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Manufacturing

Manufacturing is the use of tools, machines and labor to produce goods for sale or use. It may refer to various human activities ranging from handicraft to high tech, but is most commonly applied to industrial production where raw materials are transformed into finished goods.

8,256 Questions

What raw materials are used to produce hydrogen?

Hydrogen can be produced from a variety of raw materials, commonly water (through electrolysis), natural gas (steam methane reforming), and biomass (biological processes like gasification or fermentation). Other methods include using coal or even capturing hydrogen from industrial processes like ammonia production.

Use of knowledge to make products?

Knowledge is utilized to make products through research, design, and development processes. This involves understanding consumer needs, applying scientific principles, and leveraging technological advancements to create innovative and functional goods. By employing expertise in various fields, products are tailored to meet specific requirements and deliver value to users.

Which materials are used in the manufacturing of standard resistors and heating materials?

Standard resistors are typically made of ceramic or metal film materials such as carbon film or metal oxide. Heating materials can be made from various materials like nichrome (nickel-chromium alloy), Kanthal (iron-chromium-aluminum alloy), or tungsten, which offer high resistance and heat tolerance.

Which of the two metals are mixed in manufacturing of stainless steel?

Iron and chromium are the two main metals mixed in the manufacturing of stainless steel. Other metals such as nickel, manganese, and molybdenum may also be added in varying quantities to achieve specific properties in the final product.

What branch would manufacturing nylon which contains carbon be in?

The branch that would typically handle manufacturing nylon containing carbon is the chemical engineering branch, specifically within materials science. This field focuses on the design and production of materials with specific properties, such as strength and flexibility, which is relevant in the production of nylon with carbon additives.

What organelles are involved in manufacturing substances needed by cells?

The endoplasmic reticulum (ER), Golgi apparatus, and ribosomes are involved in manufacturing substances needed by cells. The ER synthesizes proteins and lipids, ribosomes are involved in protein synthesis, and the Golgi apparatus processes, packages, and distributes these substances to their final destinations in the cell.

Is it possible to turn carbon steel blue?

Yes, carbon steel can be turned blue through a process called heat bluing. This involves heating the steel to a specific temperature range to create an oxide layer that gives it a blue color. The level of heat and timing are crucial to achieve the desired color.

What metal is added to stop stainless steel rusting?

The most rust resistant stainless steels contain nickel and chromium in addition to iron.

Are cotton plants prickly?

Very prickly and sharp. Where the saying cotton eyed Joe camp from. Cotton poked him in the eye and made him blind

Is rubber tree deciduous?

Rubber trees are not deciduous; they are evergreen trees. They keep their leaves throughout the year and do not shed them in the fall like deciduous trees.

What is the white clay used in manufacturing paper?

The white clay used in manufacturing paper is called kaolin clay. It is added to paper to improve its brightness, smoothness, and opacity. Kaolin clay also helps to control the ink absorption and improve the overall print quality of the paper.

What are the problems with processing and manufacturing chemicals?

Some problems with processing and manufacturing chemicals include environmental pollution from waste disposal, health risks to workers from exposure to hazardous substances, and potential chemical spills or accidents that can harm people and ecosystems. It is also important to ensure proper handling and storage of chemicals to prevent accidents and contamination.

Do you make plastic or mine it?

Plastics by definition are synthetic polymers, so we must make them. However the ingredients used to make many of them come from petroleum, which is mined by drilling. However many newer plastics are made from ingredients produced by plants, which can be grown as crops on farms.

Before modern plastics man used many natural polymers for similar purposes to those which we use modern plastics for today. A few are:

  • casein plastic, made from milk proteins
  • rubber, sap of the rubber tree
  • amber, transparent fossilized pine tree sap
  • tar, a product of destructive distillation of wood, coal, etc.
  • asphalt, present in petroleum, first found in natural oil seeps
  • shellac, a resin produced by certain insects
  • etc.

What is the purpose of using brine in soap manufacturing?

Brine is used in soap manufacturing as a salt solution that helps improve the hardness and quality of the soap bars. It also helps accelerate the saponification process, leading to faster soap production. Additionally, brine can enhance lather and cleansing properties of the soap.

Is it bad to put a carbonated drink in a stainless steel container?

