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Fuel and Engines
We commonly relate fuel and engines with gasoline. Other engines also run on natural gas such as propane and “bio-fuels” such as ethanol. The principle remains the same as the fuel induces internal combustion.
6,197 Questions
What is the meaning of 1.6 liter engine?
it means the amount of fuel the cars engine can hold. In simple terms it is the total value of fuel held in each of the cars cylinders.
Does the four-stroke engine produces 1 power stroke for every 720 degrees of crankshaft rotation?
Yes, if by "720 degrees of crankshaft rotation" you mean "two rotations"
Here is a great animation of a four-stroke at work:
http://www.animatedengines.com/otto.shtml
Gasoline is used, in various grades, to fuel automobiles, aircraft, boats, lawn-care equipment, generators, and various other machines that utilize an internal combustion engine.
What is the difference between a SI engine and a CI engine?
An SI engine ignites the fuel with a spark (SI = Spark Ignition) whereas the CI engine ignites the fuel with heat generated from compression (CI = compression ignition)
Pouring cold water on an overheated engine DOES WHAT?
Pouring cold water on an overheated engine can cause rapid cooling, which may lead to thermal shock and potentially crack engine components, such as the cylinder head or block. This sudden temperature change can damage gaskets and seals, leading to leaks. Instead of using cold water, it's advisable to let the engine cool gradually or to use coolant if necessary.
Can you name and describe the four strokes that make up one full cycle of a 4-stroke engine?
The Otto cycle, know as the four stroke cycle is as follows.
Induction
Compression
Power
Exhaust
This is a simplified explanation of a petrol engine, the basic details are correct. Most are also relevant to a CI engine. It is not meant to be a definitive answer and is only a description for the basic operation.
Induction:
The inlet valve opens and the piston moves down the cylinder causing a partial vacuum and drawing an air/fuel mixture into the cylinder through the inlet manifold.
Compression:
The inlet valve closes and the piston moves up the cylinder compressing the air/fuel mixture. The compression ratios vary.
Power:
Near the top of the compression stroke a spark is induced and the air/fuel mixture is ignited. This causes the gasses to expand rapidly and forces the piston down the cylinder.
Exhaust:
The exhaust valve opens and the piston moves up the cylinder expelling the burnt gasses out through the exhaust manifold. The exhaust valve closes and the cycle starts again.
- intake: In this stroke air (and in non-fuel-injected engines gasoline) is drawn in.
- compression: In this stroke air (and in non-fuel-injected engines gasoline) is compressed (just before the end of this stroke in fuel-injected engines the gasoline is injected, then a spark ignites the fuel/air mixture).
- expansion: in this stroke the burning fuel/air mixture pushes against the piston, doing work.
- exhaust: in this stroke the burnt fuel/air mixture is pushed from the cylinder to make room for a fresh charge on the next intake stroke.
Intake, compression, power, exhaust.
The first stroke down takes the air/fuel mixture in thus intake, then as the cylinder rotates up, the mixture compresses. The fuel is ignited and the power stroke starts down and as the cylinder goes back up it is the exhaust phase where it expels the burnt fuel and then starts the first stroke again
A condition where engine power fluctuates up and down?
Surging is the condition where the engine power fluctuates up and down with a continuous, soft jerking motion. When driving at a steady speed, the engine seems to speed up and slow down, without moving the accelerator.
Where is dipstick located for transmission on 1996 Toyota Camry?
To find the dipstick, look for a thin, plastic handle under the hood of the car. This is the transmission dipstick and can be used to check the fluid.
How are marine engines different from automotive engines?
Marine engines are almost always based on an automotive/ industrial counterpart. They are marinated to have a cooling system that uses the seawater to cool them directly or indirectly through a heat exchanger.
The three sided rotary engine is a Wankel engine. The engines were used in Mazda cars, as well as some Norton motorcycles.
What is Common rail direct Injection CRDi engine?
ans by kishalay
Advantages and disadvantages of having EFI on petrol and diesel?
EFI Advantages..... assuming new engine..... more fuel efficient, easier to keep in tune, less maintanence. Dissadvantages.... costly to repair, harder to diagnose problems without electronic diagnosis downloading equipment, more sensors that can fail. Simple ignition systems with simple fuel systems work well but require regular "tune ups" and are not as efficient. Cars from the 1960's had simple systems and as electronics became cheaper and with the costs of fuel increasing and the need to clean up com,bustion engine emissions, the manufacturers went the way of fuel management systems to improve efficiency (mainly due to government mandates)
Describe the operation of EFI system on petrol and diesel used on automotive vehicles?
EFI...electronic fuel injection....there a a few different names for the various systems, but this is the simple basic way to describe both. Fuel be it either gasoline or diesel is pumped from the fuel tank through filters to get out any impurities into a manifold under pressures ranging from 20lb for a gas engine to 3000lb for a diesel engine. at each cylinder (on modern fuel injection systems) there is a fuel injector which opens electrically at the exact time or mechanically, to allow the pressurised fuel to squirt into the cylinder......like a spray can does.....its contents are under high pressure and when you push the button the contents are released under pressure.
What is the largest street legal engine in America?
I would say it would be the chevrolet 572 ci 9.4 liter crate engine. Mopar made one to compete, same dementions, but it's a hemi
