# What is the air pressure inside the top of a normally aspirated engine cylinder with an 11.5 compression ratio when the piston therein is in the power stroke and at full compression.?

Cars & Vehicles
Fuel and Engines
Mitsubishi Eclipse

Assuming an atmospheric pressure of 14.7 psia and a specific heat ratio of the air at 1.3 then the required pressure is: P = Patmp X rck

= i4.7psia X 11.5 1.3

= 351.74psia

## Is the compression ratio of a piston inside its cylinder measured mechanically or atmospherically?

Mechanically To put it as simply as possible. The cubic inches of a cylinder and the amount of space your compressing it into is the compression ratio.

## What is the typical compression ratio and combustion chamber pressure in a compression ignition engine?

Typical compression ratios between 18:1 and 23:1 are common, although in an effort to minimize oxides of N2 compressions as low as 16:1 are being employed generally resulting in a loss of 1-2 mpg resulting from the lower thermodynamic efficiency of the diesel cycle. Higher compression ratio yield...

## Auto Technician A says the total volume of all the cylinders in an engine is called the compression ratio?

The volume of an engine is called displacement and is typically measured in cubic inches or liters. An eight cylinder engine that could hold 1/2 liter of water (or air) in each cylinder would be a four liter engine. As the pistons move to the top of the cylinder in an exhaust stroke, they theoret...

## What is the compression ratio of and engine?

Compression ratio is the difference in the volume of a engine cylinder between when the cylinder is at it's largest volume, compared against when the cylinder is at it's smallest volume. Gasoline engines use 8:1 to 12:1 compression ratio. Diesel fuel engines use 14:1 to 25:1.

## What is the key difference between the piston action of an internal combustion engine and that of a compressed-air engine?

The internal combustion engine uses a fuel i.e petrol or diesel to cause compression when ignited ,when the fuel burns it causes compression of the piston. A compressed air engines power comes from an electric motor which forces the piston up and down to produce compressed air.

## IN what type of engine is the intake valve held open longer than normal during the compression stroke?

I think its a stroked motor i could be wrong

## When the piston is at top dead center and both valves are closed what engine stage is this in?

This is the beginning of the power stroke in engine operation cycle.

## Why the pressure of the air inside a car tire increases when the car is driven at high speed?

When you drive the the tires create friction with the road when they rotate. Friction creates heat. The air molecules in the tire heat up and expand. Since the tire is rubber and sealed the tire expands with the pressure of the hot air.

## Which stroke forces the piston downward in the four stoke process of an internal combustion engine?

The power stroke. The order is intake, compression, power and exaust. The piston moves down on intake and power but is only forced down on the power stroke

## Why does the burned gasoline do more work on the piston of an automobile engine during the power stroke?

The combustion cylcle (power stroke) forces piston down to create engine power.

## Which stroke is occurring when the engine draws in fuel and air?

That would be the intake stroke.The intake stroke, number one in a 4 cycle engine.

## If the crankshaft of a two stroke engine is rotating at 900 rpm how many power strokes occur each second?

450 power strokes per-minute450/60=7.5 power stokes per second

## What is the total displacement in cubic inches of a v6 engine when the compression ratio is 3-3 and 1 half Does it equal 173 cubic inches?

The compression ratio doesn't deal with the displacement, the bore and stroke do. If it's a modern engine it should say the size of the engine in liters. You can use this to convert the engine size to cubic inches. A 173ci engine is a 2.8L engine when converted.

## What would happen if we change the Ratio of Fuel and Air Mixture in an any Engine?

Increasing the ratio of air to fuel (known as a 'lean' mixture) will result in hotter combustion gases and less power. However the exhaust will contain less Carbon Monoxide.Increasing the amount of fuel (a 'rich' mixture') will result in cooler cobustion gases, more power, but overall it is less-...

## Your 1988 corvette has 3 dead cylinders why. the engine runs. there is a great amount of pressure inside the engine when running remove oil filler cap and the pressure come out very strongly.?

You may have broken rings in the 3 dead cylinders allowing compressed air-gas mixture to enter the crankcase.

## Why does the air pressure inside a tire increase when the car is driven?

As this heat is transferred inside the rubber it causes expansion of air indie tyre and hence temperature is increased.After long drive, Tire pressure could be increased due to friction between the tire and road.Heated air spread inside the tire and enhance the tire pressure level.