It is not recommended to put a carbonated drink in a stainless steel container for an extended period of time as the pressure from the carbonation could build up and potentially cause the container to leak or release the pressure suddenly when opened, leading to spillage. It is better to use containers designed for carbonated drinks with pressure release valves to avoid this issue.

Does the rubber tree make a good house plant?

Yes, rubber trees are popular houseplants as they are easy to care for and can thrive in indoor conditions. They require bright, indirect light and regular watering, allowing them to grow into a striking and attractive addition to any indoor space.

Which natural resources are ingredients used in manufacturing glass bottles?

Sand, soda ash, limestone, and cullet (recycled glass) are the primary natural resources used in manufacturing glass bottles. Sand is the main ingredient, providing silica for the glass structure, while soda ash and limestone are added to lower the melting point of the mixture. Cullet is often used to supplement raw materials, reducing energy consumption and environmental impact.

How much aluminum is there in aluminum panel?

Aluminium panels are made in various types: They can be "All-Aluminium" (meaning the panel could simply be an aluminum slab or a sheet of large thickness) or they could be composite panels where aluminum sheets are combined with other materials such as plastics, mineral fibers, or hard foam.

Technically speaking, most aluminum sheets that are used in making panels are actually aluminum alloys (which means that some other metals in very small amounts have been added to the aluminum in order to strengthen it and allow it to acquire important properties). Different alloys have different aluminum content.

To calculate how much aluminum is present in a panel, you would first need to identify your Alloy, and then have 3 pieces of information:

1. The Density of your aluminum alloy.

2. The Thickness of your aluminum panel.

3. The Surface Area of your aluminum panel.

For example, take a 1m2 panel of aluminum of alloy AA3003 and a thickness of 1.0mm. To calculate the amount of aluminum (by weight) in that panel, we use the above 3 pieces of information as follows:

Weight of Aluminium = Density x (Thickness x Length x Width)

Tip: Make sure that the units of measurement all match.

(e.g. If you use "Kg." for Weight, then make sure you convert "millimeters-mm" to "meters-m" before applying the formula).

Material used for making dies for pressure die casting of aluminium alloys?

H13 steel is commonly used for making dies for pressure die casting of aluminum alloys due to its high strength, excellent thermal conductivity, and wear resistance properties. It can withstand the high temperatures and pressures involved in the die casting process, resulting in durable and high-quality finished products.

What are the materials used in the manufacture of ldr?

Light-dependent resistors (LDRs) are typically made using semiconductor materials such as cadmium sulfide (CdS) or lead sulfide (PbS). These materials exhibit changes in resistance based on the intensity of light they are exposed to, making them ideal for light sensing applications. LDRs are commonly used in electronic devices to control the amount of light reaching a sensor or to trigger certain actions based on light levels.

Where does lead for a pencil come from?

Lead has never been used in pencils. The 'lead' in pencils is graphite, a form of carbon, mixed with clay.

Modern pencils are the descendants of ancient writing instruments. In ancient Rome, scribes wrote on papyrus (an early form of paper) with a thin metal rod called a stylus, which left a light but readable mark. The ones made of lead worked best.

When pieces of rock from a mineral deposit in England were found to be good for marking sheep, the people presumed it was a lead deposit. Then the pieces were made into the first pencils. Chemists said the deposit was actually graphite, a form of carbon, but 'lead pencils' were so popular that the name is still used to this day.

How many companies are ISO 9001 certified in Kenya?

As of 2021, there are over 300 companies in Kenya that are ISO 9001 certified. The number may vary as new companies seek certification and existing certifications expire.

What is the difference between Japanese AUS 8A Stainless and 440 stainless steel?

AUS 8A is a Japanese stainless steel known for its corrosion resistance and toughness, while 440 stainless steel is a high-carbon stainless steel often used in knife blades due to its hardness and wear resistance. AUS 8A is easier to sharpen but may not hold an edge as well as 440 stainless steel.

Are lead pencils good?

Lead pencils are good for everyday writing and drawing tasks due to their versatility and ease of use. They can produce dark or light lines depending on the pressure applied, and mistakes can be easily erased with an eraser. However, they may not be ideal for precision work or long-lasting artwork, as the graphite can smudge and fade over time.

What is sal soda used for?

Sal soda, also known as sodium carbonate, is commonly used as a cleaning agent due to its ability to cut through grease and grime. It can be found in household cleaners, laundry detergents, and even as a water softener. Additionally, it is sometimes used in cooking and baking as a leavening agent.