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What are the safety precautions of acetylene cylinders?
Never use Acetylene gas at a pressure over 15 psig.Never use damaged equipment.Never use oil or grease on or around Oxygen equipment.Never use Oxygen or fuel gas to blow dirt or dust off clothing or equipment.Never light a torch with matches or a lighter. Always use a striker.When opening a Oxygen or fuel cylinder valve, always crack it open first.Always make sure regulators have their adjusting screws released by turning them counter clockwise till free before opening cylinder valves. Stand to the side of a regulator, not in front of it when opening cylinder valves.Always wear the proper welding goggles, gloves and clothing when operating Oxy-Acetylene equipment. Pants should not have cuffs.Always have a fire extinguisher handy when operating Oxy-Acetylene equipment.Always replace cylinder caps when finished using cylinders.Do not rely on the color of the cylinder to identify its contents as some suppliers may use different color codes.Always use the proper regulator for the gas in the cylinder.Always use cylinders in the upright position only.Never store cylinders in temperatures over 130deg. F.Always keep the valve wrench on the Acetylene cylinder valve when in use. Only open valve a maximum of 1 1/2 turns.Do not carry lighters, matches or other flamable objects in pockets when welding or cutting.Always be aware of others around you when using a torch.Becareful not to let welding hoses come into contact with torch flame or sparks from cutting.
Why should an aerosol can never be thrown into a fire?
You should never throw an aerosol can onto a fire or leave it in direct sunlight - even if it is empty. This is because the pressure will build so up so much that the can will burst (and explode if there is a naked flame nearby). There are two reasons for the pressure going up:the gas pressure increasesmore of the liquefied propellant turns into a gas
Why should you never heat a flask when sealed with a cork?
Heating a sealed flask with a cork can cause pressure to build up inside and potentially lead to an explosion. As the contents of the flask heat up, they expand and create more pressure inside the sealed container, which the cork may not be able to withstand. It's safer to use a vented closure or open container when heating substances.
Why did your thermometer never hit 100 degrees Celsius when boiled?
You are probably above sea level so that the atmospheric pressure is lower than sea level pressure. Water boils at lower temperatures as the pressure is lowered. The other possibility is that the thermometer is not calibrated correctly, but I'd go with the atmospheric pressure is below sea level pressure.
What senses should never be used in a laboratory?
Taste and smell should never be used in a laboratory, as they can lead to potential exposure to harmful chemicals or substances. Additionally, relying on these senses can be subjective and unreliable for accurate data collection and analysis.
When welding with a 3 tip what should the oxygen and acetylene be set at?
If you set your tanks to about 5 psi and 5psi, you should not have to change the pressure, instead simply adjust the knobs on the torch to give more of each gas. If this still is a problem, try 7-9 psi for each. NEVER NEVER NEVER go above 12 for acetylene, it is unstable at 15, best to not get close...
How do you know that oxy-acetylene hoses are flame retardant?
They aren't, which is why you should never have them laying near your work area. What I do is drape them over my shoulder and keep them behind me.
What should you never do when stretching?
You should never bounce. You should stop if you feel pain. Don't hold your breath.
What should never be used on aircraft landging gear?
High Pressure Wash Equipment
What should never be used on aircraft landing gear components?
High pressure wash equipment
What Coldplay lyrics should i have tattooed above my Coldplay butterfly?
I Never Meant to Do You Harm
What should you talk and do with him when your alone?
What you do and talk about with him when you two are alone depends on how comfortable you are. He should never pressure you into doing or saying something that you are not comfortable with.
Is the notary stamp above the signature?
The appropriate location for the notary stamp is to the side or immediately underneath the notary's signature. The stamp should never be above the signature.
Should you go to the Er if your blood pressure is 169over 118 during the day?
YES. You should definatly go to the ER. That is extremely high. It should NEVER be that high.
Should parents put pressure on their children?
no never Well a little so they do things they have to do like homework for instance.
Should people whip their kids if they are above the age of 12?
You should never whip your kids. It only teaches them to be violent and scared of whoever whips them.
What are the Gauge pressures when oxy welding?
oxygen...25psi acetylene....7-10psi. Never go higher than 15psi with acetelyne. it will become highly volitile
