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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 are the vickers hardness values of famous minerals?

Vickers is only used for metals (far as I can tell). As for the values you wish to find, look on Mindat.org

How to design a built up compression member subjected to uniaxial bending in major axis whose ryy greater than rxx?

we always design as per least radius of gyration rxx bcz for minimum capacity will be get in this axis. and design procedure is same as per IS 800:2007

What can be discovered through research of a product's past innovations?

What can be discovered through research of a product’s past innovations?

Define median signal strength?

Median signal strength is a number such that the actual signal is higher than that number 50% of the time
and lower than that number 50% of the time.

What is the difference between particular specification and general specification?

General Specifications

•General specification are written

•General Specification may include:

General site requirement

- Health and safety

- Measures against environmental pollution

- Security measures

Particular Specification

•It contains particular specification.

•Example :

- Strength and other properties of steel

- Strength of concrete

- Specification of bricks

- Specification of electrical items

Etc.

How much does a plane engineer get paid a year?

An airplane engineer gets paid about 2.5 million a year in ne zealand if he has been working for more than 15 years, i get paid about 4.7 million a year, i have been a plane engineer for 27 years now, and i really love it.

Who designed the Yokohama Landmark Tower?

Hugh Stubbins designed the Yokohama Landmark Tower.

In flat rolling what is a screw down and a top roll balancing mechanism?

In a rolling mill, the screw down (usually electrically operated in big mills) is the mechanism for setting up the spacing between the rollers, called the roll gap. The top roll balancing mechanism is a mechanical (rods, springs) or hydraulic setup to hold the top roller up in contact with the screw down. The larger mills we see in operation have massive rollers, and they have considerable weight. The whole of the upper roll mechanism will be set in heavy chocks to to stabilize it and distribute the loads of the rolling operation. Additionally, we often see mills with backup rollers, and the top work roller and backup roller pair will be held in contact with the screw down by the top roll balancing mechanism. There is a bit more to this when we consider the dynamic operation of the biggest rolling mills, but the basics remain the same. The thickness of the product, the "indexing" of the roll gap, will be set by the screw down. And the the top roller is held up against the screw down by the top roll balancing mechanism.

What is the relation between concurrent engineering and DFMA?

'Design For Manufacturability & Assembly 'is the process of proactively designing products to (1) optimize all the manufacturing functions: fabrication, assembly, test, procurement, shipping, delivery, service, & repair, AND (2) assure the best cost, quality, reliability, regulatory compliance, safety, time-to-market, and customer satisfaction'.

Concurrent Engineering is "A systematic approach to the integrated development of a product and its related processes-from conception to disposal-that emphasizes response to customer expectations and embodies team values of cooperation, trust and sharing in such a manner that decision making proceeds with large intervals of parallel working by all life‐cycle perspectives, synchronized by comparatively brief exchanges to produce consensus"

The above definitions are self explanatory on the difference between DFMA & CE.

What are the advantages of the Snowy Mountains Scheme?

The Snowy Mountains Hydro Electric Scheme is a hydroelectricity and irrigation complex in south-east Australia, in the Australian Alps between Victoria and New South Wales. It is considered to be one of the wonders of the engineering world. The Scheme involves sixteen dams, seven power stations, a pumping station and over 225 km of tunnels, pipelines and aqueducts.

The Snowy Mountains Scheme has many advantages. It generates electricity and redistributes water to the Murray River, where it is used for farming and irrigation. The total electricity capability is up to about 3700 MW, which works out to roughly 10% of the needs of New South Wales, though this depends on having enough rainfall and melting snow. The Snowy Mountains Hydro Electric Scheme was built between 1949 and 1975.

Why would it be inappropriate to dimension to a feature on a surface that is not perpendicular to the line of sight?

couple of reasons.... if you are drawing and dimensioning with a Why_would_it_be_innapropriate_to_dimension_to_a_feature_on_a_surface_that_is_not_perpendicular_to_the_line_of_sightprogram the dimension will be inaccurate... If it is mechanical drawing then the fabricator would not have enough information to accurately measure the component. ie a circle turned a few degrees away from perp. would appear to be an ellipse. and may actually dimension that way

What is the torque loading of flange bolts?

It depends on the diameter of the flange, the type of pipe, the materials, the type, size and grade of bolts, type, grade and size of the flange, and the pressure and temperature of the fluid transported in the pipe.

Some pipe flanges require very little torque on their bolts while others need as much as 500 foot-pounds of torque, or more. The design and application will determine the required torque.

Why oxygen can not be liquefied at room temperature?

because both reduced temperature and reduced pressure are necessary for liquification of any gas...at room temp if you achieve the corresponding reduced pressure even then the reduced temperature condition is not fulfilled.....so it can not be liquified...univristy of engineering and technology Lahore

Why does my automatic warehouse door go up but does not come back down?

Check for the mechanical. On the wiring site, it has different cables for up and for down, but same hardware (just switch the phase, then motor got different rotation). So if mechanical is okay, check the cables wiring

Where in drawing a center line is used?

In a drawing, a centre line is used to show the centre of a part.

What are the advantages of dimensionless group?

  • maximum information using minimum experiments
  • more information from minimum plots
  • help in modeling
  • negatively used in reverse engineering
  • other specified benefits for each type of study

How much pressure is created by the blast in diesel engine?

iT IS THE CONTUMELIOUS OF THE IMPACT OF THE SPEED HYPERLINK(E=mc2) In the compact evaluational reason of the hole thing

What type of engineer would spend most of the day engaged in physical activity?

This is a very broad question. A mechanical engineer could spend most of his day cranking wrenches. If you want to work outside I say civil is best. It all depends on what you do. All engineering types probably have jobs where people engage in physical activity. As an engineering student I sugest you find a better way to choose your dicipline.