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Typically, a 2-stroke engine has a higher compression ratio compared to a 4-stroke engine. This is because 2-stroke engines can complete a power cycle in just two strokes of the piston, allowing for a more compact design and higher compression. However, the specific compression ratio can vary widely depending on the engine design and application. In general, while 2-stroke engines may have higher ratios, 4-stroke engines tend to be more efficient and produce less emissions.
What else can I help you with?
What is compression ratio in ic engine?
This is the ratio between the total volume to the clearance volume in IC engines
What is the fuel consumption with regard to the range of engine displacement and engine compression ratio?
Greater compression = greater fuel consumption = greater power
What is difference between a diesel and petrol engine?
Basically diesel engines are much higher compression giving them more torque also the fuel is ignited by compression not a spark like in a gas engine
What is established through compression testing?
Compression testing is done on engines and it establishes whether the engine has good compression. Good compression is needed for the engine to start easily and run efficiently.
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 SI engine and CI engine?
An SI engine is a spark ignition engine. A CI engine is a compression ignition engine. SI engines use spark plugs to ignite fuel in the combustion chamber. CI engines use compression in the combustion chamber to ignite the fuel.
What is defference between disel engine and petrol engine?
Diesel engines have a far higher compression which allows the diesel fuel to explode without the use of a spark plug.
Which types of engines are tested according to IS 1600-1960?
Engines that are tested according to I.S. 1600 - 1960 are: A) Compression Ignition Engine B) Carburetor type Engine C) Gas Engines
Which engine type relies on heat compression to ignite the fuel?
Diesel engines rely on heat and high compression to ignite fuel.
Which engine has highest compression ratio?
the diesel engine. it takes one ignition to start, then it runs off of (autoignition) ignition from heat caused by high compression. compression ignition (autoignition) causes ignition to happen a little earlier than spark ignition engines (gas engines) which is less vulnerable to risk of engine knocking or wasted power when dealing with high compression. -maddmatt
What are the defferences between dessel and petrol engine?
Petrol & Gas engines are spark ignited engines where as diesel engines are compression ignited engines. Petrol engines works with explosion of fuel air mixture due to spark from spark plug inside the cylinder. Diesel engines works with combustion of fuel air mixture due to compression, compressed mixture attains a very high temperature which exceeds the flash point of diesel and starts burning inside the cylinder and the hot gases after burning of fuel misture exerts force on piston which makes the diesel engines work. Diesel engines are highly efficient than petrol engines.
Are VW 1.9 liter TDI interference engines?
Gasoline engines can be designed so that even if the timing belt breaks, the valves will not contact the pistons, regardless of what position the camshaft stops in (a so-called non-interference engine). Not all gasoline engines are non-interference ... but they can be. This is impossible with a diesel engine because of the high compression ratio, and the small space between the piston and head in order to achieve that compression ratio. All 4-stroke diesel engines are therefore interference engines.
