0
strike back occurs when the air hole is opened to big or fully opened hence too much air enters and burns causing a strike back and the collar would be the hottest part of the burner during strike back
Anonymous
Add your answer:
Earn +20 pts
Why is it important that you should tie your hair back when using a Bunsen burner?
It is important to pull your hair back when using a Bunsen burner to prevent it from coming into contact with the open flame and igniting your hair.You are instructed to pull back your hair when using a Bunsen burner to prevent your hair from coming into contact with the open flame and catching your hair aflame.
Why is there Puff back when i pres the oil burner reset button oil burner?
DO NOT KEEP PRESSING RESET BUTTON! Unless you want some interesting things to happen. You have an ignition system failure or delay. Call a professional for repair. Mark
What are two problems that expanding solids can cause?
hii i think that solids expand because when you heat whatever fits stright through something else you heat it on a Bunsen burner or something hot leave it for a couple of mins and then put what you have picked through the other thing then you will see that it wont go back through the other thing.....
What are the six important step to remember when lifting an object?
1.position close to load 2.bend at the knees 3.get a good grip 4.neck back in collar 5.lift with your legs 6.keep load close to body
Could a 1942 penny made of steel be real it does cling to a magnet?
There are two possibilities: > The coin is a fake. > It's an "off metal" strike. Back then the Mint had contracts to make coins for a number of foreign countries, and sometimes a blank for one of those coins would accidentally get mixed in with blanks for U.S. coins. Either way you'd have to take the coin to an expert who could examine it in person.
What is turned to used to change the type of flame a Bunsen burner produces?
You would turn the collar on a Bunsen Burner so that the holes are exposing the flame to more oxygen to produce a blue flame. Close the holes by turning the collar to turn it back to the yellow (dirty) flame.
Why do you need to ensure that the air hole is closed before you light the bunsen burner?
it's to prevent a strike-back
Why is a strike back dangerous?
The bunsen burner is very hot and you may burn yourself. Wait for it to cool down and then light it again
What must one do when a strike back occurs?
When strike back occurs, the first thing that one must do is backup to avoid getting burned or seriously injured. After it subsides, the person should close the burner and switch off the gas cock.
What causes a strike back flame?
It occurs when you did not fully close the air-hole on lighting up your Bunsen burner. Flames are observed to be green and it also produces a soot. Therefore we should immediately turn off the gas supply as the unburnt gas would fill the air, making the room flammable.
Why is it important that you should tie your hair back when using a Bunsen burner?
It is important to pull your hair back when using a Bunsen burner to prevent it from coming into contact with the open flame and igniting your hair.You are instructed to pull back your hair when using a Bunsen burner to prevent your hair from coming into contact with the open flame and catching your hair aflame.
How will you prevent a burner to strike back?
how will you prevent a burner from striking back
What will happen when the Bunsen burner strikes back?
You have to turn off the gas tap immediately.
What causes strike back in a Bunsen burner?
because of the gravity of the sun
What are safety precautions for a flame test?
stand up so the Bunsen Burner does not fall over tie hair back use a safety mat turn of after use
What are the points to note in using the Bunsen burner?
- Never leave the gas on when the flame is out- never put anything you don't intend to heat- ensure the tube is arranged properly as if it is turning here and there, the gas might just be stucked somewhere and there will not be any fire burning- never touch the collar(the neck) as it is very hot and when it strikes back at the gashole, off the gas immediately.
What safety precautions should be taken for a flame test lab?
You should tie your back if you have long hair, make sure that the bunsen burner is standing up nice and sturdy and turn it off after using.
