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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 the flow rate of water from a street fed mains tap on a 15mm pipe?

Considering the pressure is 17,000 BAR then its 4,521,906 Liter per nano second

Uart in modem?

UART stands for Universal Asynchronous Receiver Transmitter.

UART (Universal asynchronous receiver / transmitter) is responsible for performing the main task in serial communications with computers. This device changes incoming parallel information to serial data which can be sent to communication line. UART is capable of encapsulating a byte that might be 5, 6, 7 or 8 bits wide in start and stop bits. Moreover it can attach an extra parity bit with the data for error detection. The width of stop bits may also vary. UART performs all the tasks, timing, parity checking, etc. needed for the communication.

What are as-builts?

I WILL ASSUME YOU ARE REFERRING TO CONSTRUCTION DRAWINGS... BASIC FLOW OF DRAWING PREPARATION ON CONSTRUCTION: 1. CONCEPTUAL DRAWINGS 2. DESIGN DRAWINGS 3. DETAIL DRAWINGS OR SHOP DRAWINGS OR CONSTRUCTION DRAWINGS 4. COORDINATION DRAWINGS 5. AS-BUILT DRAWINGS - USUALLY DIFFERENT FROM PREVIOULY PRODUCED DRAWINGS BASED ON ACTUAL SITE CONDITIONS DUE TO SEVERAL ENGINEERING FIELDS COORDINATION AND CONSIDERATIONS AND CONSIDERING ARCHITECTURAL FAMOUS AND NEVER ENDING TERM "AESTHETIC" AND "SYMMETRY". OTHERS ARE EQUIPMENT LAYOUT ISSUES AND CLIENT OR CLIENT REPRESENTATIVE MODIFICATIONS WHILE ON THE PEAK OF CONSTRUCTION -- VERY VERY NORMAL. UNSEEN INFLUENCE OF SUPPLIERS: DESIGNERS(?) USUALLY RELY ON WHAT THE SUPPLIER SUGGESTS -- THIS ONE AND THAT ONE IS BETTER THAN THE CONTRACT SPECS --- THIS ONE IS GOOD FOR YOU AND GOOD FOR ME... AT THE END OF THE DAY THE DESIGNER CAN BE CALLED --- COPY & PASTE ENGINEER AND CLAIM THAT IT IS HIS IDEA AND CONFIDENTLY SIGN THE PLAN.

What is vibrofloatation?

it is the process of densifying granular soils. especially soils with silt content upto 20%

What is the Transformer Breather?

A transformer breather is an acessory of an oil filled type transformer which is attached into the oil conservator tank; this serves as the breathing point of the unit, that when the insulating oil of the transformer gets heated up, it expands and goes back to the conservator tank and subsequently pushes the dry air out of the conservator tank through the breather which is filled with silica gel, when the oil cools down, it retracts and sucks fresh air from the athmosphere through the breather and from this point, the silica gel dries up the air that goes back in to the conservator tank.

for a better understanding have a look at the following pic:

http://www.csanyigroup.com/wp-content/uploads/posts/transformer-oil-diagnostics/img-1.jpg

How much did the Grand Coulee Dam cost?

The eventual cost of the Grand Coulee Dam was about 300 million dollars. It still remains the largest concrete structure ever built.

What are the classifications of masters degrees?

Masters of science and master of arts degrees are academically focused programs. Masters offer students specialized training in areas such as business, teaching, health or communications or art.

What cause stress?

Madeness! it usually tends to become the things that annoy you most and make you become less of your self

What is making capacity of a circuit breaker?

Hard to define... A four year old child has the strength to physically "make" a typical household circuit breaker, while a teen would be able to "make" a typical industrial circuit breaker. (The latter breaker being physically much larger than the former.) Circuit breakers have their "breaking capacity" rated in AMPS. A typical household breaker is rated at 20, 30 or 50 Amps. Industrial breakers might be rated at 500 amps or a thousand or even more. Hope this helps but if it didn't answer your question, please rephrase it and ask again.

What are condition in which dndt protection act during steam turbine rolling?

dn/dt acts: 1)gcb open. 2)Turbine speed reference is less than 2800. 3)TSE margine less than 30k. 4)Actual speed is lees than 2800 5)ip valve passing during rolling

What are the disadvantages of circular linked list over linear linked list?

This is not much of an answer but maybe helps to get started:

First, the assumption is that the question is indeed about circular vs linear lists, as opposed to uni-directional vs bi-directional lists.

A linear list is one that holds no valid, but in fact a designated invalid, value for the reference to the last item's successor, and the first item's predecessor. The name for this invalid reference value is subject to the implementation language, typically NULL, nil or nul.

A circular list only uses valid reference values. Two forms of rings exist: the closed ring and the sentinel ring.

The closed is one where the last item's successor references the first item, and the first item's predecessor refererences the last item.

