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What is the difference in process flow diagram and piping and instrumentation diagram?
p&ids r docs used to desribe symbols,abbreivations prefixes and specialised equipments while pfds r sketches that use symbols to represent instruments/vessels used in process engrn and also shows the direction of flow.
Does Oil refineries use process costing?
Yes. depending on the type of crude that is processed actual output of the different type of product yield in % weght is determined through a material balance or bass balance process. The total cost is then apportioned by the weight of each product yield. The weight is then converted to volume which is used in dividing the apportioned cost to arrive at the unit cost of each type of prouct yield from the refining process.
How ammonia manufactured industrially?
Ammonia is used in the manufacture of such things as : Fertilisers, such as ammonium sulfate, ammonium nitrate, ammonium hydrogen phosphate, and urea. Nitric acid, which is used to manufacture Ammonium nitrate fertiliser. Dyes. Fibres and plastics. Explosives, such as ammonium nitrate, trinitrotoluene (TNT) and nitroglycerine. Cyanides, which are used to manufacture synthetic polymers, such as nylon and acrylics. Extract gold from ore bodies.
Why you use boiler in oil refinery?
Use of water in a refinery is makeup for boiler feed. The chief uses of steam are for stripping, steam distillation, and vacuum distillation. The steam comes in contact with the products in these operations, and generally the steam condensate is so highly contaminated that it cannot be reused for boiler feed or for other purposes. Steam is also used for process heating, for pumping, and, in some refineries, for generating electric power
Whait is process in making LPG cylinder?
Every country has a standard to make this kind of cylinders. For example in my country there is a standard to make this kind of cylinders. And this instructions must to be followed by any factory which want make LPG cylinders. For example this kind of factories , must follows the meassures , welding specifications using special process , the steel used under standard for quality , hardeness , etc. Size of cylinders , shapes , according the use, for example household , automotive , industry ,etc. Any use must have a different design. For example you musn´t use the cylinder desingned for automotive in household and so on. If you want to get more specific information about this , you should go to your local office for standars in your country . So every country has an office for standards which is something like a library where only you can find all standards instructions to make a lot of things.. Eg. Automotive , Mechanical , Chemical , Aircraft ,etc... Regards.
Do dentists use investment casting?
Dentists have utilized the process since 1897
What is gravity die casting?
It is process of making Alu. zinc component die. and material flows in die by Gravity force only no external pressure applied as Pressure Die Casting. Gravity casting is the liquid metal in the Earth's gravity into the casting process, also known as gravity pouring casting. The generalized gravity casting include sand casting, metal casting, investment casting, lost foam casting, clay mold casting; narrow-defined gravity casting refers to the metal casting. uses the force of gravity, to fill a permanent mold, or die, with molten material. It does not use the high-pressure method to form the casting. It will ensure that there will not be any clusters formed during this gravity casting process. The method has advantages like cost effective, good quality, and process control over other casting techniques.
What is used for purification of metal for casting?
The use of a flux to purify metals is a simple, brute force chemical separation hence it helps in the casting process.
What is the meaning of having a chill in medical terms?
The correct medical term for chills is rigors, but most people still use the term chills.
How do you use ghostly in a sentence?
The ghostly house gave me the chills.
Is there a Magic The Gathering card that has imprint and allows you to use the imprinted spell at any time?
Isochron Scepter will do this though it will only work for spells with casting cost 2 or less.
Who can use casting vote in case of a tie?
The congress or the legislative body of the government can use casting vote in case of a tie.
What process allows cells to move into the cell without the use of chemical energy?
passive transport :)
What muscles are involved for casting a fishing rod?
There are numerous casting techniques so this is not one answer for all situations. I am a full time bass tournament angler so I use overhead,sidearm,roll,pitch and flip casting. Pitching and flipping primarily use forearm and wrist muscles. Same for roll casting. Overhand and sidearm casting use muscles from the shoulder(deltoid) to the wrist.
Differences between lost foam casting and lost wax casting?
Lost-wax casting sometimes called by the French name of cire perdue (from the Latin cera perduta) is the process by which a metal (such as silver, gold, brass or bronze) sculpture is cast from an artist's sculpture. Intricate works can be achieved by this method, primarily depending on the carver's skills. In industrial uses, the modern process is called investment casting. An ancient practice, the process today varies from foundry to foundry, but the steps which are usually used in casting small bronze sculptures in a modern bronze foundry are generally quite standardized. Other names for the process include "lost mould," which recognizes that other materials besides wax can be used, including tallow, resin, tar, and textile, and "waste wax process" or "waste mould casting", because the mould is destroyed to unveil the cast item. Other methods of casting include open casting, bivalve mould, and piece mould. Lost-wax casting was widespread in Europe until 18th century, when a piece-mold process came to predominate. Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material. It is relatively cheap and sufficiently refractory even for steel foundry use. A suitable bonding agent (usually clay) is mixed or occurs with the sand. The mixture is moistened with water to develop strength and plasticity of the clay and to make the aggregate suitable for molding. The term "sand casting" can also refer to a casting produced via the sand casting process. Sand castings are produced in specialized factories called foundries. Over 70% of all metal castings are produced via a sand casting process.
What industries use aluminum casting products?
Manufacturing of metal items requires aluminum casting products. They use that to make a cast then use that to make the actual product.
How does metal casting make use of the diff Characteristics of liquid and solids?
Metal casting takes advantage of the differences in characteristics between liquids and solids by using the liquid state of molten metal to shape it into a desired form and then allowing it to solidify to retain that shape. The molten metal can flow into intricate molds to create complex shapes and then harden into a solid metal part. This process allows for the production of various metal components with different sizes, shapes, and properties.
