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The hydrogen-to-helium ratio is an important piece of evidence for the big bang What is the minimum hydrogen-to-helium ratio observed?
The minimum hydrogen-to-helium ratio observed is approximately 25% hydrogen to 75% helium. This ratio is consistent with predictions based on the conditions of the early universe during the Big Bang.
What is the air pressure of an ideal otto cycle which has a compression ratio of 7 and has a 98kpa and 30 degree C at 766kjkg heat transferred during constant volume?
To calculate the air pressure at the end of the compression process in an ideal Otto cycle, you can use the formula for isentropic compression: P2 = P1 * (V1/V2)^gamma, where gamma is the specific heat ratio (1.4 for air). Given the compression ratio is 7, the volume ratio V1/V2 is 7. So, P2 = 98 kPa * (1/7)^1.4 ≈ 26.03 kPa.
How do you convert compression ratio and psi?
A 1:1 ratio is equal to 0 PSI. 14.7 PSI is equal to a 2:1 ratio. Just multiply your ratio by 14.7 to get PSI, or divide PSI by 14.7 to get ratio. This is only in a perfect cylinder where valves close exactly as the piston reaches the bottom and stays closed the whole way, and if no air bleeds out from the valves, or between the piston and cylinder wall. Not to mention the difference between if it's hot or cold. Plus, according to the math problem, if you had a compression ratio of 1:1, you would be pushing 14.7 psi. So there isn't any REAL way of telling an engines compression ratio without getting the specs for everything.
What is 11.31 compression ratio in psi?
You can't convert a RATIO (which is a pure number) to a MEASUREMENT such as psi. You get such a ratio by dividing two different pressures, for example.
Helium neon laser ratio?
You need the gas mixture to be mostly helium, so that helium atoms can be excited. The excited helium atoms collide with neon atoms, exciting some of them to the state that radiates 632.8 nm. Without helium, the neon atoms would be excited mostly to lower excited states responsible for non-laser lines.A neon laser with no helium can be constructed but it is much more difficult without this means of energy coupling. Therefore, a HeNe laser that has lost enough of its helium (e.g., due to diffusion through the seals or glass) will most likely not lase at all since the pumping efficiency will be too low.
What is a critical compression ratio?
The lowest compression ratio of a compression-ignition engine that allows a specific fuel to be ignited by compression ignition.
What is the compression ratio to a Toyosha 142ci motor?
23:1 compression ratio
What is the highest compression ratio?
Compression ratio simply means the difference in size of the original vs compressed unit. Compression ratio is a commonly used term for internal combustion engine piston/cylinder compression and file compression. Ratios differ depending on the type of engine or the type of file being compressed. In file compression, 7zip has the highest compression ratio.
How to calculate Compression ratio for an image?
compression ratio=uncompressed image size/compressed size
Compression ratio for 95 v6 mustang?
The compression ratio for the 1995 Mustang is: 9.0:1
What is the compression ratio of NASCAR engines?
The compression ratio for NASCAR engines is limited to 12.0:1.
How do you calculate compression ratio?
compression ratio = compressed size / uncompressed size the ratio should be between 1 and 0 (multiply with 100 to get the ratio in percent) a ratio greater than 1 means, the compressed size is actually greater than the uncompressed size a ratio just below 1 means bad compression the lower the ratio, the better the compression
What is the compression ratio on a 2006 wrx sti?
8.4:1 is the compression ratio for 04-07 STi's.
What is compression ratio in air compressor?
The compression ratio is simply the ratio of the absolute stage discharge pressure to the absolute stage suction pressure.
What is the compression ratio of 600 PSI?
"600 psi" is not a compression ratio; it's a pressure. For a RATIO, you need to compare TWO different numbers.
What does 5.11 stand for in compression ratio?
Nothing. Compression ratio is usually displayed as 9:1, or 9 to 1.
Is theoretical compression ratio equal to actual compression ratio for an SI engine?
No, because there is always some leakage.