## When you have a Mazda MX-5 Miata has four cylinder engine with each cylinder measured bore diameter of 83 mm and stroke height of 85 mm. Find the total engine displacement in cubic centimeters.?

That's a total of 7358.43 cubic centimetres (rounded to two decimal places).It is 1839.61 cubic centimetres.

## Why does the air pressure inside the tires of a car increase when the car is driven?

Because, as you drive, the rolling friction of the road increase heat in the tires and that heat warms the air in the tire and the air expands , increasing the pressure. Manufactures, recommend a max psi COLD. They know that the pressure will rise after driving .

## What happens in the cylinder during each stage of the 4- stroke cycle in an internal combustion engine?

Its as simple as 'Suck, Squeeze, Bang, Blow'.1st stroke Down = vacuum draws in air and fuel from carb (suck)2nd stroke UP = Compression of air and fuel (Squeeze)3rd stroke Down = Mixture of air and fuel explodes pushing cylinder down. (Bang)4th stroke Up = Kinetic movement of piston and crank sha...

## What will be the change in temp and pressure of air inside a car tire while moving?

The tire will most likely heat up in the summer due to the road being warm. As air heats up it expands and as air cools it condences.It all depends on the road conditions. So if its warmer outside or the pavement is warm the tire pressure will rise if it's cooler out it wont expand as much but it...

## What is meant by the compression ratio of a combustion engine?

The compression ratio of a combustion engine is the relationship of the largest and smallest capacities of the combustion chamber. A higher compression ratio is advantageous because the engine operates more efficiently, extracting more mechanical energy from the fuel. Most gasoline-powered engine...

## The type of two-stroke engine that uses a spinning plate with a hole in it to control the flow of fuel to the cylinder is called?

small engine parts and operation answers1B rotary-valve enigine2C form a seal between the piston and the cylinder3C counterweight4B I-type5A Lift6A when the valves open and close7D tappet8B crankcase to the top of the combustion chamber9B overlap10D connecting rod cap11D rocker arms12A an oil con...

## Are the intake and exhaust valves open During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber?

No, both valves are closed so as to create a seal around the combustion chamber so the fuel/air mixture can be compressed.It goes like this:Stroke 1 - the piston is drawn down in the combustion chamber with the intake valve open, allowing air to enter the chamber. At the same time, fuel is inject...

## In a car with a four-cycle engine why is it an advantage to have at least four cylinders?

it has more horsepower and does not waste as much fuel.

## Why does the air and heat fan in a Dodge Stratus only work at full blast?

the blower motor resistor is bad, replacement of such is fairly cheap (20/30 dollars) resister is located either under the dash or on the firewall on the passenger side

## Which is the engine power and the top speed of the ford falcon wagon with the engine 144 of the year 1961?

85 HP, manual 3 speed, 81 mph.85 HP, automatic 2 speed, 80 mph.

## How many cylinders are there in the engine of a semi truck?

Pretty much, in North America, inline six is the normal configuration. The only four cylinder engine available is the 10.5 liter 50 Series Detroit, which is pretty much a 12.7 DD60/DD13 with two cylinders removed. The only other diesel vehicle on the US market I can think of which uses such a con...

## Which is the engine power and the top speed of the Nash ambassador sedan sedan with the engine 234 of the year 1951?

115 HP, manual 3 speed, 83 mph.115 HP, manual 4 speed, 92 mph.115 HP, automatic with overdrive, 92 mph.

## What is the cylinder compression of a mercruiser 7.4 mpi engine?

MY Mercruiser 502 8.2L V8 between 133-155 pounds pressure dry, not warmed up &amp; throttle at idle instead of wide open throttle. I was comparing the difference between the cylinders seeing if anything was obvious bad...Warmed up... Open throttle valve will give you a higher reading.

## What is the effect of air fuel ratio on detonation in internal combustion engine?

A leaner fuel mixture burns hotter than a rich mixture. so a leaner mixture will be more prone to detonation than a richer mixture.

## Why does the air pressure in tires of a car increase when the car is driven?

As the tire warms up from friction so does the air inside it. As air gets warmer the air tries to expand thus increasing the pressure.

