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Industrial Engineering

Industrial Engineering is the branch of engineering that deals with the creation and management of systems that integrate people and materials and energy in productive ways. An industrial engineer studies industrial productivity and makes and implements recommended changes.

2,298 Questions

How do you set and adjust tools such as squares and protractors?

· Engineer`s squares require no adjustment because they are fixed, however, they must be checked regularly for squareness

· Vernier height gauges, vernier callipers, vernier protractors and combination squares slide back and forth to the requires height/width/depth/angle and then a thumb screw is used to lock them into position

· Dividers are spring loaded, and can be set using a steel rule to ensure accuracy

What is the difference between carbon steel and mild steel?

Carbon steel includes mild steel. Mild carbon steel(as it is referred to) contains .05 - .29% carbon. Medium carbon steel is from .30 - .59%. High carbon steel is from .60 - .99%. Ultra high carbon steel is from 1.00 - 2.00%. Steel is considered carbon steel up to 2.1%. Past that it is considered cast iron. The more carbon in the steel the harder and less ductile and maleable it is and also the more brittle it is. The less carbon in the steel more it will bend and shape without breaking. So in essence carbon adds strength but takes away from its elasticity.

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How do you clean used inert alumina balls used in petrochem industry?

Used inert alumina balls can be cleaned by soaking them in a mixture of warm water and a mild cleaning agent, such as dish soap. After soaking, scrub the balls gently with a soft brush to remove any dirt or residue. Rinse the balls thoroughly with clean water and allow them to dry completely before reuse.

What would a vacuole be in a factory?

A vacuole in a factory could be compared to storage tanks or silos used to store raw materials, products in process, or finished goods. It serves as a temporary storage space to maintain a continuous flow of materials in the production process.

What would the vacuole be in a factory?

In a factory, the vacuole could be likened to storage tanks or silos that hold raw materials, finished products, or waste materials. The vacuole in a plant cell primarily stores water, nutrients, and waste, similar to how tanks or silos store materials in a factory.

What is a baals wind tunnel?

"Baals wind tunnel" likely refers to a wind tunnel named after renowned aerodynamicist Ludwig Prandtl. Prandtl's work on wind tunnels in the early 20th century was foundational in understanding aerodynamics, and his name is often associated with wind tunnel research and design.

What are the 2 liquids that are tapped off from a blast furnace?

The two liquids tapped off from a blast furnace are molten iron and slag. Molten iron is the main product, while slag is a byproduct that is formed from impurities in the ore.

Why do you step up and then step down electricity from a power station?

With transformers.

To answer "Why": It is more efficient to use high voltage over long distances, so the voltage is normally stepped up to standardized potentials for the journey. When it gets to your home it is stepped down to the proper potential for standardized household appliances.

What would be a substitute for petamo ghy 133n?

A suitable substitute for Petamo Ghy 133N could be another comparable gear oil that meets the same specifications and requirements for your specific application. It is recommended to consult with a lubricant specialist or refer to the equipment manufacturer's guidelines to select an appropriate alternative product.

What is the difference between technical grade and commercial grade chemicals?

  • Technical grade chemicals are less pure than reagent grade chemicals, and are usually used in applications where there are no official standards for impurity levels.
  • Commercial grade chemicals are prepared in volume for general industrial use. Purity levels vary but they're often comparable in purity to technical grade chemicals.

How does the structure of a thermoplastic differ from a thermosetting plastic?

  • Once 'set' these plastics cannot be reheated to soften, shape and mould.

  • Thermosetting Plastics are made up of lines of molecules which are heavily cross linked. It creates a rigid molecular structure.

  • They may be heated the first time and shaped but they become permanently stiff and solid.

  • Unlike thermoplastics, they retain their strength and shape even when heated.

How burden calculated in blast furnace?

The burden in a blast furnace refers to the materials added to the furnace for the iron-making process. The burden typically includes iron ore, coke, and limestone. The burden calculation takes into account the proper proportions of these materials to achieve efficient iron production and maintain the desired chemical and physical balance within the furnace. Various factors, such as the quality of the materials and the operating conditions, influence the burden calculation in a blast furnace.

What is specfic weight of granulated slag with water from blast furnace?

