Measure the weight of the full cylinder and note down as m1
Note down the tare weight of the cylinder marked on the cylinder and note down t1
the m1 - t1 = M the weight of gas in Kilograms
multiply the wt of gas in Kgs with 0.9403 ie. M x 0.9403 gives the total cubic meter of acetylene gas in cylinders
Note: One gram of Acetyle gas measures 0.9403 litres at 27 degree centigrade and 760 mm of Mercury pressure.
Hydraulic cylinders can be tested dynamically by connecting the test cylinder with a master cylinder mounted within a rigid frame structure. Usually the test cylinder is operated with a hydraulic power source and the master cylinder is loaded with relief and check valves connected to the ports. Such back to back test loads the total cylinder components including the Rod, tube, Gland ,seals ,mounting parts etc and can reveal many parameters which cannot be seen in the conventional end to end load test. Similar set up can be also used for life cycle test extending to millions of full load cycles.
3 - 4 per cylinder.
because in single cylinder if we inoperate one spard plug there no output which we can get but whereras in multi-cylinder even if we close one connection the others will do the work
same as with a gasoline engine the maximum power and torque are noted, then the plug of each cylinder is removed one at a time and the power drop is noted to determine the contribution of each cylinder at the same rpm over the board
Marshall stability test is a three phase exam designed to determine the strength of an asphalt cylinder. At the first step, a 1kg asphalt premix is made into 10cm diameter cylinder using a hammer compactor. Usually three cylinders are made. The hammer hits the cylinders 50 or 75 times (depending on the type of the road, e.g. highway, parking, etc) on each side, from a set height. Then, the cylinder is weighted in water and air, then kept in 60C water for 30 minutes. At the third step the cylinders are broken to see at under what weight they give out. The number is multiplied by the correlation factor, derived from the data gathered in step 2. This test is used only to check the strength of asphalt cylinder cores, and not to determine other asphalt properties like friction or rejuvenation of thin coatings.
Whatever amount of pressure was used to compress the CO2 originally, can be reached (or nearly reached) when it is released into an air cylinder.
Use BTB
Normally it is done by weight. The empty cylinder weight is known and the weight with CO2 is taken and the CO2 weight is found.
CO2 extinguisher have a max test pressure of 20,700 kPa. Max design operating pressure of 18,570 kPa. The min burst pressure of a cylinder must be at least 2.7 times the max operating pressure. So the burst pressure of a CO2 fire extinguisher will be at least 50,139 kPa
It depends on the model, but most only need one.
The amount of CO2 in a SodaStream bottle varies depending on the carbonation level desired. Typically, a standard SodaStream CO2 cylinder can carbonate up to 60 liters of water, infusing it with approximately 0.5 to 0.9 grams of CO2 per liter, depending on the user's preference for fizziness. In terms of total CO2 volume, this equates to around 30 to 54 grams of CO2 per cylinder.
According to the manufacturers instructions.
u can't
Another test for CO2 gas is the lime water test. When carbon dioxide gas is bubbled through lime water, it will turn milky due to the formation of calcium carbonate.
Lime Water, if CO2 is present, then it should turn milky white :D xxx
Indefinite. Usually they are tested & certified annually.
You should replace the CO2 cylinder of an inflatable PFD when it has been used to inflate the device, if the cylinder shows signs of corrosion or damage, or if the expiration date indicated on the cylinder has passed. Regularly inspect the cylinder and ensure it is properly installed and securely tightened. Additionally, it's advisable to check the PFD's manual for specific manufacturer recommendations on maintenance and replacement intervals.