## An orange placard with a number one at the bottum with 3 stars above it and an explosion symbol at the top stands for?

It is to designate Class 1 - Explosives (dynamite, black powder).

## How much pressure is required to push up and down the piston of a 4cylinder internal combustion engine?

This depends on a lot of factors.Mostly though it would be the compression ratio, which is basically the ratio of the cylinder volume open/closed, and the stroke which would be the length, as well as the bore which would be the width.So how much surface it is hitting (bore) would vary the pressur...

## In a external combustion engine the fuel is burned inside the cylinder?

no.. by definition the combustion is outside of the engine. a steam engine would be an example.

## What could cause an engine overheating with white smoke and a loss of power?

I suspect that you have a blown head gasket letting coolant into one of the cylinders to cause the white smoke and the lowered coolant level results in over heating of the engine. overheating with white smoke indicates coolant in the combustion chamber 99% of the time this is caused by a leaking ...

## What is the compression of a 5 horse power craftsman lawn mower engine?

A 5hp craftsman engine has a compresson of 135psi

## What is the power to weight ratio of a car that weighs 2315 pounds with 213hp?

Simple division.weight/power = # lbs per hporpower/weigh = # hp per lbin this question 10.87 lbs must be moved by 1hp, or each lb requires .09hpFor comparison's sake, a 4500lb van with 187 hp has to move 23.07lbs per hp.

## How does the ignited mixture of gasoline and air in a car's engine use thermal expansion to move a piston?

motor conected to fuel tank

## Why does troybilt model j609 fill the cylinder full of gas after you shut it off and a week later the cylinder is full of gas?

Dirty or faulty needle and seat in carburetor.

## What is the engine piston displacement in liters of an engine whose displacement is listed as 420 cu in?

7.0 liters.1 liter equals about 60.02 cubic inches

## A car engine provides a motive force of 700N when the car is moving at its top speed of 40ms1 How much work does the car engine do in each second What is the engines power output help?

Work= F x d= 700 x 40=28000Power = work / timeif you want to convert this to horse power:1HP = 745 Wattsfrom the data that you have provided the hp is around 37

## What is the cut in and cut out air pressure for a standard air brake system?

The normal pressure range of an air brake system is determined by the points where the air compressor is turned on (cut-in pressure) and turned off (cut-out pressure).Note: Cut-out pressure is normally 138 to 173 kPa (20 to 25 psi) above the cut-in pressure.

## Which is the power of the engine and the maximum speed of peugeot 504 cabriolet 4-cylinder 1969?

The power of the engine and the maximum speed of peugeot 504 cabriolet 4cyl 1969 is 97 bhp (72 kW; 98 PS) and 20.6 mph (33.2 km/h) respectively.

## Which is the power of the engine and the maximum speed of peugeot 604 4-cylinder turbo diesel 1978?

(32,84 kW or 43,78 HP) is the power of the Peugeot 604 4cyl turbo diesel 1978 engine and its maximum speed is 119 mph.

## What is the engine piston displacement in liters of an engine whose displacement is listed as 320 in2?

5.2L if you meant 320 CUBIC inches (in3)

## What is the measurement of the compressed air in a tire?

In the US we use PSI, (Pounds Per Square Inch).

## Is an engine's bore a measurement of the combustion chamber or the piston?

The cylinder. When you "Bore Out" an engine block, you're making the combustion chamber wider to accommodate larger pistons to increase horsepower. That's usually mostly done in drag racers, not much use for it in a street car, unless you like supportin' the local Policemans Ball.

## Which is the power of the engine and the maximum speed of the Chevrolet bel air wagon automatic 1961?

The power of the engine and the maximum speed of the 1961 Chevrolet Bel Air wagon automatic are 400 hp and 105 mph (169 km/h) respectively.

## Which is the power of the engine and the maximum speed of the Chevrolet bel air sedan 1955?

The power of the engine and the maximum speed of the 1955 Chevrolet Bel Air Sedan are 225 hp (168 kW) and 190 kph respectively.

## What is the amount of gaseous fuel needed for a single stroke in an internal combustion engine?

depends on the cc of the combustion chamber

## What is the bore and stroke of a 1776 Volkswagen engine?

That'd be a motor with a 90.5 mm stroke and 69 mm bore.

