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For gasoline engine, the compression ratio between 9 and 11, while diesel engine's compression ratio between 14 and 22 are the best. The higher compression ratio, the higher pressure of the engine cylinder will produce.What is the effect of compression ratio?
The compression ratio, in this case for a realistic engine it is the effective one, has two effects on combustion. The first, and obvious effect, is on the thermodynamic cycle . The pressure and temperature at the end of compression will be affected by the compression ratio, with a higher compression ratio increasing both these parameters.What is the compression ventilation rate?
The Compression to Ventilation Ratio is the number of chest compressions given followed by the numbers of ventilation breaths given while performing CPR. A compression to ventilation ratio of 30:2 means you should give 30 chest compressions followed by 2 ventilation breaths. This is the rate or speed of compressions per minute.What is the compression ratio of a centrifugal compressor?
Most centrifugal compressors have a compression ratio of around 1:2.5 to 1:4, however, special units can be upwards of 1:10 with a single stage. That's a bit of a how long is a piece of string question.