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Engineering

Engineering is an art and profession devoted to designing, constructing, and operating the structures, machines, and other devices of industry and everyday life.

5,839 Questions

What is steam turbine Turbine Stress Evaluator?

The Turbine Stress Evaluator (TSE) calculates and monitors the operational heat stresses of the turbine during every operational phase. The goal is to achieve continuous optimization between material stresses on the turbine and flexibility in reacting to operational changes.

Objects with gears?

For example an non digital clock, or pencil sharpener.

What question have 42 as answer?

The Answer To Your Questoion Is: What Is The Answer To The Universe? It Was Asked To An ENIAC In Some Old Movie (I Forgot The Title).

What is powder metal compaction?

Powder metal compaction is the pressing of iron and steel alloy powders into the deisred part shape through the use of mechanical or hydraulic presses. The compaction of the powder occurs within a tool set made from tool steels or carbide. The tools are fabricated to form the desired shape of the part. They are heat treated and machined or ground to very close tolerances, allowing the powder to be formed into a near net-shaped part.

The "green" part is then sintered to bond that powder particles into a solid near fully dense steel part. Once the part has been sintered, other operations, such as heat treating, machining and coating, may be performed on the part.

For a full description of the processes used in powder metal compaction see the related links below.

Define the efficiency of a rectifier?

The conversion efficiency n of a rectifier ckt is generally defined as

Na= dc power delivered to the load/ ac power input to the rectifier ckt. Or n = Pdc/Pac

What influence the choice of materials for marine engineering component?

It is important to that we understands the specific usage of a certain material, the conditions on where the materials is likely to fail and how to effect an efficient repair. Bad materials mean accidents, and accidents cost lives as well as a lot of money, or possible loss of ship.

What are the advantages of concurrent engineering?

Manufacturing Personnel are able to identify production capabilities and

capacities .They have thus the opportunity to inform the design group about the

suitability of certain materials on the flipsides the designer would know the

suitability of certain designs in aiding in cost reduction and quality improvement in

production/assembly process.

Early opportunities for design or procurement of critical tooling, some of which

might have long lead times.

early consideration of the Technical Feasibility of a particular design or a portion

of a design. Again this can avoid serious problems during production.

What project helped establish Leonardo's reputation as a creative and talented engineer?

the important painting of the Baptism of the Christ. Leonardo painted the kneeling angel and some of the background for this work.

What is the importance of Studying construction materials?

— It is important to study the various construction materials in built environment because shelter is the basic need of civilised society. Stones, bricks, timber and lime concrete are the traditional materials used for the construction of houses and other buildings. The invention of cement and concrete has prodivided durable buildings. Reinforced concrete which is composite construction of steel and concrete has helped in building large structurer. Steel, aluminium, glass, plastics, glazed tiles, plaster of paris, linoleum, paints and varnishes have improved the quality of buildings. Improved versions of many building materials keep on appearing in the market regularly. A civil engineer has to make use of all these materials judiciously.

—Continuous research and development in construction technology is going on to see that huge investment in building is utilised at the earliest. Civil engineers have to look into the problems of rural areas and urban poor people also. There are 23 million Indians without home. Low cost housing is the need of the day to make poor people afford their own houses.

What is triangulation of structures?

Triangulation

Triangulation is a structure that is used on bridges and they are made up of lots of little triangles.

Triangles are so strong because they have a bigger base then their tops. All of the weight and the force that is pushing down is at the bottom of the triangle. The weights are then added in decreasing weight until the lightest weight is on top. It is the strength of the base that makes triangles very strong. If they were to use squares instead of triangles that structure will collapse because, the force of the bridge will go equally on the 4 sides of the square and the force will push down a side of the square and move it. So it wont be stable.

What is syllabus for section engineer electrical?

net work theory,

electric machines

power electronics

utilization of electrical machines

power system

electromagnetic theory

measurement

When diode is connected to ohmmeter What happens?

A: Depends on meter leads voltage polarity and the diode itself orientation to these polarity. One way is should show a low impedance + to anode Reverse the diode it should be hi impedance

Why did engineering societies develop standards?

Engineering societies develop standards to maintain uniformity across the profession.

What is an engineering problem?

The Mistakes done by engineers during there work which leads to some kind of damage to society is called engineering problem.

How can we calculate the weight of iron plates?

If actually weighing the plates is impractical, you could try hanging the plates from a spring, and testing to find the spring's k value, and recording the displacement of the object while hanging from the spring, and use that to calculate the force on the plate, which equals mg.

if the density is known, you could immerse the plates in something to find their volume and then calculate their weight from that.

or, you could try and pull them with a force meter, taking two data points so that you can solve for the both the friction coefficient and weight.

What is emitter follower?

A: When a signal is not amplified but simply taken from an emitter the reason is that the emitter will provide better current capabilities

What is key lock joint in rtr pipe?

RTR pipe is Reinforced Thermosetting Resin Pipe (RTRP) or fiberglass pipe. A Keylock joint is a restrained joint, nylon rods (keys) slip into groove on the spigot and in the bell of pipe and restrain the pipe from pulling apart. The rods (keys) are removable.

What metal has lowest thermal conductivity?

Mercury, apparently

Bismuth has the lowest thermal condctivity of metals that are solid at room temperature.

When should you act on your own initiative in engineering?

Acting on your own initiative is always a good idea as long as you are not harming a person or outcome. Try to figure out things for yourself and this will make you more successful.