## A camry with 250k on the clock 2.2L is 4000 RPM bad for an engine when acceleration because its really tempting and really shocking the power it delivers?

As long as it does not go over the redline, it should be fine. AS long as the vehicles engine is maintained correctly, and before you drive it hard, check the oil to prevent overheating. It also depends on the age of the motor itself and how it acquired the 250k. If it was from city driving, the ...

## Is it ok to use full power in a engine and drive close to red line revs?

Occasionally, as when overtaking - sure, that's what it's for. But it'll put more-than-usual strain on the engine, so staying there long and often can cause overheating and premature wear.

## 1989 Cressida and the oil light is coming on when the engine is warm at a low idle is this normal?

NO this is not normal! The engine light is coming on due to low oil pressure. This is very serious. Change the oil/filter and make sure you are using the correct weight oil. Also make sure you use the correct filter. I recommend Purolator or Wix filters. Avoid a cheap filter. If you still have th...

## Why does the flasher on the drivers side of your 2002 Trailblazer flash at about three times the normal speed when the headlights are on and about a quarter of the normal speed with the brakes on.?

Either you have one of the bulbs burnt out or the wrong size bulb installed.

## What is the advantage of providing 4 valves per cylinder in an ic engine?

It increases the coverage of valves over the combustion chamber allowing faster breathing leading to better power at high RPM's. It allows the spark plug to be in the center of the chamber allowing a more complete burn.?æ

## In suction stroke for a petrol engine you take in fuel air mixture while for diesel engine you take in air and the fuel is injected later on Why such difference exists?

because diesel ignites with heat. during the intake stroke air is brought into the cylinder. during the compression stroke the air is compressed greatly which builds heat. at the top of the compression stroke a fine mist of diesel is injected into the cylinder which ignites from the heat of the c...

## What can be the possible cause of lost of power when the engine is running at 2000 RPM?

most engines have a power band witch is different most engines build power from 3,000 RPM to 8,000 but really it could be that your manifold is not set right or you don't have the carb tuned to the engine some other problems is that your valves are sticking but the answer on the rpm is just how b...

## What is the difference in engines between a normal Dodge 2.4L engine and a flex fuel capable Dodge 2.4L engine?

The fuel system is capable of withstanding the corrosive aspects of the higher ethanol concentration and the computer is programmed with calibrations for running on E85 on the flex fuel system. The engine itself is no different.

## What is the top speed of a car without using an internal combustion engine?

Falling out the back of an transport plane without a parachute it would reach terminal velocity, no engine required..answer 2 The jet engine is one example of an external combustion engine. Rover of UK did try these (!!) but close - following traffic may have a problem.With the arrival of Lithium...

## Why does my oil pressure drop when idle at red light. There is no knocking in engine. If you give the truck a little gas and hold the pressure will go back up and stay?

There may be a leak in your pressure valve. Take it to a machanic to be checked out.

## What would cause a knocking sound in the top of the engine when the car is in gear on an older Mercedes Benz?

There could be several things causing a knock in the top of your engine, most likely is that you are not using premium fuel.Depends on the engine if its diesel the answer should be right, if its petrol it could as well be a whole bunch of other stuff.

## When Is the highest amount of pressure encountered in any engines intake manifold?

Depends on if it is naturally aspirated or not. If it is, then it will always be under vacuum. If it has forced induction (turbo, supercharger), then the pressure could be anything.

## What is a concern of having an air cleaner mounted under the hood in relation to power?

drawing hot air from under the hood really only causes harm in higher performance vehicles as most stock vehicles have an air induction system that draws air from a cooler location

## What are the dangers of driving an 1988 Toyota Camry with an empty Air Conditioner and I mean no gas in air conditioner?

There shouldn't be any danger of running without the air conditioner freon in it. Except for when it is really hot outside and you are sweating like crazy. (Just kidding)

## Why wood class-8 truck manufacturers install the air cleaner under the hood and what concern of having an air cleaner mounted this way in relation to power?

Installing the air filter under the hood instead of the outside would give less air flow and hot air from the engine, which would raise combustion temperatures and reduce power.

## What is wrong with a car when you change the radiator and thermostat and the top hose still gets tight and no water is mixing with the oil?