A characteristic feature of closed rings is that the algorithm cannot normally stop iterating on an "end reached" criterion. There will be different criteria, subject to the algorithm. A closed ring can never be empty, but it can go in and out of existence.

A sentinel ring is one that contains one artificial element, the sentinel. This item acts as the anchor, as the last item's successor, and the first item's predecessor. A sentinel ring has the a well-defined start and stop (whenever iteration reaches the sentinel). The sentinel is an empty ring's only element. The reliable existence of the sentinel rids the ring of any invalid references; a useful aspect in the design of robust software.

I argue that there is no superiority of one of these data structures over the over in the general case. All have their place; superiority or inferiority of a data structure must always be rated in context with the algorithm and data in mind.

What are grills?

A grill is a device used for cooking food, where the heat is present underneath whatever is being cooked. Grill is also a word for the metal grate on the front of a car.

What are the disadvantages of RoundRobin Scheduling?

Pure round robin scheduling processes A, then B, then C, then starts at A again. (A, B, C might be tasks in an operating system context, or devices in a master/slave control network, or whatever.) That is, pure round robin scheduling doesn't acknowledge priorities, and does not allow out-of-order processing. Real-life systems typically use a mixture of algorithms that, together, allow for prioritized and out-of-order processing while, on the other hand, trying to prevent starvation of lower priority items.

The function of a gas turbine compressor?

The compressor on a gas turbine and other jet engine types takes the air around us at normal pressures, and compresses it to much higher pressures and temperatures. Like the compression stroke on a internal combustion engine, the incoming air needs to be at extreeme pressures for the engine to be efficient.

Why are pipes mostly cylindrical in shape?

The cylindrical shape of the pipe makes it very strong, and useful for many things other than transporting liquids.

Also, you cannot THREAD square pipes.

How fast is hyper speed?

Answer Mach 12 Supersonic Speed usually refers to speed just above Mach 1, or as high as Mach 3. Hyper-speed is a higher range but there is no set definition.

Anthony van leewenhoeks childhood?

Antonie van Leeuwenhoek was born in Delft, Holland, on October 24, 1632. His father died when he was 5 years old. While his mother came from a rich brewer family. Little is known of his early life; he attended school near Leyden for a short time before being sent to live in Benthuizen with his uncle, an attorney and town clerk. He became an apprentice at a linen-draper's shop in Amsterdam at the age of 16.

What are the advantages of being a site engineer?

1. DAY TO DAY ACTIVITY INCLUDES - (MBWA)-MANAGEMENT BY WALKING AROUND 2. YOU WILL KNOW THE BIG DIFFERENCE OF DESIGN DRAWING AND ACTUAL IMPLEMENTATION. SHOP DRAWINGS ARE ONLY FOR THE SATISFACTION OF THE CONSULTANTS EYE AND AS PROJECT REQUIREMENT NOT FOR YOUR MEN WHO WILL DO THE ACTUAL WORK OR INSTALLATION. YOU WILL PRODUCE NEW AND UNOFFICIAL DRAWING FOR SITE IMPLEMENTATION PURPOSE ONLY AND CORRECTLY ACCORDING YOUR MENS NON-TECHNICAL LANGUAGE. 3. YOU CAN USE YOUR BASKETBALL SKILLS AT WORK - PASSING THE BALL EITHER TO YOUR FOREMAN OR MANAGER. 4. THE MEANING OF COORDINATION MEEETING - ACTUALLY MEANS DELAY ON YOUR PART 5. YOU CAN BLAME MATERIAL PROCUREMENT WHY YOU CANNOT MEET PRIMAVERA EXPECTATIONS. 6. YOU WILL KNOW THAT POLITICS IS PART OF ENGINEERING SKILLS AND BECOME A DIPLOMAT. 7. WHEN YOUR BOSS IS ANGRY WITH YOU -- YOU CAN RELEASE YOUR ANGER TO YOUR MEN. 8. YOU WILL LEARN FROM YOUR FOREMAN, ETC.

According to a recent study the more time people use the Internet the less time they spend with real human beings Should we worry about the effect this is having on social interaction or should we s?

We should definitely work about how much time people are having on spending the internet as compared to spending time with real humans. It is very important to have real communication with others, as compared to always only talking with them on a computer.

What is a red out?

Red out is an expression for the effect of excessive negative gravity.

Caused by "excess" blood in the head ... actually the failure of blood to flow out of the head.

Chief cause is outside loops in aircraft.

What is a non projective drawing?

A non projective drawing is a form of objective drawing. Projective drawings reveal the underlying personal structure of an individual.

What is the meaning of Instrumentation in Engineering term?

The meaning of instrumentation in engineering is the focus of operation and principle of measuring instruments used in configuration and design of automated systems. Those that are specialized in this field would work for industries such as manufacturing or chemical plants.