TYPICAL CHEMICAL COMPOSITIONTYPICAL PHYSICAL PROPERTIESCalcium oxide40%Colouroff-whiteSilica35%Specific gravity2.9Alumina13%Bulk density1200 kg/m3Magnesia8%Fineness>350m2/kg

Does iron ore slag sink to the bottom of the blast furnace?

Slag is the waste which is skimmed off the top of the molten iron that comes out of the blast furnace. It is a mixture of calcium and magnesium compounds, plus other impurities such as iron oxide, but is mainly calcium silicate. The formula for calcium silicate is CaSiO3.

What kind of fire bricks are used for molten blast furnace slag?

High alumina fire bricks are commonly used in applications involving molten blast furnace slag due to their high refractoriness and resistance to thermal shock. These bricks are able to withstand the high temperatures and harsh conditions of the slag without deforming or deteriorating quickly.

Is polystyrene thermosetting or thermoplastic?

Polystyrene is a thermoplastic, which means it softens when heated and can be molded into different shapes but retains its solid structure after cooling.

What is the differences between charges and expenses?

Charges are typically one-time fees or costs associated with a specific transaction or service, while expenses are ongoing costs incurred to operate a business. Charges can be variable and impact specific transactions, while expenses are usually fixed or recurring costs necessary for day-to-day operations.

The middle region of the blast furnace called?

The middle region of the blast furnace is called the bosh. It is where most of the chemical reactions, such as the reduction of iron ore and the formation of slag, take place. The bosh is a critical part of the furnace for producing molten iron efficiently.

How does one neutralize methane in a lift station?

It all depends on what you mean by neutralize. Methane is a gas given off when organic material decays with little of no oxygen present. It is an odorless flamable gas. Usually there are other gases formed at the same time (such as hydrogen sulfide) that has a bad smell. There is not much that can be done about it except vent it to the atomosphere to prevent explosions. In large treatment plants, it is collected and burned as a fuel but this is not practical in a lift station.

Anaerobic decay can be stopped by adding an oxidident such as chlorine. This kills the bacteria and stops decay until the chlorine combines into stable compounds. Then the decay will resume.

One way to prevent or minimize methane in the design process, is to dispatch the wastewater as quickly as possible. The longer it sits, in the tank, the more the decay and the more methane is produced. This can be accomplished by pumping more often. States usually regulate the storage and pumping requirements which may interfere with a good solution. They are less concerned with odor than they are making the station big enough to handle large periodic loads... which may increase the time the wastwater sits during times of low flows.

One simple improvement might be to pump the tank down at night (when the flow drops off) whether it has reached the "pumps on " level or not.. so it doesn't sit all night while the population is sleeping.

1.8N equals to how many kPa?

Depends on the surface it is applied: N is a unit of mass, kPa a unit of pressure. Divide 1.8 by the surface in square m, then by 1000 and you'll obtain the pressure you need in kPa.

Why does the glucose molecule have to be broken down step by step?

The glucose molecule needs to be broken down step by step through processes like glycolysis to extract energy in a controlled manner, which can be efficiently stored and used by the cell. This gradual breakdown ensures that the maximum amount of energy is captured and converted into a form that the cell can easily utilize. Additionally, step-by-step breakdown helps regulate the release of this energy to prevent wasteful loss or damage to the cell.

What do you call the type of engineer that designs bridges?

civil engineers, structural engineers, and architects are the main bridge builders.

What is the length in feet of a wave whose frequency is 268 Hz?

The length of the wave can be calculated using the formula: speed = frequency x wavelength. The speed of a wave in air is approximately 343 meters per second. Converting 343 m/s to feet/s, we get approximately 1125 ft/s. Using the formula speed = frequency x wavelength, we can solve for wavelength: wavelength = speed / frequency. Therefore, the wavelength of a wave with a frequency of 268 Hz is approximately 4.2 feet.

What is waterproof cement?

Waterproof cement is a type of cement that is formulated to resist water penetration and moisture ingress. It is commonly used in projects where water resistance is important, such as basements, swimming pools, and other water-retaining structures. Waterproof cement typically contains additives that enhance its resistance to water and help prevent water damage.