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One with less than 500 litres!
someone who waits to do something till the last minute is called a procrastinator
15 to 30 seconds
the jump was very last minute, or haphazard.
The volume of the cylinder is height * pi * radius squared. Fill up the cylinder with water. Pour it into the irregular. If it's not full yet, do it again as many times until it is. Count how many times you filled & poured the entire cylinder full of water. Multiply that number by the volume of the cylinder. (First part of answer) If you can only fit a portion of the last cylinder full of water into the irregular, measure how much water you have left in the cylinder. Multiply (1-portion left (a fraction less than 1)) times the volume of the cylinder to get the volume of the last bit used to fill up the irregular. (second part of answer) Add the two parts of the answer to get the final answer.
30
One with less than 500 litres!
An ML6 oxygen cylinder, when "charged" to normal pressures, holds 170 liters of oxygen. How long that will last depends on a number of factors. If the flow is set to 2 liters per minute continuous then it will last less than 1 and 1/2 hours. If an oxygen conserving device is used (they give the gas in pluses when breaths are taken) it can last over 4 hours.
This will depend upon the gas flow rate. A size E oxygen cylinder in the UK contains 680 litres of compressed gas. At a flow of 10L/min for medical emergency use the cylinder will therefore last 68 mins. However if used at 6L/min it will last nearly 2 hours. In the US we use PSIG (gauge level). at full a tank is about 2200 PSI on any given tank size, and the E cylinder has a tank factor of 0.28. So you take take the PSI and multiple it by by the tank factor and divide that number by the flow rate. So at full, 2200 x 0.28 = 616 and dvided that by the flow rate. The final number is the total number of minutes at the given flow rate. So at 2 liters per minute (2 lpm) a completely full E cylinder will last 308 minutes or 5.13 hours (divide total minutes by 60 to get hours). 140 minutes at 4lpm, and so on. You deffinetly want to call your oxygen supplier well before the guage gets to the red. With most guages the very start of the red line (the end farthest from empty) is around 500 PSI. A good rule of thumb is to round down to the nearest whole hour when figuring duration. So when I've needed to I look at 5.16 hours and say 5 hours. If you do run out or are into the red already, call 911 (or your local emergency service), all ambulances carry oxygen and better to have them arrive and use their O2 than to call your oxygen service because ambulance should be able to get their faster. Remember, at the very beginning of red (500 PSIG) a E cylinder will only last 140 divided by flow rate...so 70 minutes at 2lpm, 35 minutes at 4lpm, etc. Dont risk it, when in red, call 911 first, then your oxygen supplies...that is as long as you dont have any other cylinders to use. common tank factors: H Cylinder factor is 3.14 D cylinder factor is 0.16 (typical portable oxygen size) * in the USA, all oxygen tanks, when completely full, are 2200 PSI, if you know the tank factor, you can easily compute the duration. Calculating liquid oxygen is a whole nother ball of wax....
A person can last 4 minutes without oxygen, longer in extreme cold. It takes that long for the body to use up the oxygen in the blood.
Depends on how much pressure is left in the tank.Duration of Flow = Oxygen Tank Conversion Factor * Remaining Tank Pressure (psi) / Continuous Flow Rate (L/min).Conversion factor for D Tank = 0.16Assuming you have a full tank 350 liters at 4000 psi flowing 5L/minDuration = (.16*4000)/5 = 12.8 minutes
Depending on the flow rate. A G tank holds 5,300 liters of Oxygen. so just divide that buy the rate you are setting it to flow at. A non-rebreather at 15 lpm should last you close to 6 hrs. normally though the tank should be refilled before it gets down to around 200 psi, just to be safe.
last minute
An average d size tank will last for about 20 min with a non re breather at 15 lpm Duration = ((current pressure -200) x tank factor) / flow rate tank factors are M=1.56 E=0.28 D=0.16
That is the correct spelling (with hyphen) of the adjective "last-minute."
Last-Minute Lies was created in 1996-06.
last minute of a convict