You need to have a block test done. It checks for combustion gases in the radiator.

## Why can't pressurized hydrogen be contained in a cylinder the size of a car gas tank in order to power cars?

In order to store enough hydrogen gas, very high pressure and low temperatureis needed. The walls of the cylinder must also be sufficiently thick that will cause it to be very heavy. Thus impractical.----------The essential problem is that hydrogen has low energy capacity by volume in comparison ...

## Can you start an engine with no coolant in just to move the car in and out of a garage?

Yes, technically speaking, you can start the engine without coolant. BUT... with no coolant in it, you take the risk of the engine overheating and permanently damaging parts in the engine that are critical for it to operate at all. I stress the importance of the coolant because of the inherant ri...

## What is the danger of high compression in a spark ignition engine?

If the pressure is too high for the grade of fuel, you will get 'pinking' or 'pinging'. This is the term for pre-ignition. The fuel will explode instead of burning rapidly, and makes a metallic rattling or 'pinking' sound.This can damage the valves and piston crown if left to continue.High compre...

## How the speed of a vehicle is related to engine speed and how tha vehicle speed is affected by the engine torque and gear ratio?

A smaller number as a gear ratio means more speed. Higher ratios have higher torque and less speed. The size of the engine just determines hp and tq for that engine unless it is upgraded. The gear ratio and engine determine the vehicles top speed and acceleration. More torque means more power the...

## What causes the check engine light to come on intermittently in an S10 with a new catalytic converter and O2 sensors and lose power when the light is on?

Sounds like perhaps the cats and exhaust pipes may not be bolted together tightly enough. If they are loose and banging around (even if you can't hear it), it could be setting off the engine's knock sensor. In that case, the vehicle's computer thinks that a combustion event inside the engine refe...

## Which is the power of the engine and the displacement of the Chevrolet bel air coupe of the year 1954 which develops 139 kph?

Displacement: 3859 cm3 / 235.5 cui, advertised power: 86 kW / 115 hp / 117 PS ( SAE ), Torque net: 271 Nm / 200 lb-ft

## Which of the following components is an external passageway that connects an engine's fuel sytem to a cylinder head port?

The fuel lines connect to a fuel rail that is bolted onto engine. The fuel rail holds the fuel injectors that enter into the intake manifold. The fuel injectors then spray the fuel into the intake manifold by where it meets the cylinder head. On the intake stoke of the cylinder the fuel injector ...

## What happens when a person with a suspended license is involved in an accident in another person's car and is not at fault?

Actually, they are at fault, or so it's presumed - if their license is suspended, they shouldn't have been driving, hence, they should not have been there to have been involved in an accident. On top of that, they've voided their insurance policy by driving on a suspended license, so the expenses...

## What is the function of an air flow meter on a fuel injected engine?

The function of an air flow meter on a fuel injected engine is to check the quality or quantity of air. It sends a signal to the ECM or Electronic Computer Module and in turn, the ECM decides whether to send more fuel to the engine or not.

## The type of two-stroke engine that uses a spinning plate with a hole in it to control the flow of fuel to the?

there are a few types of 2-cycle PISTON PORT engines that can have a resrictor plate installed behind the carb to restrict the fuel flow,So you need to be a lil more specific on what type of engine.

## Does the tachometer on a car measure crankshaft rpm or engine rpm considering that the crankshaft rotates twice for each full cycle of the engine in a four stroke engine?

The tachometer is an electrical device that senses the ignition system. It indicates engine RPM (revolutions per minute). Engine rpm and crankshaft rpm are two ways of expressing the same thing. True, the crankshaft does rotate twice for each complete set of cylinder firings but the tachometer co...

## Compare the sizes of forward force and air resistance while a car is moving at 30mph?

when a car is speeding up how does the forward force and air resistance compare

## Is there a safety switch when a 1995 3000gt looses oil pressure and runs out of oil and ruins the engine?

No. that's why there are oil guages &amp; warning lights. Some driver interaction is required in car upkeep.

## What is wrong if your car loses power and wont accelerate when making an extended turn like in a highway ramp but when you straighten the front wheels it works like normal again?

Sounds like either an electical short or a fuel problem... If your fuel pump is on it's way out and you take a corner, the engine might be starving...

