪ Try to accessorize as appropriately as possible. No one should be asking the kid, “Why are you putting that buckle on your hat?” Meaningless accessories are passé. Subtlety is in.

▪ It is best if you make the most of the accessories available at home. You could make bowties, ribbon decorations and even necklaces and bracelets at home. You save on expenses, and by doing this it will make your kid feel unique and special. Also, make sure that you don’t give them any wrong signals. Don’t make your little boy carry a smoking pipe for example. They are going to grow up with the impression that smoking is okay. Keep all taboo things out of their costume, even if they are dressing up as a pirate.

▪ Another thing to remember is to accessorize the kid to a reasonable level before they are to leave for the event. If you kit them out with too many accessories, then the accessories are already going to be ruined.

You should not spend more for these accessories than the going rate, even though some malls may sell them at extortionate rates. Your kids are never going to wear the same thing twice. Most importantly, make the whole ‘dressing up’ event a fun thing for the kid – this is a good occasion for you to spend some quality time with them.

Cars & Vehicles
Combustion Engines

Who invented the first engine?

Alexander thomas

Combustion Engines

What is a combustion reaction?

A combustion reaction is a reaction in which a substance reacts with oxygen and heat is released.
C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (g)

another answer:

C(s)+O2(g) CO2(g)

Mechanical Engineering
Steam Engines
Combustion Engines

How do you make an acetylene generator?

Make a tank consisting of two halves. The bottom one stores calcium carbide and the top one water. When the water drips from the top to the bottom half of the tank, it reacts chemically with calcium carbide to give out acetylene or cutting gas.

Calcium carbide+water --> +calcium oxide+Acetylene

Elements and Compounds
Combustion Engines

What is combustion?

It is a chemical reaction (exothermic) in which a fuel is a burned. Reactants of combustion are basically fuel + oxygen. Complete combustion gives carbon dioxide while incomplete combustion results in carbon dioxide and carbon monoxide (commonly known as 'soot').


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