## There is a misfire piston 1 reading in the obd scanner. Location of the piston no 1 in 2001 expedition 4.6L engine?

the firing position for the 4.6 litre engine is as follows, open your hood and look at your engine, now, starting from the passenger side,the closest one to you is one,then two,behind it,then three and four.Number five is the closest one to you on the drivers side then six,seven,eight working you...

## When standing in front of your car looking at the engine which is the left side?

The left of the car would be the right side in your perspective.

## What is the power range in BTU of a car air conditioner?

10k btu "cars "to 25k btu "semi's" depending of vehicle size.Answer 2: For an Acura Integra 98 it's 14,2k BTU/h. And it's a small car.Source: Acura service manual.

## Some class-8 truck manufactures install the air cleaner under the hood what is a concern of having an air cleaner mounted this way in relation to power?

None, as long as the air intake pipes leading up to filter aren't restricted by foreign material. It was designed to be that way.

## What is the firing order of the cylinders in a 5.4L 2000 Lincoln Navigator engine?

1-3-7-2-6-5-4-8 ---------------------------------------------------------------------------------------------just adding to the answerOn a 2000 Lincoln Navigator :It has the Coil On Plug ( C.O.P. ) ignition system with ( 8 ) individual coilsThe engine cylinder locations are numbered :firewall4 - ...

## White smoke coming from Exhaust only when idle and coolant loss If you run the car normally and not let it idle no coolant loss at all no white smoke Good power on engine?

Typically, white smoke is just water vapor. Water vapor is normal when the engine is cold. Water is produced when gasoline is burned. Gasoline is a chemical compound called a hydrocarbon and burning of hydrocarbons produce water (H2O) and carbon dioxide (CO2). When the exhaust line is cold, such ...

## What is the purpose of an engine in a vehicle?

The engine moves the vehicle.

## What is the difference in performance of a Twin Cam engine and a regular automobile engine--more power?

There are a tremendous number of variables which can affect engine power. Generally, though, a twin cam engine (e.g., one cam for exhaust valves and one cam for intake valves) allows for higher rpm design for an engine. Higher RPM usually translates to more HP and/or more torque, which is the imp...

## What is the clicking noise coming from the engine of a 99 Camry when you accelerate-The car was driven over 500 miles with the oil cap screwed on incorrectly and the oil leaked out-the oil is full now?

Its is possibly the cam or crank bearings, crank shells, etc. It could be a million and one things. You will need to strip the engine to find out. Alot of moving parts relied on that oil!

## You were involved an incident where you released slight pressure from your brakes at a stop and your car rolled up against the other cars bumper with NO impact The person got out of the car and no dam?

should be ok, and these things happen all the time, other party also agreed no damage? did you exchange info though? should do that...this is sticky, some would say should report to your company just so they can formally contact the other party and get it 'offical' no damage/no injury which reall...

## What is the problem when a new idle air control valve is installed and the engine runs at a high r.p.m.?

Could have been installed incorrectly and may have damaged the valve.The year, make and model vehicle would also help.

## What happens when you spray an engine with water and then drive the car Now my car does not start at all.?

you got water under the distributer that shorted out the electrical components

## When a car gets gas with water in it and starts to sputter does it return to normal when the gas is finally used up and replaced with good gas?

in most cases yes.....but if it happens 2 often it could do permanent damage 2 the engine, and especially the exhaust system

## Where should the timing mark on the cam gear and the timing mark on the crank gear be to be in time on a small block Chevy engine if number 1 cylinder is at top dead center on the compresson stroke?

The cam gear is on top/ and the crank gear is on top. Both at 12:00.

## Do you get a double cab with a super cab storage option behind the rear seats In other words 2 rows of seats front and back with an extension for storage inside the vehicle behind the rear seats?

The best option for both seating and storage in the Ford truck would be the supercrew option. The supercrew cab seats up to 6 passengers and has lots of space in the back.

## Does a car tire weigh more with air or the same when its flat and tire is on a rim?

The chemical signature for air is H20, or 2 parts Hydrogen and 1 part Oxygen. As each of these elements has mass, even in a gaseous state, the short answer is that air weighs 0.070 lbs oer cubic foot. So at one atmosphere of 14.7 PSI (that is the pressure of the air around us) when the tire is fl...